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Biology Ecosystem Online Quiz Test MCQs

An ecosystem is a community of living organisms in conjunction with the non-living components of their environment, interacting as a system. To to help you in checking your level of knowledge about this topic, given below is a free online quiz about Ecosystem.

Biology Ecosystem Online Quiz Test MCQs


1. Extinction of a species in a food chain is compensated by:

Question 1 of 15

2. Which animals show no inter relationship (i.e.,neutralism)?

Question 2 of 15

3. Primary succession that starts on a dry soil or rock is called:

Question 3 of 15

4. Actual place or location where an organism lives is called its:

Question 4 of 15

5. A pollutant which causes mental illness is:

Question 5 of 15

6. Primary succession that starts in a pond is called:

Question 6 of 15

7. Driving force of ecosystem is:

Question 7 of 15

8. Absence of lichens indicates atmospheric pollution by:

Question 8 of 15

9. In the coming years, skin = related disorders will be more common due to:

Question 9 of 15

10. An example of decomposer is:

Question 10 of 15

11. Succession begins by a few hardy invaders called:

Question 11 of 15

12. Major unit of ecology is:

Question 12 of 15

13. The transfer of energy from one trophic level to another is called as:

Question 13 of 15

14. An organism that feed on dead organic matter other than bacteria or fungi is called:

Question 14 of 15

15. Which is the best source of renewable energy?

Question 15 of 15


You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.


  1. Got 93%…It is a good website to test yourself…

  2. 100% as usual :p

  3. Primary succession that starts on a dry soil or rock is called xerosere not derosere

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