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With reference to factors affecting the ...

With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct ?

A

Increasing atmospheric `CO_2` concentration upto 0.05% can enhance `CO_2 -` fixation rate.

B

`C_3 `plants respond to high temperature with enhanced photosynthesis while `C_4 `plants have much lower temperature optimum.

C

Tomato is a greenhouse crop which can be grown in `CO_2 ` - enriched atmosphere for higher yield.

D

Light saturation for `CO_2`- fixation occurs at 10% of full sunlight.

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The correct Answer is:
B
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MODERN PUBLICATION-PHOTOSYNTHESIS IN HIGHER PLANTS-COMPETITION FILE (OBJECTIVE TYPE QUESTIONS )(A. MULTIPLE CHOICE QUESTIONS (MCQs):
  1. Photosynthetically active radiation (PAR) represents the following ran...

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  2. Which elements are essential for the photophosphorylation?

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  3. Kranz anatomy is usually associated with

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  4. Which of the following statements regarding C(4) pathway is false

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  5. Consider the following statements with respect to photosynthesis (A) T...

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  6. Which reaction is given by Cornelius Van Niel:

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  7. Extrusion of electron from reaction centre of PS II leaves a hole whic...

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  8. Bundle sheath cells

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  9. Synthesis of one glucose molecule requires- reduced NADP molecules

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  10. Chlorophyll molecules are located in

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  11. The enzyme resonsible for primary carboxylation in C(3) plants is

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  12. In C3 -plants the first stable compound formed after CO2 fixation is

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  13. Chloroplasts in higher plants are------shaped

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  14. In photosynthesis, the light-independent reactions take place in

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  15. Chromatophores take part in

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  16. A plant in your garden avoids photorespiratory losses, has improved wa...

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  17. Phytochrome is

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  18. The process which makes major difference between C(3) and C(4) plants ...

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  19. With reference to factors affecting the rate of photosynthesis, which ...

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  20. Phosphoenol pyruvate (PEP) is the primary CO(2) acceptor in

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