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

1. The main contributors of acid rain are:

2. Acid rain causes damage to:

3. The amount of solid waste or concentration of gases other than oxygen increase in the atmosphere is called:

4. The transfer of food material from producers through some organisms with repeated eating and being eaten is called:

5. The elements in the ecosystem recycle through organisms with the environment is called:

6. The decomposed dead animals and plants called:

7. Growth of algae with very high rate due to increase in phosphorous and nitrogen-containing compounds called:

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

9. The area where an organism lives is called its:

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

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

12. Burning of fossil fuels results in:

13. One of the important constituent of protein and DNA.

14. The term describes how the ecosystem is organized in a state of stability where species exist with other species and the environment.

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

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

17. It is an essential constituent of protein.

18. All biogeochemical cycles are closely interlinked with:

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

20. A kind of spiral-shaped bacteria, spirochaete, living between our teeth to obtain food is a good example of: