MCQs


1. In which year the term 'Sustainable Development' came into existence?

  1. 1987 A.D.

  2. 1980 A.D.

  3. 1978 A.D.

  4. 1992 A.D.

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Answer: 1. 1987 A.D.

Explanation:

  • The term "Sustainable Development" was first popularized in the 1987 Brundtland Commission Report titled "Our Common Future."

  • The Brundtland Commission, formally known as the World Commission on Environment and Development (WCED), published this report in 1987.

  • The report provided the most widely accepted definition of sustainable development: "development that meets the needs of the present without compromising the ability of future generations to meet their own needs."


2. Which famous report on sustainable development was titled 'Our Common Future'?

  1. Brundtland Commission

  2. J. Doberman's Report

  3. E.O. Wilson's Report

  4. Barbara Ward Report

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Answer: 1. Brundtland Commission

Explanation:

  • "Our Common Future" is the title of the report published by the Brundtland Commission in 1987.

  • The commission was chaired by Gro Harlem Brundtland, former Prime Minister of Norway.

  • This report is also known as the Brundtland Report and is considered a landmark document in the field of sustainable development.


3. When was Sustainable Development policy introduced in Nepal?

  1. 7th five year plan

  2. 9th five year plan

  3. 14th five year plan

  4. 8th five year plan

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Answer: 4. 8th five year plan

Explanation:

  • Nepal formally introduced sustainable development policy in its Eighth Five Year Plan (1992-1997).

  • This plan incorporated sustainable development principles following Nepal's participation in the 1992 Earth Summit in Rio de Janeiro.

  • The Eighth Plan emphasized environmental conservation alongside economic development.


4. What is/are core element(s) of Sustainable Development?

  1. Economic growth

  2. Social inclusion

  3. Environmental protection

  4. All of above

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Answer: 4. All of above

Explanation:

  • Sustainable development has three core interconnected elements:

    • Economic growth: Creating economic value and prosperity

    • Social inclusion: Ensuring social equity and justice

    • Environmental protection: Conserving natural resources and ecosystems

  • These three pillars are often referred to as the "triple bottom line" of sustainable development.


5. How many Sustainable Development Goals have been set by the United Nations Sustainable Development Summit - 2015?

  1. 11

  2. 15

  3. 17

  4. 20

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Answer: 3. 17

Explanation:

  • The United Nations Sustainable Development Summit in September 2015 adopted the 2030 Agenda for Sustainable Development.

  • This agenda includes 17 Sustainable Development Goals (SDGs) with 169 associated targets.

  • The SDGs succeeded the Millennium Development Goals (MDGs) and cover a broader range of development issues.


6. The millennium Development Goals (MDGs) Includes -

  1. Target of poverty reduction

  2. Target for reducing child mortality

  3. Target for promoting gender equality

  4. All of the above

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Answer: 4. All of the above

Explanation:

  • The Millennium Development Goals (MDGs) were eight international development goals established in 2000.

  • They included:

    • Eradicating extreme poverty and hunger

    • Reducing child mortality

    • Promoting gender equality and empowering women

    • And five other goals related to health, education, and environmental sustainability

  • All the options listed are indeed part of the MDGs.


7. The Millennium Development Goals (MDGs) does not includes -

  1. Target of poverty reduction

  2. Clean water & sanitation

  3. Target for promoting gender equality

  4. All of the above

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Answer: 2. Clean water & sanitation

Explanation:

  • While the MDGs did include ensuring environmental sustainability (Goal 7), which encompassed water and sanitation, it was not specifically framed as "clean water & sanitation" as a standalone goal.

  • The SDGs (successors to MDGs) have a dedicated goal for clean water and sanitation (SDG 6).

  • The phrasing in the question is tricky, but among the options, clean water and sanitation is the least directly stated in the original MDG framework.

Clarification: Actually, based on standard MDG lists, all three are included. The correct answer should be examined carefully. The MDGs did include water and sanitation under Goal 7: Ensure environmental sustainability. So technically, all are included. But the question asks what is NOT included, and among these, all ARE included, so the answer should be "none" but that's not an option. Let me check the answer key...

Looking at the answer key provided (c) for question 7, I see there's an inconsistency. Let me provide the correct analysis:

The MDGs included:

  1. Eradicate extreme poverty and hunger

  2. Achieve universal primary education

  3. Promote gender equality and empower women

  4. Reduce child mortality

  5. Improve maternal health

  6. Combat HIV/AIDS, malaria and other diseases

  7. Ensure environmental sustainability (which includes water and sanitation)

  8. Develop a global partnership for development

Therefore, all options are actually included in MDGs.


8. Who was first coined the term "Sustainable Development"?

  1. Harlem Bruntland

  2. Barbara Ward

  3. Wally Broecker

  4. Wangari Maathai

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Answer: 2. Barbara Ward

Explanation:

  • Barbara Ward, a British economist, is credited with first using the term "sustainable development" in the 1970s.

  • She used the term in her writings about international development and environmental issues.

  • The term was later popularized by the Brundtland Commission in 1987.


9. Which statement depicts the best definition of sustainable development?

  1. It means optimal utilization of natural resources.

  2. Sustainable use of natural resources without considering the need of the future generation

  3. Present generation fulfills its needs while considers the needs of the future generation as well

  4. None of these

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Answer: 3. Present generation fulfills its needs while considers the needs of the future generation as well

Explanation:

  • This is essentially the Brundtland Commission definition: "development that meets the needs of the present without compromising the ability of future generations to meet their own needs."

  • The first option only mentions optimal resource use without considering equity or future needs.

  • The second option explicitly excludes consideration of future generations, which contradicts the core principle of sustainability.


10. The 2030 Agenda for Sustainable Development Goals acknowledge that all governments must Promote action in

  1. People, Planet, Prosperity, Peace and Partnership

  2. People, Planet, Prosperity and Peace

  3. People, Planet, Wealth and Peace

  4. People, Environment, Prosperity, Peace and Foresight

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Answer: 1. People, Planet, Prosperity, Peace and Partnership

Explanation:

  • The 2030 Agenda is built around the "5 Ps":

    • People: Ending poverty and hunger

    • Planet: Protecting the Earth's natural resources

    • Prosperity: Ensuring prosperous and fulfilling lives

    • Peace: Fostering peaceful, just and inclusive societies

    • Partnership: Implementing the agenda through global partnership

  • These five pillars provide the framework for the 17 SDGs.


  1. Climate action

  2. Life below water

  3. Zero hunger

  4. Life on land

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Answer: 2. Life below water

Explanation:

  • SDG 14: "Life Below Water" focuses on conservation and sustainable use of oceans, seas and marine resources.

  • As a landlocked country, Nepal has limited direct connection to marine ecosystems.

  • However, Nepal is affected by issues like climate change that impact oceans, and it participates in global ocean conservation efforts.

  • All SDGs are relevant to all countries, but this one has less direct applicability to Nepal compared to coastal nations.


12. How many targets have been set by sustainable development goals to eliminate all kinds of poverty and hunger by 2030 A.D.?

  1. 165

  2. 166

  3. 168

  4. 169

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Answer: 4. 169

Explanation:

  • The 17 Sustainable Development Goals have a total of 169 associated targets.

  • These targets provide specific, measurable objectives for each goal.

  • The targets cover a wide range of issues including poverty, hunger, health, education, gender equality, clean water, energy, economic growth, and environmental protection.


13. "We don't have plan B because there is no planet B." Whose Statement is this regarding to the development of the Sustainable Development Goals (SDGs)?

  1. Antonio Gutteres

  2. Ban Ki-moon

  3. Rashid Sumaila

  4. Makin Falkenmark

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Answer: 2. Ban Ki-moon

Explanation:

  • This famous quote is attributed to Ban Ki-moon, former Secretary-General of the United Nations (2007-2016).

  • He used this statement to emphasize the urgency of addressing climate change and implementing the Sustainable Development Goals.

  • The quote highlights that Earth is our only home, and we must protect it as we have no alternative planet.


14. In which year, the millennium development goals (MDGs) declared by the United Nations (UN)?

  1. 2000 AD

  2. 2015 AD

  3. 1992 AD

  4. 2012 AD

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Answer: 1. 2000 AD

Explanation:

  • The Millennium Development Goals were adopted at the United Nations Millennium Summit in September 2000.

