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It is difficult for most plants to carry...

It is difficult for most plants to carryout photosynthesis in very hot, dry environments why ?

A

Very intense light over powers pigment molecules

B

The closing of somata keeps away `CO_2` from entering and `O_2` from leaving plants

C

`CO_2` build up in the leaves , blocking carbon fixation

D

None of the above

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-PHOTOSYNTHESIS IN HIGHER PLANTS -Exercise - III
  1. It is difficult for most plants to carryout photosynthesis in very hot...

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  2. Phosphoenol pyruvate (PEP) is the primary CO2 acceptor in :

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  3. With reference to factors affecting the rate of Photosynthesis, which ...

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  4. Emerson's enhancement effect and Red drop. have been instrumental is t...

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  5. Oxygenic photosynthesis occurs in

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  6. Anoxygenic photosynthesis is characteristic of

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  7. Transition state structure of the substate formed during an enzymatic ...

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  8. An aleg which can be employed as food for human beings

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  9. Read the following four statements (A-D) Both , A) Photophosphoryl...

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  10. Which one of the following organisms is correctly matched with its thr...

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  11. The process that makes important difference between C3 and C4 plants ...

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  12. Kranz anatomy is typical of .

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  13. The process that makes important difference between C3 and C4 plants ...

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  14. The correct sequence of cell organelles during Photorespiraition is

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  15. Of the total incident solar rediation the proportion of PAR is

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  16. CAM helps the plants in

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  17. In Kranz anatomy , the bundle sheath cells have

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  18. PGA as the first carbon dioxide fixation product was discovered in Pho...

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  19. C4 Plants are more efficient Photosynthesis than C3 plants due to

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  20. Study the pathway given below: In which of the following options...

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  21. Read the following four statements ,A,B,C and D select the right optio...

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