File Details:

Questions:

1. What is the correct sequence of the food chain?
2. Define an ecosystem.
3. By how many times is the oxygen content in air greater than in water?
4. Name the two components of an ecosystem.
5. What is the percentage of carbon dioxide in the atmosphere?
6. Where in India is the Babbar Lion found?
7. Where is the ozone hole located?
8. What was the main cause of the Minamata epidemic?
9. Which gas is most responsible for the greenhouse effect?
10. Name the most important indoor air pollutant.
11. What happens when air pollutants mix with rain?
12. What is affected by population explosion?
13. How does oil in water affect fish?
14. Which type of particle lacks penetration power?
15. Which factors enhance the frequency of earthquakes?
16. List the advantages of rainwater harvesting.
17. What is the term for the accumulation of non-biodegradable materials in the food chain?
18. As per the Forest Act, name any cultivation type considered as non-forest activity.
19. In which year was the Wildlife Protection Act introduced?
20. How many biosphere reserves are there in India?
21. Which type of coal has the maximum carbon and calorific value?
22. Name the farming technique with minimal disturbance to SOCI.
23. What are the major causes of desertification?
24. Who helps maintain balance in the atmosphere?
25. What is the role of green plants in forest ecosystems?
26. What are considered topographic factors?
27. What is the optimum temperature range for most plants?
28. In which state is Kanha National Park located?
29. Which gas is not a greenhouse gas?
30. What components make up the environment?
31. What happens during a flood?
32. What type of pollutant is PAN classified as?
33. Where is Tehri Dam located?
34. Name a radioactive element.
35. What happens to energy not used or passed along in a food chain pyramid?
36. What information is found in the Red Data Book?
37. What is 'Jhuming'?
38. Name an underwater source.
39. Which states benefit from the Tehri Dam for drinking water?
40. What do dams affect?
41. What is India's position in global plant diversity?
42. Name a threatened plant species in India.
43. Which gas was leaked during the Bhopal Gas Tragedy?
44. What is the main air pollutant?
45. What causes the disease tetanus?
46. What is the primary disease caused by polluted water?
47. What are small planktons called?
48. Which region has the maximum biodiversity?
49. What is the importance of an ecosystem focused on?
50. What is soil erosion related to?