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. Phytoplanktons are
1.
2.
3.
4.

Question 1 of 10

Question 2 of 10

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

Question 2 of 10

Question 3 of 10

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

Question 3 of 10

Question 4 of 10

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

Question 4 of 10

Question 5 of 10

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

Question 5 of 10

Question 6 of 10

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

Question 6 of 10

Question 7 of 10

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

Question 7 of 10

Question 8 of 10

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

Question 8 of 10

Question 9 of 10

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

Question 9 of 10

Question 10 of 10

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

Question 10 of 10


 

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