Environmental Science Online Test (Everyday Science GK)

Maan AliLast Updated: May 13, 2026
Test Name Environmental Science Online Test
Topic Everyday Science
Total Questions: 50
Time Allowed: 25 Minutes
Total Marks: 50
How to Attempt Test: Please choose the right Option in MCQ-type question.
Test Helpful For: Everyday Science Test
General Knowledge
PPSC/FPSC/CSS/NTS/KPPSC/SPSC
Interview Questions Answer
Recruitment Tests

Environmental Science is one of the most important sections of Everyday Science for Pakistani competitive exams including CSS, PMS, PPSC, FPSC, NTS, PCS, OTS, SPSC, KPPSC and other recruitment tests. This MCQ collection is specially designed for Pakistani students to strengthen conceptual understanding of environmental issues, pollution, climate change, ecosystems, biodiversity, conservation, renewable energy, and sustainable development. These questions range from basic to advanced level and include important concepts frequently asked in past papers.

Environmental Science Online Test (Everyday Science GK)

1. Which Pakistani province contains the largest mangrove forests?

2. Which type of energy produces electricity without direct carbon emissions?

3. What is the main purpose of recycling?

4. Which country hosted the first Earth Summit in 1992?

5. What does the term carbon footprint mean?

6. Which Pakistani national park is famous for the conservation of snow leopards?

7. Which renewable energy source uses underground heat?

8. Which gas is primarily responsible for global warming?

9. Which environmental issue is caused by excessive groundwater extraction?

10. Which ecosystem stores the largest amount of carbon?

11. What is the major environmental effect of oil spills?

12. Which international day is celebrated on June 5 each year?

13. Which environmental pollutant is mainly responsible for photochemical smog?

14. Which greenhouse gas has the highest heat-trapping ability?

15. Which greenhouse gas is produced mainly by rice paddies and wetlands?

16. Which atmospheric layer burns most meteors before they reach Earth?

17. Which layer of the atmosphere contains the ozone layer?

18. Which gas is the most abundant greenhouse gas in Earth’s atmosphere naturally?

19. Which renewable energy source is most widely used in Pakistan?

20. What is the major cause of deforestation in Pakistan?

21. Which gas is responsible for ozone depletion?

22. What is the main source of methane emissions globally?

23. Which international agreement aims to limit global warming to below 2°C?

24. Which environmental treaty focused on protecting the ozone layer?

25. Acid rain is mainly caused by emissions of:

26. Which country hosted COP28 in 2023?

27. Which country has the largest tropical rainforest in the world?

28. Which Pakistani city is most associated with severe winter smog?

29. Which type of pollution is measured in decibels?

30. Which term describes species found only in a particular area?

31. Which device measures atmospheric pressure?

32. The process of planting trees on barren land is called:

33. Which pollutant is mainly responsible for acidification of oceans?

34. Which environmental concept refers to reducing waste generation at the source?

35. Which forest type is found in northern Pakistan?

36. Which process converts organic waste into nutrient-rich material?

37. Which organization publishes the annual World Air Quality Report?

38. Which environmental issue is caused by excessive nutrients in water bodies?

39. What is the major source of marine plastic pollution?

40. The term biodiversity refers to:

41. What is the primary cause of coral bleaching?

42. Which environmental disaster occurred at the Chernobyl Nuclear Power Plant in 1986?


 

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Maan AliLast Updated: May 13, 2026

Maan Ali

Hey there! I'm Maan Ali, your online test prep pal. Join me in the adventure of acing exams with ease. I'll share tricks, practice tests, and all you need to rock your studies. Let's make learning fun and success a sure thing!
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