World Environment Day Quiz 2025

World Environment Day Quiz 2025 Questions with answers: Challenge your knowledge on environmental issues, sustainability, and conservation. Participate in school competitions on June 5th, 2025, to raise awareness, inspire action, and promote eco-friendly habits for a greener future. Engage, learn, and make a difference!

1. When is World Environment Day celebrated?
June 5

2. What is the theme of World Environment Day 2025?
Ending Plastic Pollution Globally

3. Which organization leads World Environment Day ?
United Nations Environment Programme (UNEP)

4. Which gas is primarily responsible for global warming?
Answer: Carbon dioxide (CO2)

5. Which international agreement aims to combat climate change?
Answer: Paris Agreement

6. Which day is celebrated as Earth Day?
Answer: April 22

7. Which organization publishes the annual State of the Global Climate report?
Answer: World Meteorological Organization (WMO)

8. What is the world's largest living structure?
Answer:Great Barrier Reef 

9. Which gas is responsible for ozone depletion?
Answer: Chlorofluorocarbons (CFCs)

10. What is the largest environmental organization?
Answer: United Nations Environment Programme (UNEP)

11. Which country has the largest carbon footprint?
Answer: China

12. What is the world's largest desert?
Answer: Sahara Desert

13. Which river is considered the lifeline of India?
Answer: Ganges River

14. What is the world's largest rainforest?
Answer: Amazon Rainforest

15. Which organization publishes the Red List of threatened species?
Answer: International Union for Conservation of Nature (IUCN)

16. What is the significance of the Montreal Protocol?
Answer: Protection of the ozone layer

17 Which day is celebrated as Earth Hour?
Answer: Last Saturday of March

18. Where is the venue for environment day celebration 2025?

Answer: The Republic of Korea's Jeju Province

( Thanks for the comment)

19. Where was the venue for environment day celebration 2024?

Answer: Saudi Arabia

20. Where was the venue for environment day celebration 2023?

Answer: Ivory Coast 

General knowledge simple science questions for kids 2025

Here are some simple general knowledge science questions for kids.

 

