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First reaction in photosynthesis is...

First reaction in photosynthesis is

A

photolysis of water

B

excitation of chlorophyll moleucles

C

formation of ATP

D

fixation of `CO_2`

Text Solution

Verified by Experts

The correct Answer is:
B
Excitation of chlorophyll molecule is the first reaction . During photosynthesis, which helps in splitting of water (photolysis).
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ARIHANT NEET-PHOTOSYNTHESIS IN HIGHERF PLANTS -Chapter Exercies (C Medical entrances Gallery ) (Collection of questions asked in NEET & Various Medical Entrance Exams )
  1. NH3 is released from

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  2. Photolysis of water by isolated chloroplasts was demonstrated by

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  3. First reaction in photosynthesis is

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  4. In CAM plants, CO(2) required for photosynthesis enters the plant duri...

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  5. Photosynthesis cannot continue for long if during light reaction , onl...

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  6. Consider the following statements (A) The portion of the spectrum be...

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  7. Which of the following statements with reagards to photosynthesis is/a...

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  8. Consider the following statements regarding photosynthesis (A) ATP f...

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  9. How many full turns of the Calvin cycle are required to make one molec...

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  10. Photosynthetically active radiation (PAR) represents the following ran...

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  11. The carbon dioxide acceptor in CAM plants is

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  12. Plants adapted to low light intensity have

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  13. Photosynthesis is maximum in

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  14. PS-I and PS-II , were discovered by

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  15. In photosynthesis , energy from light reaction to dark reaction is...

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  16. C(2) plants differ from C(3) plants with respect to

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  17. The absorption spectrum of chlorophyll

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  18. In grana of chloroplast , the reaction ADP+Pi=ATP during day shows

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  19. Photosynthesis in C(4) plants is relatively less limited by atmospheri...

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  20. photoyisis of each water molecule in light reaction will yield

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