  • World leaders gathered at UN headquarters in New York to adopt the United Nations Millennium Declaration.

  • The MDGs were derived from this declaration and set targets to be achieved by 2015.


15. The first Earth summit was held at -

  1. Buenos Aires

  2. Rio de Janeiro

  3. Dar-es-Salam

  4. Nayoga

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Answer: 2. Rio de Janeiro

Explanation:

  • The first Earth Summit, officially known as the United Nations Conference on Environment and Development (UNCED), was held in Rio de Janeiro, Brazil in June 1992.

  • It was a major UN conference that brought together leaders from 172 countries.

  • Key outcomes included Agenda 21, the Rio Declaration, and conventions on climate change and biodiversity.


16. - - - - - - - - - - - - - - - - - - - -

  1. Kyoto Protocol

  2. Agenda-21

  3. Both a and b

  4. Neither a or b

Note: The question text appears to be incomplete in the PDF.

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Answer: Based on the answer key: 2. Agenda-21

Explanation:

  • Since the question is incomplete, I'll provide context for Agenda 21:

  • Agenda 21 is a comprehensive action plan adopted at the 1992 Earth Summit in Rio de Janeiro.

  • It is a non-binding, voluntarily implemented action plan for sustainable development.

  • The "21" refers to the 21st century, indicating it's an agenda for sustainable development in the 21st century.


  1. Environment and Development

  2. Global warming

  3. Climate change

  4. Bio-diversity

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Answer: 1. Environment and Development

Explanation:

  • Agenda 21 is a comprehensive plan of action for sustainable development that balances environmental protection with economic development.

  • It addresses social and economic dimensions, conservation and management of resources, and the roles of major groups.

  • While it touches on global warming, climate change, and biodiversity, its primary focus is the broader relationship between environment and development.


18. The first country to sign in Agenda 21 is -

  1. UK

  2. China

  3. France

  4. Australia

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Answer: 2. China

Explanation:

  • China was the first country to sign Agenda 21 at the Earth Summit in 1992.

  • Agenda 21 was adopted by 178 governments at the conference.

  • China's early adoption signaled its commitment to sustainable development principles.


19. During which plan period, the Environmental protection act and Rules were enacted and enforced in Nepal?

  1. 10th

  2. 7th

  3. 8th

  4. 6th

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Answer: 3. 8th

Explanation:

  • Nepal's Environment Protection Act was enacted in 1996 (2053 BS).

  • The Environment Protection Rules were enacted in 1997 (2054 BS).

  • This corresponds to the Eighth Five Year Plan period (1992-1997).


20. Where is headquarters of United Nations Environment Program (UNEP) located?

  1. Geneva, Switzerland

  2. Nairobi, Kenya

  3. New Delhi, India

  4. New York, USA

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Answer: 2. Nairobi, Kenya

Explanation:

  • UNEP headquarters is located in Nairobi, Kenya.

  • It is the only UN agency headquartered in a developing country.

  • UNEP was established in 1972 following the UN Conference on the Human Environment in Stockholm.


  1. Pollution

  2. Conservation of Wetland

  3. Conservation of Environment

  4. Global warming

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Answer: 3. Conservation of Environment

Explanation:

  • Earthwatch is an international environmental organization.

  • It connects people with scientists worldwide to conduct environmental research.

  • Its mission is to engage people worldwide in scientific field research and education to promote environmental sustainability.


22. The first environment day in Nepal was observed in? (PSC-2076)

  1. 1976 A.D.

  2. 1998 A.D.

  3. 1992 A.D.

  4. 1997 A.D.

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Answer: 1. 1976 A.D.

Explanation:

  • World Environment Day is celebrated globally on June 5 every year.

  • Nepal first observed Environment Day in 1976 (2033 BS).

  • This followed the 1972 Stockholm Conference on the Human Environment which established World Environment Day.


23. Which country has been started the movement of 'Earth hour'?

  1. Australia

  2. Japan

  3. America

  4. Finland

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Answer: 1. Australia

Explanation:

  • Earth Hour was started in Sydney, Australia in 2007.

  • It was organized by WWF (World Wide Fund for Nature) Australia.

  • The first Earth Hour saw 2.2 million Sydney residents and businesses turn off their lights for one hour.


24. Which of the following is correct slogan regarding international Environment Day -2024 celebrated on 5th June every year?

  1. Our Land, Our Future

  2. Save the earth, save our environment

  3. Only One Earth

  4. Think, Eat and Save

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Answer: 1. Our Land, Our Future

Explanation:

  • The theme for World Environment Day 2024 is "Land restoration, desertification and drought resilience."

  • The slogan "Our Land. Our Future." reflects this theme.

  • World Environment Day 2024 is hosted by Saudi Arabia.


25. The Theme of 'Earth day' 2023 is -

  1. "Beat Air pollution"

  2. "Invest in Our Planet"

  3. "The only earth"

  4. "Gift to Earth"

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Answer: 2. "Invest in Our Planet"

Explanation:

  • Earth Day 2023 theme was "Invest in Our Planet."

  • This theme emphasized the need for businesses, governments, and citizens to invest in a green economy.

  • Earth Day is celebrated annually on April 22.


26. Earth hour 2024 was celebrated throughout the world to combat climate change and protect biodiversity and nature. What edition of 'Earth Hour' was it?

  1. 17th

  2. 11th

  3. 18th

  4. 10th

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Answer: 3. 18th

Explanation:

  • Earth Hour started in 2007.

  • Earth Hour 2024 marks the 18th edition (2007-2024 inclusive).

  • The event is held annually on the last Saturday of March.


  1. Global-500

  2. Agenda-21

  3. Bio-diversity

  4. Climate Change

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Answer: 1. Global-500

Explanation:

  • The 1992 Earth Summit (Rio Summit) produced:

    • Agenda 21

    • Rio Declaration on Environment and Development

    • Convention on Biological Diversity

    • United Nations Framework Convention on Climate Change (UNFCCC)

  • Global 500 was a UNEP award program (1987-2003) unrelated to the Earth Summit outcomes.


28. Which ISO specifies audit protocol of environment?

  1. ISO 9000

  2. ISO 9001

  3. ISO 14064

  4. ISO 14001

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Answer: 4. ISO 14001

Explanation:

  • ISO 14001 is the international standard for Environmental Management Systems (EMS).

  • It provides a framework for organizations to manage their environmental responsibilities.

  • ISO 14001 specifies requirements for an EMS that an organization can use to enhance environmental performance.


29. Who is the founder of Green Belt Movement?

  1. Gaylord Nelson

  2. Wangari Maathai

  3. Paul Watson

  4. John Muir

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Answer: 2. Wangari Maathai

Explanation:

  • Wangari Maathai founded the Green Belt Movement in Kenya in 1977.

  • She was a Kenyan environmental, social, and political activist.

  • Maathai was awarded the Nobel Peace Prize in 2004 for her contribution to sustainable development, democracy, and peace.


30. Who is awarded WWF Conservation Award 2020 A.D.?

  1. Jagannath Singh

  2. Rinzin Phunjok Lama

  3. Ram Priksha Yadav

  4. Dr. Kamal Prasad Gaire

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Answer: 2. Rinzin Phunjok Lama

Explanation:

  • Rinzin Phunjok Lama is a Nepalese conservationist.

  • He received the WWF's Conservation Award in 2020 for his work in snow leopard conservation.

  • Lama has been instrumental in community-based conservation efforts in the Himalayas.


31. Who received Blue Planet Award 2023 A.D.?

  1. Brayan Walker

  2. Prof. Malin Falken Mark

  3. Tamara Galloway

  4. Neither a nor b

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Answer: 3. Tamara Galloway

Explanation:

  • The Blue Planet Award is an international environmental award.

  • In 2023, Professor Tamara Galloway received the award for her research on microplastics and their impact on marine ecosystems.

  • She is a British ecotoxicologist at the University of Exeter.


  1. Environmental Sector

  2. Atmospheric Sector

  3. Bio-Diversity Sector

  4. Sector of Sustainable Development

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Answer: 1. Environmental Sector

Explanation:

  • The Goldman Environmental Prize is awarded annually to grassroots environmental activists.

  • It is often called the "Green Nobel."

  • The prize recognizes individuals for sustained and significant efforts to protect the natural environment.


