Biology Ecosystem Test Mcqs Online Preparation

Biology Ecosystem Test Mcqs With Answers Online Preparation Start Below

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Question 1 of 15

1. Similar group of individuals who can interbreed in nature and produce organism of their own kind forms:
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. The average biomass conservation efficiency of an organism is:
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. Three principle stages of nitrogen cycle are
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. How much energy is transferred from one tropic level to the next in food chain?
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. An ecosystem without its abiotic factors is known as:
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. Which of the following in not recycled in ecosystem.
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. Which is correct food chain?
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. In nitrogen cycle, bacteria that converts relatively toxic nitrite to nitrate is:
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. In each case succession is initiated by a few hardy invader called
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

10. Incorrect statement about niche is
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. Denitrifying bacteria are
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

12. Food web is made of
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. Communities and their physical environment is called
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. Climax communities have
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

15. Competition among the members of the same species is:
A.
B.
C.
D.

Question 15 of 15


 

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