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
Entry Test Biology MCQs
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Competitive Exams
All Punjab Boards Annual Exams



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. Only 30% of Earth is:
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. Fresh water ecosystem covers less than:
1.
2.
3.
4.

Question 3 of 10

Question 4 of 10

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

Question 4 of 10

Question 5 of 10

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

Question 7 of 10

Question 8 of 10

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

Question 8 of 10

Question 9 of 10

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

Question 9 of 10

Question 10 of 10

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

Question 10 of 10


 

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