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BUMHS Past Papers /
Biology /
Chap No 7 /
Quiz 2

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MDCAT - BUMHS Past Papers - Biology - Chap No 7 Quiz

Attempt 10 MCQs on MDCAT - BUMHS Past Papers - Biology - Chap No 7 | Quiz 2

11. Which of following photo-system is involved in cyclic photophosphorylation?

PS-I and PS-II
PS-II
PS-III
PS-I

12. In the journey of electrons from photosystem II to photosystem I plastocyanin is reduced by:

Plastoquinone
Cytochrome complex
P700
Primary electron acceptor of PS-I

13. ATP is best defined as:

ATP
The molecule that has no role in muscle contraction
The molecule that releases energy when phosphate molecule is added
The molecule that is only present inside the nucleus

14. During the light-dependent phase of photosynthesis, the water molecule is broken down into:

2H2e and 1/2O2
2H, 2e and 2O
4H, 4e and 2O
4H, 2e and 4O

15. Photophosphorylation takes place in the of chloroplast:

Stroma
Granum
Inner membrane
Outer membrane

16. Oxygen released during photosynthesis comes from:

CO2
SO2
H2O
Glucose

17. What are the products of light-dependent reactions of photosynthesis?

ATP, RuBP, and reduced NAD
GP, Oxygen, and reduced NAD
ATP, Oxygen, and reduced NADP
GP, reduced NADP, and RuBP

18. Which of the following is the stage of cellular respiration for which oxygen is not essential:

Glycolysis
Pyruvate oxidation
Krebs cycle
Electron transport chain

19. The enzyme which is used in Calvin cycle is:

Oxidase
Reductase
Isomerase
Rubisco

20. What is the function of Ribulose?

Intermediate in photosynthesis
Intermediate in cellular respiration
Component of DNA and RNA
Component of cell wall

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