Punjab 12th Class Biology Chapter 26 Some major Ecosystems MCQs Test Online
Questions 10
Total Marks 20
Time 10 Mins
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Punjab 12th Class Biology Chapter 26 Some major Ecosystems MCQs Test Online

Punjab 12th Class Biology Chapter 26 Some major Ecosystems MCQs Test Online

 

Question 1 of 10

Biology

1. The aquatic ecosystem, near shore zone is called:
The zone, rich in life, in a freshwater lake is called:
1.
2.
3.
4.

Question 1 of 10

Question 2 of 10

2. Phytoplanktons are drifting:
1.
2.
3.
4.

Question 2 of 10

Question 3 of 10

3. Phytoplanktons are
1.
2.
3.
4.

Question 3 of 10

Question 4 of 10

4. Drifting or floating microscopic animals and plants are called:
1.
2.
3.
4.

Question 4 of 10

Question 5 of 10

5. Limnetic phytoplanktons include the / Producers of limnetic zone are
1.
2.
3.
4.

Question 5 of 10

Question 6 of 10

6. Only 30% of Earth is:
1.
2.
3.
4.

Question 6 of 10

Question 7 of 10

7. A little light is left to power photosynthesis at the depth of:
1.
2.
3.
4.

Question 7 of 10

Question 8 of 10

8. The light in this zone is insufficient to support photosynthesis.
1.
2.
3.
4.

Question 8 of 10

Question 9 of 10

9. Nutrients tend to be concentrated near the bottom sediments
1.
2.
3.
4.

Question 9 of 10

Question 10 of 10

10. Fresh water ecosystem covers less than:
1.
2.
3.
4.

Question 10 of 10


 

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