1. Who is known as the father of modern chemistry?

A. Antoine Lavoisier

B. Dmitri Mendeleev

C. Robert Boyle

D. Joseph Priestley

Answer: A. Antoine Lavoisier

2. What is the chemical symbol for gold?

A. Ag

B. Au

C. Hg

D. Pb

Answer: B. Au

3. Which gas makes up about 78% of the Earth's atmosphere?

A. Oxygen

B. Nitrogen

C. Carbon dioxide

D. Helium

Answer: B. Nitrogen

4. What is the process by which plants convert sunlight into energy?

A. Respiration

B. Photosynthesis

C. Fermentation

D. Transpiration

Answer: B. Photosynthesis

5. What is the hardest naturally occurring substance?

A. Diamond

B. Graphite

C. Quartz

D. Corundum

Answer: A. Diamond

6. What is the chemical symbol for water?

A. H2O

B. CO2

C. O2

D. N2

Answer: A. H2O

7. Which element has the atomic number 1?

A. Helium

B. Hydrogen

C. Oxygen

D. Nitrogen

Answer: B. Hydrogen

8. What is the process of rusting an example of?

A. Combustion

B. Oxidation

C. Fermentation

D. Polymerization

Answer: B. Oxidation

9. Which scientist discovered the element phosphorus?

A. Robert Boyle

B. Antoine Lavoisier

C. Hennig Brand

D. Joseph Priestley

Answer: C. Hennig Brand

10. What is the term for a substance that speeds up a chemical reaction without being consumed?

A. Catalyst

B. Reactant

C. Product

D. Inhibitor

Answer: A. Catalyst

11. What is the chemical symbol for Mercury?

A. Ag

B. Au

C. Hg

D. Pb

Answer: C. Hg

12. Which type of bond involves the sharing of electrons between atoms?

A. Ionic bond

B. Covalent bond

C. Hydrogen bond

D. Electrostatic bond

Answer: B. Covalent bond

13. What is the pH of a neutral solution?

A. 0

B. 7

C. 14

D. 28

Answer: B. 7

14. Which element is a noble gas?

A. Carbon

B. Oxygen

C. Neon

D. Nitrogen

Answer: C. Neon

15. What is the process of combining two or more liquids that don't normally mix?

A. Emulsification

B. Polymerization

C. Fermentation

D. Distillation

Answer: A. Emulsification

16. Who developed the periodic table?

A. Antoine Lavoisier

B. Dmitri Mendeleev

C. Robert Boyle

D. Joseph Priestley

Answer: B. Dmitri Mendeleev

17. What is the chemical symbol for silver?

A. Ag

B. Au

C. Hg

D. Pb

Answer: A. Ag

18. Which type of reaction involves the release of heat?

A. Endothermic

B. Exothermic

C. Catalytic

D. Neutralization

Answer: B. Exothermic

19. What is the study of the properties and behavior of metals?

A. Metallurgy

B. Mineralogy

C. Geology

D. Materials science

Answer: A. Metallurgy

20. What is the term for a substance that donates a proton (H+ ion)?

A. Acid

B. Base

C. Salt

D. Catalyst

Answer: A. Acid

For more general knowledge simple chemistry questions visit Chemistry General knowledge questions

Current affairs current affairs

Daily Current affairs 2025

1. What is the theme of the Republic Day in 2025 ?
Answer: Swarnim Bharat - Virasat aur Vikas

2. Which is India's first national cooperative university ?
Answer: Tribhuvan Sahkari University (Gujarat)

3. Which country has been certified malaria-free by WHO in January 2025?
Answer: Georgia

4. Which state started digital tree aadhaar to preserve Chinar trees on 2025 ?
Answer: Jammu and Kashmir

5. Who presented the most consecutive budget in india?
Answer Nirmala Sitharaman ( 8 th consecutive on 2025)

6. Who won the C K Nayudu Lifetime Achievement Award 2025?
Answer Sachin Tendulkar

7. Who won the under19 women's T20 World Cup 2025?
Answer India ( defeating south africa)

8. Which country declared 2025 as the year of Community?
Answer: UAE

9. Who took charge as the 26th Chief Election Commissioner of India on  February 2025?
Answer Gyanesh Kumar

10. What is the theme for World Environment Day 2025?
Answer : Ending Global Plastic Pollution

11. Which country will host world environment day in 2025?
Answer: The Republic of Korea

12. Who is the chief guest of the Republic Day 2025 (76th) ?
Answer: Prabowo Subianto (Indonesian president)

2025 Current Affairs: Monthly Updates for Competitive Exams

Stay updated with the latest current affairs 2025 - 2026 for competitive exams like UPSC, bank exams, and more with us

1. Which is the world book capital in 2025?

Answer : Rio de Janeiro

2. The International Kite Festival of 2025 held in which city?

Answer : Ahmedabad

3. Kho Kho World Cup of 2025 held in ?

Answer : New Delhi

5. 2025 National Games of India held in which state? 

Answer : Uttarakhand

6. Khelo India Youth Games 2025, held in which state?

Answer: Bihar

7. The 18th Pravasi Bharatiya Divas (NRI Day) 2025 Convention was held in which city?

Answer : Bhubaneswar

8. The Maha Kumbh Mela 2025 was held in which place? 

Answer : Prayagraj, Uttar Pradesh

9. The 31st National Children's Science Congress 2025 took place in which place?

Answer - Bhopal

10. Which country will host the FIDE chess world cup in 2025?

Answer : India 

11. Which city hosted World Future Energy Summit 2025 ?

Answer: Abu Dhabi

Get Ready for 2025 Current Affairs Updates!*

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- *National News*: Important events and developments in India

- *International News*: Global happenings and trends

- *Awards and Honors*: Prestigious recognitions and accolades

- *Appointments*: Latest nominations and inductions

Stay ahead in your preparation for competitive exams like UPSC, Bank Exams, and SSC with our comprehensive current affairs updates.

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Note: Current affairs information is time-sensitive and may lose relevance over time. But don't worry you have our daily updating current affairs page 'who is who' for rapid review. Don't forget to quickly refer to it before your competitive exams like UPSC, Bank Exams, KPSC or SSC.