Punjab 11th Class Biology Chapter 11 Bio Energetic Mcqs Test Online

Total Question
10 Questions
Total Marks
20 Marks
Total Time
10 Minuts
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Test Name



Ch.11 # Bio Energetics

Subject



Biology (11th Class)

Test Type



Mcqs


Punjab 11th Class Biology Chapter 11 Bio Energetic Mcqs Test Online

Biology Chapter 11 Bio Energetic Mcqs Test Online Punjab Class 11th

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Question 1 of 10

Biology

1. ATP synthesis during light reactions is

Question 1 of 10

Question 2 of 10

2. During dark reactions the three carbon atoms of 3-PGA are derived from

Question 2 of 10

Question 3 of 10

3. In C₄ plants, fixation of CO₂ occurs in

Question 3 of 10

Question 4 of 10

4. Carbon dioxide labeled with ¹⁴C has been used to identify the intermediate compounds in the Calvin cycle, the light-independent stage in photosynthesis. Which compound would be the first to contain the ¹⁴C?

Question 4 of 10

Question 5 of 10

5. Photo respiration takes place only in

Question 5 of 10

Question 6 of 10

6. What are the products of the light reactions in photosynthesis?

Question 6 of 10

Question 7 of 10

7. In C₃ plants first stable product of photosynthesis during dark reaction is:

Question 7 of 10

Question 8 of 10

8. Chlorophyll is soluble in

Question 8 of 10

Question 9 of 10

9. Removal of the source of carbon dioxide from photosynthesizing chloroplasts results in rapid changes in the concentration of certain chemicals.

Which one of the following represents the correct combination of concentration changes?

ATP

Ribulose bishposphate

Phosphoglyceric acid (PGA)

A

Decreases

Decreases

Increases

B

Decreases

Increases

No change

C

Increases

Increases

Decreases

D

Increases

No change

Increases

Question 9 of 10

Question 10 of 10

10. During the light dependent stage of photosynthesis, the photo activated pigment removes an electron from the hydroxylation derived from the water molecule. The fate of the free hydroxyl radical is that it:

Question 10 of 10


 

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