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

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

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

3. The main contributors of acid rain are:

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

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

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

7. It is an essential constituent of protein.

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

9. The decomposed dead animals and plants called:

10. All the life on the earth is based on:

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

12. They are the primary source of energy for other organisms.

13. It is an association between the two organisms of different species which live together.

14. All biogeochemical cycles are closely interlinked with:

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

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

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

18. Burning of fossil fuels results in:

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

20. Competition between the members of different species is: