Online MCQs Test – Man and His Environment – Biology 10th

1. It is an essential constituent of protein.

2. The main cause of acid rain is:

3. The cold war between the organisms of a community occupying the same habitat is called:

4. The decomposed dead animals and plants called:

5. Graphic presentation of members of the population in an area at different trophic levels is called

6. Any biological region recognized by its climate or vegetation is called:

7. Enzyme activities of metabolic reactions are also altered with the changes in:

8. The group of organisms that belongs to the same species live in a particular area called:

9. The group of populations that lives in a particular area of habitat and interacts with each other is called:

10. Process of converting nitrogenous compound into free nitrogen called:

11. All biogeochemical cycles are closely interlinked with:

12. A bird that gets its energy and food when it eats grasshopper or caterpillar is:

13. Burning of fossil fuels results in:

14. An area where community interacts with non-living environment is called:

15. Process where the nitrogenous compound of living organism convert into nitrates is called:

16. Which of the following greenhouse gases is present in very high quantities?

17. The association between two different types of organisms which get benefit to each other, cannot live without each other is called:

18. The growth and life processes of living organisms require about:

19. Main cause of depletion of the ozone layer is the CFC used as the propellant in:

20. Respiration consumes it for the combustion of food for release of energy.