33. Who was the first Nepali to receive the Global-500 award?

  1. Mahesh Chandra Regmi

  2. Dr. Sanduk Ruit

  3. Dr. Krishna Kumar Pandey

  4. Dr. Harka Gurung

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Answer: 3. Dr. Krishna Kumar Pandey

Explanation:

  • Dr. Krishna Kumar Pandey was the first Nepali to receive the UNEP Global 500 Roll of Honour Award in 1989.

  • He was recognized for his contributions to environmental conservation in Nepal.

  • The Global 500 award was given by UNEP from 1987 to 2003.


34. Global 500 awards are given for the outstanding achievement in which of the following fields?

  1. Population Control

  2. Campaign against drugs

  3. Elimination of illiteracy

  4. Protection of environment

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Answer: 4. Protection of environment

Explanation:

  • The UNEP Global 500 Roll of Honour was established in 1987.

  • It recognized individuals and organizations for outstanding achievements in environmental protection.

  • The award was discontinued in 2003 and replaced by the Champions of the Earth award.


35. When World Wildlife Fund was established?

  1. 1960 A.D.

  2. 1961 A.D.

  3. 1962 A.D.

  4. 1963 A.D.

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Answer: 2. 1961 A.D.

Explanation:

  • WWF (World Wildlife Fund, now World Wide Fund for Nature) was established on September 11, 1961.

  • It was founded in Morges, Switzerland.

  • The organization's mission is to stop the degradation of the planet's natural environment.


36. Who published the "Red Data Book" about the list of rare animals?

  1. ICIMOD

  2. WWF

  3. IUCN

  4. UNEP

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Answer: 3. IUCN

Explanation:

  • The IUCN Red List of Threatened Species (often called the Red Data Book) is published by the International Union for Conservation of Nature (IUCN).

  • It was first created in 1964.

  • The Red List categorizes species based on their risk of extinction.


37. Currently, How many counties have signed the CITES treaty?

  1. 184

  2. 175

  3. 185

  4. 193

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Answer: 1. 184

Explanation:

  • CITES (Convention on International Trade in Endangered Species of Wild Fauna and Flora) has 184 parties (183 countries + the European Union).

  • The convention was drafted in 1963 and came into force in 1975.

  • Nepal became a party to CITES in 1975.


  1. U.N.E.P.

  2. I.U.C.N.

  3. I.P.C.C

  4. W.W.F.

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Answer: 2. I.U.C.N.

Explanation:

  • The IUCN Red List is maintained by the International Union for Conservation of Nature.

  • It is the world's most comprehensive inventory of the global conservation status of biological species.

  • The Red List uses a set of criteria to evaluate the extinction risk of thousands of species.


  1. Protection of Endangered species of wild Flora and Fauna

  2. Protection of mountains

  3. Both a and b

  4. Neither a Nor b

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Answer: 1. Protection of Endangered species of wild Flora and Fauna

Explanation:

  • CITES (Convention on International Trade in Endangered Species) regulates international trade in endangered plants and animals.

  • It aims to ensure that international trade does not threaten the survival of species.

  • The convention covers approximately 5,800 species of animals and 30,000 species of plants.


40. Which of the following pairs is wrong?

  1. W.W.F. - 1960 AD

  2. I.U.C.N. - 1973 AD

  3. Rio 20 - 1992 AD

  4. Red Data Book - CITES

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Answer: 4. Red Data Book - CITES

Explanation:

  • The Red Data Book is published by IUCN, not CITES.

  • Correct pairs:

    • WWF was established in 1961 (not 1960)

    • IUCN was established in 1948 (not 1973)

    • Rio Earth Summit was in 1992 (Rio+20 was in 2012, not 1992)

  • The most clearly wrong pair is Red Data Book - CITES.


41. World Wildlife fund was established in -

  1. 1959 A.D.

  2. 1960 A.D.

  3. 1961 A.D.

  4. 1962 A.D.

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Answer: 3. 1961 A.D.

Explanation:

  • WWF was founded on September 11, 1961.

  • Its founding document, the Morges Manifesto, was signed in Morges, Switzerland.

  • The organization was originally called the World Wildlife Fund, but changed to World Wide Fund for Nature in 1986.


42. Which Country is not included in ICIMOD?

  1. Myanmar

  2. Afghanistan

  3. Bhutan

  4. Thailand

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Answer: 4. Thailand

Explanation:

  • ICIMOD (International Centre for Integrated Mountain Development) member countries are:

    • Afghanistan, Bangladesh, Bhutan, China, India, Myanmar, Nepal, Pakistan

  • Thailand is not a member of ICIMOD.

  • ICIMOD is based in Kathmandu, Nepal and focuses on sustainable mountain development in the Hindu Kush Himalaya region.


43. Which of the following is incorrect?

  1. World Environmental Day - 1972 AD

  2. Kyoto Protocol - 1997 AD

  3. SAARC Environmental year - 1990 AD

  4. IUCN - 1948

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Answer: 3. SAARC Environmental year - 1990 AD

Explanation:

  • Correct facts:

    • World Environment Day was established in 1972

    • Kyoto Protocol was adopted in 1997

    • IUCN was founded in 1948

  • SAARC declared 1992 as the SAARC Year of the Environment, not 1990.


44. Sound is said to be hazardous when its Intensity is above -

  1. 30 dB

  2. 40 dB

  3. 60 dB

  4. 80 dB

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Answer: 4. 80 dB

Explanation:

  • Sound above 85 dB can cause hearing damage with prolonged exposure.

  • The World Health Organization recommends keeping noise levels below 70 dB.

  • Hazardous noise levels typically begin at 80-85 dB for extended exposure periods.


45. Which one of the following is not a secondary Pollutant?

  1. PAN

  2. Smog

  3. Sulphur dioxide

  4. Ozone

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Answer: 3. Sulphur dioxide

Explanation:

  • Primary pollutants are emitted directly from sources (e.g., SO₂, NOx, CO, particulate matter).

  • Secondary pollutants form when primary pollutants react in the atmosphere:

    • PAN (Peroxyacetyl nitrate) forms from NOx and VOCs

    • Smog forms from NOx and VOCs with sunlight

    • Ozone forms from NOx and VOCs with sunlight

  • Sulphur dioxide (SO₂) is a primary pollutant emitted from burning fossil fuels.


  1. Environmental protection

  2. Concerning the Control of Nitrogen Oxides

  3. Renewable Energy

  4. Reduction of emission of green house gas

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Answer: 4. Reduction of emission of green house gas

Explanation:

  • The Kyoto Protocol was adopted in 1997 and came into force in 2005.

  • It is an international treaty that commits industrialized countries to limit and reduce greenhouse gas emissions.

  • The protocol operates under the UN Framework Convention on Climate Change (UNFCCC).


47. The concept of 'Carbon credit' originated from;

  1. Earth Summit, Rio - de - Janeiro

  2. Kyoto Protocol

  3. Montreal Protocol

  4. G - 8 Summit

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Answer: 2. Kyoto Protocol

Explanation:

  • Carbon credits originated from the Kyoto Protocol's Clean Development Mechanism (CDM).

  • CDM allows developed countries to invest in emission reduction projects in developing countries.

  • One carbon credit equals one tonne of carbon dioxide equivalent reduced or removed from the atmosphere.


48. Which country in the world responsible for largest percentage of global house gas (GHG) emissions?

  1. India

  2. Brazil

  3. USA

  4. China

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Answer: 4. China

Explanation:

  • China is currently the world's largest emitter of greenhouse gases.

  • As of recent data, China accounts for approximately 30% of global CO₂ emissions.

  • The United States is the second-largest emitter, followed by India.


  1. Protection of Red panda

  2. Protection of Ozone layer depletion

  3. Water pollution

  4. Bio- diversity

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Answer: 2. Protection of Ozone layer depletion

Explanation:

  • The Montreal Protocol was signed in 1987.

  • It is an international treaty designed to protect the ozone layer by phasing out ozone-depleting substances (ODS).

  • It is considered one of the most successful international environmental agreements.


50. When did Nepal signed Paris Agreement? (PSC-2080)

  1. October 05, 2016

  2. September 14, 2016

  3. November 04, 2016

  4. April 22, 2016

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Answer: 4. April 22, 2016

Explanation:

  • Nepal signed the Paris Agreement on April 22, 2016 (Baishakh 10, 2073 BS).

  • The Paris Agreement was adopted on December 12, 2015 at COP21.

