1. Producers are also known as:
2. All green plants are called:
3. How much energy of the sunlight is captured by green plants?
4. Name the layer which protects the earth from harmful radiations.
5. Which radiation is absorbed by ozone ?
6. The undesirable change in physical, chemical or biological characteristics of our soil, air or water is called:
7. Which one of the following is not a fossil fuel ?
8. What is the full form of BHC ?
9. Acid rain effects:
10. Name an occupational disease in which vocal cords are affected.
11. The fertile surface layer of the earth capable of supporting plant growth is called:
12. How many sanctuaries are in india ?
13. What kinds of consumers are insects, rabbit & roddent ?
14. What kinds of consumers are hawk, tiger & lion ?
15. A chemical that is used to kill a pest organism is known as:
16. A group of gram-negative rod shaped bacteria that are found in human intestine is called:
17. A plant whose flowers contain either stamens or carpels but not both, such plant is called:
18. A plant whose flowers contain stamens and carpels both, such plant is called:
19. The terminal part of carpel is called:
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