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Question 1 of 15
1. Question
C 4 plants are more efficient in photosynthesis than C 3 plants due to
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Question 2 of 15
2. Question
The primary acceptor, during CO 2 fixation in C 3 plants, is
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Question 3 of 15
3. Question
The correct sequence of cell organelles during photorespiration is
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Question 4 of 15
4. Question
In sugarcane plant 14CO 2 is fixed to malic acid, in which the enzyme that fixes CO 2 is
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Question 5 of 15
5. Question
Electrons from excited chlorophyll molecule of photosystem II are accepted first by
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Question 6 of 15
6. Question
Consider the following statements regarding photosynthesis.
(A) ATP formation during photosynthesis is termed as photophosphorylation.
(B) Kranz anatomy pertains to leaf.
(C) Reduction of NADP+ to NADPH occurs during Calvin cycle.
(D) In a chlorophyll molecule, magnesium is present in phytol tail.
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Question 7 of 15
7. Question
The total requirement of ATP & NADPH for each molecule of CO2 fixed & reduced in photosynthesis in the Calvin cycle is
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Question 8 of 15
8. Question
In the electron transport chain during terminal oxidation, the cytochrome, which donates electrons to O2 is
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Question 9 of 15
9. Question
With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct
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Question 10 of 15
10. Question
Study the pathway given below
In which of the following options correct words for all the three blanks A, B and C are indicated?
A B C 1 Decarboxylation Reduction Regeneration 2 Fixation Transamination Regeneration 3 Fixation Decarboxylation Regeneration 4 Carboxylation Decarboxylation Reduction CorrectIncorrect -
Question 11 of 15
11. Question
Generally, CO2 is not limiting for hydrophytes because
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Question 12 of 15
12. Question
What is called “warburg’s effect” on photosynthesis?
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Question 13 of 15
13. Question
Choose the correct combinations of labelling the carbohydrate molecule involved in the Calvin cycle
I II III 1 RuBP Triose phosphate PGA 2 PGAM RuBP Triose phosphate 3 PGA Triose phosphate RuBP 4 RuBP PGA phosphate Triose phosphate CorrectIncorrect -
Question 14 of 15
14. Question
Which fractions of the visible spectrum of solar radiations are primarily absorbed by carotenoids of the higher plants?
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Question 15 of 15
15. Question
Which one occurs both during cyclic and noncyclic modes of photophosphorylation?
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