  • Nepal ratified the agreement on October 5, 2016.


51. According to IPCC, what part in the world, Nepal contributes greenhouse gas emission?

  1. 0.027

  2. 0.056

  3. 0.021

  4. 0.012

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Answer: 1. 0.027

Explanation:

  • Nepal contributes approximately 0.027% of global greenhouse gas emissions.

  • This is a very small percentage due to Nepal's low level of industrialization.

  • However, Nepal is highly vulnerable to the impacts of climate change despite its minimal contribution.


52. According the Recent study conducted by department of hydrology and metrology, the average maximum temperature of Nepal has risen by -

  1. 0.0056°C

  2. 0.056°C

  3. 0.001°C

  4. 0.021°C

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Answer: 2. 0.056°C

Explanation:

  • According to the Department of Hydrology and Meteorology, Nepal's average maximum temperature has been rising at approximately 0.056°C per year.

  • This rate is higher than the global average.

  • The Himalayan region is experiencing faster warming due to climate change.


53. How long has Nepal declared its commitment to zero emission strategy (Zero Net Strategy) at the Glasgow conference on climate change in 2021?

  1. 2025 AD

  2. 2035 AD

  3. 2045 AD

  4. 2100 AD

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Answer: 3. 2045 AD

Explanation:

  • At COP26 in Glasgow (2021), Nepal committed to achieving net-zero emissions by 2045.

  • This target is more ambitious than many developed countries.

  • Nepal's Long-Term Strategy for Net-Zero Emissions outlines pathways to achieve this goal.


54. Who was coined the term Global warming?

  1. Wally Broecker

  2. John Tyndall

  3. J.C. Farman

  4. E.O. Wilson

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Answer: 1. Wally Broecker

Explanation:

  • Wallace "Wally" Broecker, an American geochemist, first used the term "global warming" in a 1975 scientific paper.

  • The paper was titled "Climatic Change: Are We on the Brink of a Pronounced Global Warming?"

  • Broecker was one of the first scientists to sound the alarm about climate change.


55. Consider the following Statement & Choose the correct one:

  1. The Earth Summit 1992 issued United Nations Framework Convention on Climate Change (UNFCC)

  2. 10-10-10 is related to climate change.

  3. only 1

  4. only 2

  5. both 1&2

  6. neither 1 nor 2

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Answer: 3. both 1&2

Explanation:

  • Statement 1: The UNFCCC was indeed adopted at the Earth Summit in Rio de Janeiro in 1992.

  • Statement 2: 10-10-10 refers to October 10, 2010, when a global day of climate action was organized by the organization 350.org.

  • Both statements are correct.


56. UN COP-28 conferences, Dubai, UAE focused on -

  1. The reduction of Green house & its emission

  2. Green growth Strategy

  3. To established "Green Climate Fund"

  4. Protect and restore ecosystem

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Answer: Based on answer key: 3. To established "Green Climate Fund"

Explanation:

  • COP28 was held in Dubai, UAE in 2023.

  • While all options are relevant to climate conferences, the Green Climate Fund was actually established at COP16 in Cancun (2010).

  • COP28 had multiple focuses including loss and damage fund operationalization, global stocktake, and climate finance.

Note: There seems to be an error in either the question or answer key. The Green Climate Fund was established in 2010, not at COP28.


57. Which One of the following is the main objective of Vienna Convention and its Montreal protocol?

  1. Combat Desertification

  2. formulate sustainable development goals

  3. Protection of ozone layer

  4. combat climate Change

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Answer: 3. Protection of ozone layer

Explanation:

  • The Vienna Convention for the Protection of the Ozone Layer was adopted in 1985.

  • The Montreal Protocol (1987) is the implementation agreement under the Vienna Convention.

  • Together, they aim to protect the ozone layer by phasing out ozone-depleting substances.


58. Which of the following Greenhouse Gases has the highest atmospheric lifetime?

  1. Nitrous oxide

  2. Methane

  3. Carbon dioxide

  4. Sulphur Hexa Fluoride

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Answer: 4. Sulphur Hexa Fluoride

Explanation:

  • Atmospheric lifetimes of greenhouse gases:

    • Sulphur hexafluoride (SF₆): 3,200 years

    • Carbon dioxide (CO₂): 100-300 years

    • Nitrous oxide (N₂O): 114 years

    • Methane (CH₄): 12 years

  • SF₆ has the longest atmospheric lifetime and is also the most potent greenhouse gas.


59. The one which isn't considered as naturally occurring green house greenhouse gas is -

  1. CFC's

  2. Methane

  3. Carbon dioxide

  4. Nitrous oxide

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Answer: 1. CFC's

Explanation:

  • CFCs (Chlorofluorocarbons) are entirely human-made chemicals.

  • Naturally occurring greenhouse gases include:

    • Carbon dioxide (from respiration, volcanoes)

    • Methane (from wetlands, livestock)

    • Nitrous oxide (from soils, oceans)

    • Water vapor

  • CFCs were invented in the 1920s and widely used as refrigerants and propellants.


60. Which one of the following pairs of gases are the major causes of "Green House Effect"?

  1. CO₂ and NO₂

  2. CO₂ and O₃

  3. CO₂ and CO

  4. CO₂ and CH₄

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Answer: 4. CO₂ and CH₄

Explanation:

  • The major greenhouse gases contributing to the enhanced greenhouse effect are:

    • Carbon dioxide (CO₂) - contributes about 76% of the effect

    • Methane (CH₄) - contributes about 16%

    • Nitrous oxide (N₂O) - contributes about 6%

    • Fluorinated gases - contribute about 2%

  • CO₂ and CH₄ together account for the majority of greenhouse gas forcing.


61. Which one of the following is mainly responsible for green house effect?

  1. SO₂

  2. CO

  3. CO₂

  4. NO₂

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Answer: 3. CO₂

Explanation:

  • Carbon dioxide (CO₂) is the primary greenhouse gas responsible for the enhanced greenhouse effect.

  • It accounts for approximately 76% of total greenhouse gas emissions from human activities.

  • The main sources are fossil fuel combustion and deforestation.


62. Which of the following is true for the relative contribution of various Green gases to total Global warming?

  1. CO₂ > CH₄ > NO₂ > CFCs

  2. N₂O > CH₄ > CFCs > CO₂

  3. CO₂ > N₂O > CH₄ > CFCs

  4. CH₄ > CFCs > N₂O > CO₂

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Answer: 1. CO₂ > CH₄ > NO₂ > CFCs

Explanation:

  • Relative contributions to global warming (approximate percentages):

    • Carbon dioxide (CO₂): 76%

    • Methane (CH₄): 16%

    • Nitrous oxide (N₂O): 6%

    • Fluorinated gases (including CFCs): 2%

  • This order reflects their contribution to radiative forcing.


63. Which of the following is not a green house gas?

  1. Carbon dioxide

  2. Carbon monoxide

  3. Methane

  4. Nitrous oxide

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Answer: 2. Carbon monoxide

Explanation:

  • Carbon monoxide (CO) is not a significant greenhouse gas.

  • It is a toxic air pollutant but has minimal direct radiative forcing.

  • Major greenhouse gases include CO₂, CH₄, N₂O, and fluorinated gases.

  • CO can indirectly affect climate by reacting to form CO₂ and ozone.


64. Among the following, which gas is the main cause of depletion of ozone layer?

  1. Sulphur dioxide

  2. Chlorofluorocarbons

  3. Methane

  4. Carbon dioxide

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Answer: 2. Chlorofluorocarbons

Explanation:

  • Chlorofluorocarbons (CFCs) are the primary cause of ozone layer depletion.

  • When CFCs reach the stratosphere, UV radiation breaks them down, releasing chlorine atoms.

  • Each chlorine atom can destroy thousands of ozone molecules through catalytic cycles.


65. Kyoto Protocol was signed by Nepal -

  1. 2004 AD

  2. 1997 AD

  3. 2005 AD

  4. 2007 AD

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Answer: 3. 2005 AD

Explanation:

  • Nepal signed the Kyoto Protocol on December 9, 2005.

  • The protocol was adopted in 1997 but came into force in 2005.

  • As a non-Annex I country (developing country), Nepal has no binding emission reduction targets under Kyoto.


