Punjab 11th Class Biology Chapter 11 Bio Energetic Mcqs Test Online
Questions 10
Total Marks 20
Time 10 Mins
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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. In C₃ plants first stable product of photosynthesis during dark reaction is:

Question 1 of 10

Question 2 of 10

2. Chlorophyll is soluble in

Question 2 of 10

Question 3 of 10

3. ATP synthesis during light reactions is

Question 3 of 10

Question 4 of 10

4. 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 4 of 10

Question 5 of 10

5. 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 5 of 10

Question 6 of 10

6. 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 6 of 10

Question 7 of 10

7. In C₄ plants, fixation of CO₂ occurs in

Question 7 of 10

Question 8 of 10

8. Photo respiration takes place only in

Question 8 of 10

Question 9 of 10

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

Question 9 of 10

Question 10 of 10

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

Question 10 of 10


 

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