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

Total Question
10 Questions
Total Marks
20 Marks
Total Time
10 Minuts
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12th Biology Class Test
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Test Name



Ch. 26 # Some major Ecosystems

Subject



Biology (12th Class)

Test Type



MCQs


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

Question 2 of 10

Question 3 of 10

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

Question 3 of 10

Question 4 of 10

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

Question 4 of 10

Question 5 of 10

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

Question 5 of 10

Question 6 of 10

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

Question 6 of 10

Question 7 of 10

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

Question 9 of 10

Question 10 of 10

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

Question 10 of 10


 

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