66. Where the UN Climate Change Conference COP 28 held?

  1. London

  2. Dubai

  3. Madrid

  4. Rome

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Answer: 2. Dubai

Explanation:

  • COP28 (28th Conference of the Parties to the UNFCCC) was held in Dubai, United Arab Emirates.

  • It took place from November 30 to December 12, 2023.

  • The conference was presided over by Sultan Al Jaber of the UAE.


67. Which of the following is not major green house gas?

  1. Nitrogen

  2. Methane

  3. Carbon dioxide

  4. Sulphur Hexafluoride

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Answer: 1. Nitrogen

Explanation:

  • Nitrogen (N₂) makes up 78% of the atmosphere but is not a greenhouse gas.

  • It is transparent to infrared radiation and does not trap heat.

  • Major greenhouse gases include CO₂, CH₄, N₂O, and SF₆ (sulphur hexafluoride).


68. Who was the first person to experiment scientifically about the greenhouse effects?

  1. John Tyndall

  2. E. Newton Foote

  3. both a & b

  4. James Hansen

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Answer: 1. John Tyndall

Explanation:

  • John Tyndall, an Irish physicist, conducted the first scientific experiments on the greenhouse effect in 1859.

  • He measured the infrared absorption of various gases including CO₂ and water vapor.

  • His work demonstrated that certain gases trap heat in the atmosphere.


69. When was Kalapathar meeting at foothill of Mt. Everest held to draw the attention of the world regarding the effect of Climate Change?

  1. Mangsir 19, 2066

  2. Ashadh 03, 2067

  3. Kartik 03, 2070

  4. Sharwan 10, 2073

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Answer: 1. Mangsir 19, 2066

Explanation:

  • The Kalapathar cabinet meeting was held on December 4, 2009 (Mangsir 19, 2066 BS).

  • The meeting took place at 5,250 meters (17,224 feet) near Everest base camp.

  • It was organized to highlight the impacts of climate change on the Himalayas ahead of COP15 in Copenhagen.


70. Which is the nation to conduct the Cabinet Meeting under the water to gain the attention of the world to reduce the effect of climate change?

  1. Sri Lanka

  2. Japan

  3. India

  4. Maldives

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Answer: 4. Maldives

Explanation:

  • The Maldives held an underwater cabinet meeting on October 17, 2009.

  • President Mohamed Nasheed and ministers signed a document calling for global action on climate change.

  • The event highlighted the threat of sea-level rise to low-lying island nations.


  1. Air pollution

  2. Conservation of Wetland

  3. Climate change

  4. Water Pollution

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Answer: 3. Climate change

Explanation:

  • The Kyoto Protocol is an international treaty under the UNFCCC.

  • Its goal is to combat climate change by reducing greenhouse gas emissions.

  • It was adopted in Kyoto, Japan in 1997 and came into force in 2005.


  1. Trans-boundary Movements of the Hazardous wastes and their disposal

  2. Ozone Layer depletion

  3. Sustainable Development

  4. Earth Summit

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Answer: 1. Trans-boundary Movements of the Hazardous wastes and their disposal

Explanation:

  • The Basel Convention was adopted in 1989 and came into force in 1992.

  • It controls the transboundary movements of hazardous wastes and their disposal.

  • The convention aims to protect human health and the environment from the adverse effects of hazardous wastes.


73. Which international organization has declared a global climate & environmental emergency?

  1. European Union

  2. BRICS

  3. WHO

  4. SAARC

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Answer: 1. European Union

Explanation:

  • The European Parliament declared a climate and environmental emergency on November 28, 2019.

  • This made the EU the first major economy to declare such an emergency.

  • The declaration was symbolic but signaled political commitment to climate action.


74. When was the first Nepal national wetland Policy issued by the Government?

  1. 2069 B.S.

  2. 2045 B.S.

  3. 2053 B.S.

  4. 2050 B.S.

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Answer: 1. 2069 B.S.

Explanation:

  • Nepal's National Wetland Policy was issued in 2069 BS (2012 AD).

  • The policy aims to conserve and manage wetland ecosystems sustainably.

  • Nepal has 10 wetlands designated as Ramsar sites of international importance.


75. When was the National Climate Change Policy developed in Nepal?

  1. 2059 B.S.

  2. 2053 B.S.

  3. 2076 B.S.

  4. 2062 B.S.

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Answer: 3. 2076 B.S.

Explanation:

  • Nepal's National Climate Change Policy was developed in 2076 BS (2019 AD).

  • It replaced the earlier Climate Change Policy of 2067 BS (2011 AD).

  • The policy provides a framework for climate change adaptation and mitigation in Nepal.


76. In which of the following district of Nepal, biodiversity information centre is being established?

  1. Chitwan

  2. Parsa

  3. Banke

  4. Bardia

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Answer: 1. Chitwan

Explanation:

  • The National Biodiversity Information Centre is being established in Chitwan district.

  • Chitwan is home to Chitwan National Park, a UNESCO World Heritage Site.

  • The center will collect, manage, and disseminate biodiversity data.


77. Which of the following does not fall into category of biodiversity?

  1. Species diversity

  2. Hereditary diversity

  3. Environmental diversity

  4. Climate diversity

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Answer: 4. Climate diversity

Explanation:

  • Biodiversity includes three main levels:

    • Genetic diversity: Variation within species

    • Species diversity: Variety of species in an area

    • Ecosystem diversity: Variety of ecosystems

  • Climate diversity is not a recognized category of biodiversity, though climate influences biodiversity patterns.


78. The largest ecosystem of the earth is

  1. Hydroshere

  2. Biosphere

  3. Lithosphere

  4. Biome

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Answer: 2. Biosphere

Explanation:

  • The biosphere is the global sum of all ecosystems.

  • It includes all living organisms and their interactions with the atmosphere, hydrosphere, and lithosphere.

  • The biosphere extends from the deepest ocean trenches to the highest mountains.


79. What is the theme of World Biodiversity Day 2024 A.D.?

  1. Be Part of the Plan

  2. save our species

  3. The only Earth

  4. air pollution

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Answer: 1. Be Part of the Plan

Explanation:

  • International Day for Biological Diversity 2024 theme is "Be part of the Plan."

  • This theme calls for action to support the implementation of the Kunming-Montreal Global Biodiversity Framework.

  • The day is celebrated annually on May 22.


80. How many places of Nepal have been declared wetland now?

  1. 11

  2. 12

  3. 8

  4. 10

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Answer: 4. 10

Explanation:

  • Nepal has 10 wetlands designated as Ramsar sites (wetlands of international importance).

  • These include:

    • Koshi Tappu Wildlife Reserve (first, designated in 1987)

    • Beeshazar and Associated Lakes

    • Ghodaghodi Tal

    • Jagadishpur Reservoir

    • Gokyo Lakes

    • Gosainkunda

    • Gosaikunda

    • Phoksundo Lake

    • Rara Lake

    • Mai Pokhari


81. How many kinds of ecosystem are found in Nepal?

  1. 108

  2. 118

  3. 98

  4. 101

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Answer: 2. 118

Explanation:

  • Nepal has 118 ecosystems identified across various ecological zones.

  • These range from tropical forests in the Terai to alpine meadows and glaciers in the Himalayas.

  • This diversity results from Nepal's dramatic elevation variation (60m to 8,848m).


82. The richest country in the world presented by mongabay.com -2021 in terms of Bio- diversity is

  1. Indonesia

  2. Brazil

  3. Colombia

  4. China

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Answer: 2. Brazil

Explanation:

  • Brazil is considered the most biodiverse country in the world.

  • It contains:

    • The Amazon rainforest (largest tropical rainforest)

    • The Atlantic Forest

    • The Cerrado savanna

    • The Pantanal wetlands

  • Brazil hosts approximately 15-20% of the world's biological diversity.


83. Where is the bio- diversity information centre established?

  1. Bardiya

  2. Ilam

  3. Chitwan

  4. Parsa

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Answer: 3. Chitwan

Explanation:

  • The National Biodiversity Information Centre is located in Chitwan.

  • Chitwan National Park is one of Nepal's biodiversity hotspots.

  • The center serves as a repository for biodiversity data and information.


84. Which of the following among given richest country is richest in the field of Biodiversity?

  1. Kenya

  2. Nepal

  3. Indonesia

  4. Malaysia

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Answer: 3. Indonesia

Explanation:

  • Among the options given, Indonesia is the most biodiverse.

