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Assertion: The color of the leaf is due ...

Assertion: The color of the leaf is due to the presence of four pigments-chlorophyll a, chlorophyll b, xanthopylls and carotenoids.
Reason: Chlorophyll b is the chief pigment associated with phosynthesis

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The correct Answer is:
C
Chlorophyll a is found in all photosynthetic plants except bacteria. Hence, it is termed as universal photosynthetic pigment. It is alos called primary photsynthetic pigment because it performs primary reaction of photosynthesis which involves covnertsion of light into chemical energy
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NCERT FINGERTIPS-PHOTOSYNTHESIS IN HIGHER PLANTS-Photosynthesis In Higher Plants
  1. Splitting of water is associated with

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  2. The correct sequency of flow of electons in the light reaction is

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  3. The enzyme that is not found in a C(3) plant is

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  5. When CO(2) is added to PEP. The first stabel product synthesised is

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  6. Assertion : Chloroplasta occur inside the leaves mostly in mesophyll c...

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  7. Assertion: The color of the leaf is due to the presence of four pigmen...

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  8. Assertion: The splitting of water is associated with PS II. Reason: ...

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  9. Assertion: The stoma lamellae have both PS I and PS II. Reason: The ...

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  10. Assertion: The proton gradient is broken down due to the movement of p...

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  11. Dark reactions are called biosynthetic phase of photosynthesis. Reas...

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  12. Assertion: The first product of CO(2) fixation in C(3) pathway is OA A...

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  13. Assertion: The C(4) plants have a speical type of leaf anatomy calle...

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  14. Assertion : The primary CO(2) acceptor in C(4) pathway is 3-carbon mol...

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  15. Assertion: In C(4) plants, the bundle sheath cells are rich in an enzy...

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  16. Assertion: In C(4) plants, photorespiration does not occurs. Reason:...

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  17. Assertion: Photorespiration is a wasteful process. Reason: In photor...

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  18. Assertion: The external factors that affected photosynthesis are numbe...

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  19. Assertion: C(3) plants respond to increased CO(2) concentration by inc...

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  20. Assertion: Tropical plants have a higher optimum temperature for phots...

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