Punjab 12th Class Biology Chapter 25 Ecosystem MCQs Test Online
Questions 12
Total Marks 24
Time 12 Mins
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Punjab 12th Class Biology Chapter 25 Ecosystem MCQs Test Online

Punjab 12th Class Biology Chapter 25 Ecosystem MCQs Test Online

 

Question 1 of 12

Biology

1. A thin layer of earth in which all living organisms exists is called:
1.
2.
3.
4.

Question 1 of 12

Question 2 of 12

2. Lithosphere includes:
1.
2.
3.
4.

Question 2 of 12

Question 3 of 12

3. The abiotic component of an ecosystem is:
1.
2.
3.
4.

Question 3 of 12

Question 4 of 12

4. A localized group of species belonging to the same species is called as (Any group of interbreeding organisms of same species that exist together in both time and space is called):
1.
2.
3.
4.

Question 4 of 12

Question 5 of 12

5. The basic functional unit of ecosystem is:
1.
2.
3.
4.

Question 5 of 12

Question 6 of 12

6. Populations of different species (plants and animals) living in the same habitat form a:
1.
2.
3.
4.

Question 6 of 12

Question 7 of 12

7. The basic functional unit of ecology is:
1.
2.
3.
4.

Question 7 of 12

Question 8 of 12

8. Study of single population's relationship to environment is called:
1.
2.
3.
4.

Question 8 of 12

Question 9 of 12

9. The whole of the world's land is called:
1.
2.
3.
4.

Question 9 of 12

Question 10 of 12

10. A group of inter-breeding individuals occurring together in a space and time is called:
1.
2.
3.
4.

Question 10 of 12

Question 11 of 12

11. Biome is a:
1.
2.
3.
4.

Question 11 of 12

Question 12 of 12

12. Study of relationship of different communities to environment is called:
1.
2.
3.
4.

Question 12 of 12


 

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