  • Indonesia is a megadiverse country with:

    • Second highest level of biodiversity in the world (after Brazil)

    • 17% of the world's bird species

    • 16% of the world's reptile and amphibian species

    • 12% of the world's mammal species


85. According to mongabay.com report-2021, Nepal ranked in the world and in Asia in term of Bio- diversity.

  1. 47th & 11th

  2. 51th & 9th

  3. 48th & 12th

  4. 44th & 3rd

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Answer: 3. 48th & 12th

Explanation:

  • According to various biodiversity indices, Nepal ranks:

    • 48th in the world for biodiversity

    • 12th in Asia for biodiversity

  • Despite its small size, Nepal has high biodiversity due to its varied topography and climate zones.


86. 'Bio- diversity Day' is celebrated every year on

  1. 1st, April

  2. 23rd, April

  3. 22nd, May

  4. 5th, December

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Answer: 3. 22nd, May

Explanation:

  • International Day for Biological Diversity is celebrated on May 22 each year.

  • This date commemorates the adoption of the Convention on Biological Diversity in 1992.

  • The day was originally celebrated on December 29 but was changed to May 22 in 2000.


  1. Ecosystem

  2. species diversity

  3. Genetic diversity

  4. clean energy diversity

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Answer: 4. clean energy diversity

Explanation:

  • Biodiversity components include:

    • Ecosystem diversity

    • Species diversity

    • Genetic diversity

  • Clean energy diversity refers to variety in energy sources (solar, wind, hydro, etc.) and is not a component of biological diversity.


88. The theory of relativity was propounded by

  1. Henry Becquerel

  2. Albert Einstein

  3. Michel Faraday

  4. Enrico Ferni

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Answer: 2. Albert Einstein

Explanation:

  • Albert Einstein proposed the theory of relativity.

  • He published the special theory of relativity in 1905.

  • The general theory of relativity was published in 1915.

  • The theory revolutionized our understanding of space, time, and gravity.


89. Which of the following Statement(s) about famous Scientist Albert Einstein is/are correct?

  1. He was born in France

  2. He received Nobel Prize in 1921 A.D.

  3. He was died in U.S.A.

  4. 1, 2 and 3 are correct

  5. 1 and 2 only

  6. 2 and 3 only

  7. 1 and 3 only

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Answer: 3. 2 and 3 only

Explanation:

  • Statement 1: INCORRECT - Einstein was born in Ulm, Germany (1879), not France.

  • Statement 2: CORRECT - He received the Nobel Prize in Physics in 1921 for his explanation of the photoelectric effect.

  • Statement 3: CORRECT - Einstein died in Princeton, New Jersey, USA in 1955.


90. Where was the Scientist Stephen Hawking born?

  1. United Kingdom

  2. France

  3. Netherland

  4. Poland

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Answer: 1. United Kingdom

Explanation:

  • Stephen Hawking was born in Oxford, England on January 8, 1942.

  • He was a theoretical physicist and cosmologist.

  • Despite being diagnosed with ALS at age 21, he made groundbreaking contributions to physics.


91. Who is the writer of "A Brief History of Time: From the Big Bang to Black Hole"?

  1. Albert Einstein

  2. Stephen Hawking

  3. Sir Isaac Newton

  4. Marie Curie

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Answer: 2. Stephen Hawking

Explanation:

  • "A Brief History of Time" was written by Stephen Hawking and published in 1988.

  • The book explains complex concepts in cosmology for a general audience.

  • It became an international bestseller, selling over 25 million copies.


92. In which country "Madam Curie" was born?

  1. France

  2. Germany

  3. Britain

  4. Poland

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Answer: 4. Poland

Explanation:

  • Marie Curie was born Maria Skłodowska in Warsaw, Poland on November 7, 1867.

  • She later moved to France for her education and research.

  • She was the first woman to win a Nobel Prize and the only person to win Nobel Prizes in two different sciences (Physics and Chemistry).


93. Who is known as "Father of Genetics Science"?

  1. Charles Darwin

  2. Gregor Mendel

  3. Gregor Darwin

  4. Johann Karl Nestler

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Answer: 2. Gregor Mendel

Explanation:

  • Gregor Mendel is known as the father of genetics.

  • He was an Austrian monk who conducted pea plant experiments in the 1860s.

  • His work established the fundamental laws of inheritance, though it was not recognized until the early 20th century.


94. Which is the largest underground atomic laboratory in the world?

  1. The large Hadron Collider

  2. The big Impact Reactor

  3. The Large proton Reactor

  4. The big Thought

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Answer: 1. The large Hadron Collider

Explanation:

  • The Large Hadron Collider (LHC) is the world's largest and most powerful particle accelerator.

  • It is located at CERN (European Organization for Nuclear Research) near Geneva, Switzerland.

  • The LHC tunnel is 27 kilometers in circumference, 100 meters underground.


95. Identify whether the following statements are correct or incorrect:

  1. The great Scientist sir Isaac Newton was born in Britain.

  2. The first person to land in the Space from United States of America.

  3. Both 1 and 2 correct

  4. Both 1 and 2 incorrect

  5. 1 correct and 2 incorrect

  6. 1 incorrect and 2 correct

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Answer: 3. 1 correct and 2 incorrect

Explanation:

  • Statement 1: CORRECT - Isaac Newton was born in Woolsthorpe, Lincolnshire, England in 1643.

  • Statement 2: INCORRECT - The first person in space was Yuri Gagarin from the Soviet Union (1961), not the United States. The first American in space was Alan Shepard (1961).


96. Who is the Father of Electricity?

  1. Sir Isaac Newton

  2. John Dalton

  3. Michael Faraday

  4. Albert Einstein

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Answer: 3. Michael Faraday

Explanation:

  • Michael Faraday is often called the father of electricity for his discoveries in electromagnetism.

  • His key contributions include:

    • Electromagnetic induction (1831)

    • Faraday's law of induction

    • Invention of the electric motor

    • Discovery of benzene


  1. Alfred Russel Wallace

  2. Charles Darwin

  3. Gregor John Mendel

  4. Jean Baptiste de Lamark

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Answer: 3. Gregor John Mendel

Explanation:

  • Gregor Mendel is associated with genetics, not evolution theory.

  • Scientists related to evolution:

    • Charles Darwin: Theory of natural selection

    • Alfred Russel Wallace: Co-discoverer of natural selection

    • Jean-Baptiste Lamarck: Theory of inheritance of acquired characteristics


98. Radioactivity was discovered by?

  1. Kelvin

  2. Thomson

  3. Rutherford

  4. Becquerel

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Answer: 4. Becquerel

Explanation:

  • Radioactivity was discovered by Henri Becquerel in 1896.

  • He discovered that uranium salts emitted radiation that could penetrate opaque materials.

  • Marie Curie later coined the term "radioactivity" and conducted further research with Pierre Curie.


99. The Steam engine was invented by

  1. James Watt

  2. James Prescott Joule

  3. New Common

  4. Isaac Newton

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Answer: 1. James Watt

Explanation:

  • James Watt improved the steam engine in the 1760s-1770s, making it efficient and practical.

  • While Thomas Newcomen built the first practical steam engine (1712), Watt's improvements were crucial for the Industrial Revolution.

  • The unit of power (watt) is named after James Watt.


100. Double - helical structure of DNA was given by

  1. Jacob and Monod

  2. Watson and Crick

  3. H.G. Knorana

  4. Charles Darwin

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Answer: 2. Watson and Crick

Explanation:

  • James Watson and Francis Crick proposed the double-helix structure of DNA in 1953.

  • Their model was based on X-ray diffraction data from Rosalind Franklin and Maurice Wilkins.

  • They received the Nobel Prize in Physiology or Medicine in 1962 for this discovery.


101. Who invented the e- mail?

  1. Francis Galton

  2. Ray Tomlinson

  3. Tim Burners lee

  4. Gabor Bath

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Answer: 2. Ray Tomlinson

Explanation:

  • Ray Tomlinson invented email in 1971.

  • He implemented the first email system on ARPANET.

  • Tomlinson chose the "@" symbol to separate user names from host names in email addresses.


102. Who is the first test tube baby of the world?

  1. Louise Joy Brown

  2. Dennis Ritchie

  3. Joseph Giblin

  4. Alan Emtage

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Answer: 1. Louise Joy Brown

Explanation:

  • Louise Joy Brown, born on July 25, 1978 in England, was the world's first successful "test-tube baby."

  • She was conceived through in vitro fertilization (IVF).

  • The procedure was performed by Patrick Steptoe and Robert Edwards (who won the Nobel Prize in 2010).


103. Who was invented Ballpoint pen?

  1. Biro Brothers

  2. Waterman Brothers

  3. Bick Brothers

  4. None

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Answer: 1. Biro Brothers

Explanation:

  • The ballpoint pen was invented by László Bíró, a Hungarian-Argentinian journalist, in 1938.

  • He patented the design with his brother György Bíró.

  • The pen used a tiny rotating ball bearing to distribute ink evenly.


104. What is the full form of RADAR?

  1. Radio Active Direction and Resuming

  2. Radio Detection and Ranging

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Answer: 2. Radio Detection and Ranging

Explanation:

  • RADAR stands for Radio Detection and Ranging.

  • It is a detection system that uses radio waves to determine the range, angle, or velocity of objects.

  • Radar was developed secretly by several nations before and during World War II.


105. Who invented the penicillin?

  1. Alexander Fleming

  2. Karl Erel

  3. Louis Pasteur

  4. Edward Jenner

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Answer: 1. Alexander Fleming

Explanation:

  • Alexander Fleming discovered penicillin in 1928.

  • He observed that mold (Penicillium notatum) inhibited bacterial growth.

  • Howard Florey and Ernst Chain later developed it into a usable medicine, saving millions of lives.


106. What is the name of first satellite of Nepal?

  1. Nepal Sat-1

  2. Nepal Sat

  3. Nepali Sat-1

  4. Nepali Sat

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Answer: 1. Nepal Sat-1

Explanation:

  • Nepal's first satellite was named Nepal Sat-1 (also called NepaliSat-1).

  • It was launched on April 17, 2019 from Wallops Flight Facility, USA.

  • The satellite was developed by Nepalese engineers with support from Japan's Kyutech University.


107. Which among the following is not correct?

  1. X-ray: Wilhelm Conrad Roentgen

  2. Telephone: Alexander Graham Bell

  3. Printing Press: Edison

  4. Computer: Charles Babbage

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Answer: 3. Printing Press: Edison

Explanation:

  • The printing press was invented by Johannes Gutenberg around 1440, not Thomas Edison.

  • Correct inventors:

    • X-ray: Wilhelm Conrad Roentgen (1895)

    • Telephone: Alexander Graham Bell (1876)

    • Computer: Charles Babbage (conceptualized the first mechanical computer)


108. Who invented the calculator?

  1. Blaise Pascal

  2. Robert Watson

  3. Greger Mendal

  4. Robert Basely

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Answer: 1. Blaise Pascal

Explanation:

  • Blaise Pascal invented the mechanical calculator (Pascaline) in 1642.

  • He built it to help his father, a tax commissioner, with calculations.

  • The Pascaline could perform addition and subtraction through a series of gears and wheels.


109. Who was the inventor of electric bulb?

  1. Archimedes

  2. Napoleon Hill

  3. Thomas Alva Edison

  4. Pythagoras

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Answer: 3. Thomas Alva Edison

Explanation:

  • Thomas Edison is credited with inventing the first practical incandescent light bulb in 1879.

  • While others had worked on electric lighting, Edison's version was durable, long-lasting, and commercially viable.

  • He also developed the electrical distribution system to power the bulbs.


110. Who are the founders of Google Search Engine and Company?

  1. Jack Dorsey and Biz stone

  2. Larry page and Sergey Brin

  3. Mark Zuckerberg and Priscilla Chan

  4. Kevin Systrom and Mike Krieger

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Answer: 2. Larry page and Sergey Brin

Explanation:

  • Google was founded by Larry Page and Sergey Brin in 1998.

  • They developed the PageRank algorithm while PhD students at Stanford University.

  • Google started as a research project called "BackRub" before becoming the world's dominant search engine.


111. Who has written the book, the 'origin of species'?

  1. Madam Currie

  2. Stephen Hawkins

  3. Charles Darwin

  4. John Dalton

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Answer: 3. Charles Darwin

Explanation:

  • "On the Origin of Species" was written by Charles Darwin and published in 1859.

  • The book introduced the scientific theory of evolution by natural selection.

  • It is considered one of the most important scientific works ever published.


112. Who was invented Ballpoint pen?

  1. Biro Brothers

  2. Waterman Brothers

  3. Bick Brothers

  4. None

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Answer: 1. Biro Brothers

Explanation:

  • This is a repeat of question 103. The answer is the same: László Bíró and his brother György Bíró invented the ballpoint pen in 1938.


113. What is the name of new drug developed by Scientist as an alternative to antibiotics?

  1. Orvactive

  2. Dalvance

  3. Staphefect

  4. Sivextro

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Answer: 3. Staphefect

Explanation:

  • Staphefect is an enzyme-based treatment developed as an alternative to antibiotics.

  • It specifically targets Staphylococcus aureus bacteria, including MRSA (methicillin-resistant Staphylococcus aureus).

  • The treatment uses endolysins, enzymes that break down bacterial cell walls.


114. Which of the following is the feature of Fifth Generation Computer?

  1. Transistor

  2. Integrated circuit

  3. Microchip

  4. Biochip

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Answer: 4. Biochip

Explanation:

  • Fifth generation computers (present and future) are characterized by:

    • Artificial intelligence

    • Natural language processing

    • Biochips (using biological molecules)

    • Quantum computing

    • Parallel processing

  • Earlier generations used transistors (2nd), integrated circuits (3rd), and microchips (4th).


115. Who invented the telephone?

  1. Thomas Alva Edison

  2. Galileo

  3. Alexander Graham Bell

  4. G. Marconi

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Answer: 3. Alexander Graham Bell

Explanation:

  • Alexander Graham Bell is credited with inventing the telephone in 1876.

  • He filed his patent ("Improvement in Telegraphy") just hours before Elisha Gray filed a similar patent.

  • Bell's first successful transmission was: "Mr. Watson, come here, I want to see you."


116. Who is the father of the personal Computer?

  1. Josh Brown

  2. Konrad Zuse

  3. Henry Edward Roberts

  4. Charles Babbage

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Answer: 4. Charles Babbage

Explanation:

  • Charles Babbage is considered the father of the computer for conceiving the first mechanical computer.

  • He designed the Difference Engine (1822) and Analytical Engine (1837).

  • While not a personal computer in the modern sense, his work laid the foundation for computing.

Note: Some consider Henry Edward Roberts (inventor of the Altair 8800) as the father of the personal computer, but Babbage is the traditional answer.


117. Who invented the 'Penicillin'?

  1. Alexander Fleming

  2. Karl Erel

  3. Louis Pasteur

  4. Edward Jenner

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Answer: 1. Alexander Fleming

Explanation:

  • This is a repeat of question 105. Alexander Fleming discovered penicillin in 1928.


118. Who is the English physicist responsible for the "Big Bang Theory"?

  1. Albert Einstein

  2. Michael Skube

  3. George Gamow

  4. Roger Penrose

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Answer: 3. George Gamow

Explanation:

  • George Gamow, a Russian-American physicist, developed the Big Bang theory in the 1940s.

  • He predicted the existence of cosmic microwave background radiation.

  • The term "Big Bang" was actually coined by Fred Hoyle, who opposed the theory.


119. Who is the Inventor of Watch?

  1. Charles Fulton

  2. Charles

  3. Waterman

  4. A.L. Breguet

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Answer: 4. A.L. Breguet

Explanation:

  • Abraham-Louis Breguet (1747-1823) was a Swiss horologist who made significant improvements to watches.

  • He invented:

    • The tourbillon (1801)

    • The Breguet overcoil (improved balance spring)

    • The first wristwatch (for Caroline Murat, Queen of Naples, in 1810)


120. Consider the following matches:

(Group I) (Group II)

  1. Printing Press Johannes Gutenberg

  2. Radar Robert Watson Watt

  3. Television Alexander Graham bell Which of the above matches is /are correct?

  4. 1 and 2 only

  5. 2 and 3 only

  6. 1 only

  7. all of above

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Answer: 1. 1 and 2 only

Explanation:

  • Match 1: CORRECT - Printing Press was invented by Johannes Gutenberg (~1440)

  • Match 2: CORRECT - Radar was developed by Robert Watson-Watt (1935)

  • Match 3: INCORRECT - Television was invented by John Logie Baird (1925), not Alexander Graham Bell


121. Who is known as the father of Mobile?

  1. Tomy Karl palm

  2. Martin cooper

  3. Justin cell

  4. Justin Cooper

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Answer: 2. Martin cooper

Explanation:

  • Martin Cooper is considered the father of the mobile phone.

  • He made the first public handheld mobile phone call on April 3, 1973.

  • Cooper was a Motorola engineer who led the team that developed the DynaTAC 8000x, the first commercial cellular phone.


122. What is the field that the famous scientist Stephen Hawking had significantly contributed to?

  1. Radiation

  2. Law of motion

  3. Quantum gravity

  4. Medicine

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Answer: 3. Quantum gravity

Explanation:

  • Stephen Hawking made significant contributions to theoretical physics, particularly:

    • Black hole thermodynamics

    • Hawking radiation (black holes emit radiation)

    • Quantum gravity (attempting to reconcile general relativity with quantum mechanics)

    • Cosmology and the origin of the universe


123. Who is the current chairman of Twitter, the famous social network?

  1. Brett Taylor

  2. Jack Dorsey

  3. Elon Musk

  4. Benjamin Franklin

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Answer: 3. Elon Musk

Explanation:

  • Elon Musk purchased Twitter (now X) in October 2022 for $44 billion.

  • He serves as the chairman and chief technology officer of the platform.

  • Jack Dorsey was the co-founder and former CEO before Musk's acquisition.


124. The world's smallest gold coin, which features Albert Einstein, is recently released by which country?

  1. France

  2. Germany

  3. Switzerland

  4. Russia

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Answer: 3. Switzerland

Explanation:

  • Switzerland released the world's smallest gold coin featuring Albert Einstein in 2020.

  • The coin weighs 0.063 grams and has a diameter of 2.96 millimeters.

  • It was minted to commemorate the 100th anniversary of Einstein's Nobel Prize.


125. Who was awarded Nobel Prize in 1945 for the discovery of penicillin and its curative effects in various infectious diseases?

  1. Louis Pasteur

  2. Sir Alexander Fleming

  3. Madam Curie

  4. None of the above

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Answer: 2. Sir Alexander Fleming

Explanation:

  • Alexander Fleming shared the 1945 Nobel Prize in Physiology or Medicine with Howard Florey and Ernst Chain.

  • Fleming was recognized for discovering penicillin (1928).

  • Florey and Chain were recognized for developing it into a usable drug.


126. Match Group I and II and choose the correct answer from the code:

Group I Group II a. Atomic Theory 1. Albert Einstein b. Law of Motion 2. Max Planck c. Quantum Theory 3. John Dalton d. Theory of Relativity 4. Isaac Newton

  1. a3, b4, c1, d2

  2. a1, b3, c2, d4

  3. a3, b4, c2, d1

  4. a4, b2, c1, d3

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Answer: 3. a3, b4, c2, d1

Explanation:

  • a. Atomic Theory - 3. John Dalton (proposed modern atomic theory in early 1800s)

  • b. Law of Motion - 4. Isaac Newton (formulated laws of motion in 1687)

  • c. Quantum Theory - 2. Max Planck (founded quantum theory in 1900)

  • d. Theory of Relativity - 1. Albert Einstein (developed special and general relativity)


127. The first successful human Space Flight was

  1. Sputnik - I

  2. Sputnik - II

  3. Apollo - I

  4. Vostok - I

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Answer: 4. Vostok - I

Explanation:

  • Vostok 1 was the first successful human spaceflight.

  • It carried Yuri Gagarin on April 12, 1961.

  • Gagarin completed one orbit of Earth in 108 minutes.


128. The first woman to reach in space is;

  1. Valentina Tereshkova

  2. Jeanette J. Epps

  3. Patricia Robertson

  4. Nadeznda Kuzhelnaya

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Answer: 1. Valentina Tereshkova

Explanation:

  • Valentina Tereshkova became the first woman in space on June 16, 1963.

  • She flew aboard Vostok 6, completing 48 orbits of Earth in nearly three days.

  • She remains the only woman to have flown a solo space mission.


129. Who was the second person to walk on the moon?

  1. Neil Alden Armstrong

  2. Alan Shepard

  3. Edwin Buzz Aldrin

  4. James B. Lrwin

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Answer: 3. Edwin Buzz Aldrin

Explanation:

  • Neil Armstrong was the first person to walk on the moon (July 20, 1969).

  • Buzz Aldrin followed him about 20 minutes later, becoming the second person.

  • Michael Collins remained in lunar orbit aboard the command module.


130. Which was the first country to enter to the Space?

  1. USA

  2. USSR

  3. UK

  4. Japan

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Answer: 2. USSR

Explanation:

  • The Soviet Union (USSR) was the first country to enter space.

  • Key firsts:

    • First artificial satellite: Sputnik 1 (1957)

    • First living creature in orbit: Laika on Sputnik 2 (1957)

    • First human in space: Yuri Gagarin on Vostok 1 (1961)


131. Which is the first artificial Satellite to orbit Earth?

  1. Explorer - I

  2. Sputnik - I

  3. Vanguard

  4. Vostok - I

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Answer: 2. Sputnik - I

Explanation:

  • Sputnik 1 was the first artificial Earth satellite.

  • It was launched by the Soviet Union on October 4, 1957.

  • The satellite orbited for three weeks before its batteries died.


132. Which of the following space agencies used a Space Craft named Hayabusa

  1. NASA

  2. CNSA

  3. JAXA

  4. ESA

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Answer: 3. JAXA

Explanation:

  • Hayabusa (meaning "peregrine falcon") is a series of Japanese spacecraft.

  • Hayabusa (2003) was the first mission to return asteroid samples to Earth.

  • Hayabusa2 (2014) successfully returned samples from asteroid Ryugu in 2020.


133. From which among the following has Nepal has launched its first Satellite Nepali Sat - I?

  1. India

  2. USA

  3. Japan

  4. China

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Answer: 2. USA

Explanation:

  • Nepal's first satellite, Nepal Sat-1, was launched from NASA's Wallops Flight Facility in Virginia, USA.

  • The launch occurred on April 17, 2019 aboard an Antares rocket.

  • The satellite was part of a joint project with Japan's Kyutech University.


134. The first flight of the Space Shuttle program by NASA was launched in

  1. 1979

  2. 1980

  3. 1981

  4. 1982

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Answer: 3. 1981

Explanation:

  • The first Space Shuttle mission (STS-1) launched on April 12, 1981.

  • The shuttle Columbia carried astronauts John Young and Robert Crippen.

  • The mission lasted 54 hours and completed 36 orbits of Earth.


135. First Person to reach into space was

  1. Alan Shepard

  2. Neil Armstrong

  3. Yuri Gargarin

  4. Vladimir Komarov

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Answer: 3. Yuri Gargarin

Explanation:

  • Yuri Gagarin was the first human in space on April 12, 1961.

  • He flew aboard Vostok 1, completing one orbit of Earth.

  • Gagarin became an international celebrity and symbol of Soviet space achievement.


136. The first human made object to orbit

  1. Apollo - I

  2. Sputnik - I

  3. Solyut - I

  4. Vostok - I

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Answer: 2. Sputnik - I

Explanation:

  • Sputnik 1 was the first human-made object to orbit Earth (October 4, 1957).

  • It was a 58 cm diameter sphere with four radio antennas.

  • Its radio signals could be heard by amateur radio operators worldwide.


137. The first successful human Space Flight was

  1. Sputnik - I

  2. Sputnik - II

  3. Apollo - I

  4. Vostok - I

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Answer: 4. Vostok - I

Explanation:

  • This is a repeat of question 127. Vostok 1 (April 12, 1961) carried Yuri Gagarin on the first successful human spaceflight.


138. The luna programme was a series of unmanned space mission launched by which country?

  1. Soviet Union

  2. USA

  3. China

  4. Japan

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Answer: 1. Soviet Union

Explanation:

  • The Luna program (1959-1976) was a series of Soviet robotic spacecraft missions to the Moon.

  • Key achievements:

    • Luna 2: First human-made object to reach the Moon (1959)

    • Luna 3: First photographs of the Moon's far side (1959)

    • Luna 9: First soft landing on the Moon (1966)

    • Luna 16: First robotic sample return (1970)