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First reaction in photosynthesis is...

First reaction in photosynthesis is

A

Photolysis of water

B

Excitation of chlorophyll molecules

C

Formation of ATP

D

Fixation of `CO_(2)`

Text Solution

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The correct Answer is:
B
First reaction in photosynthesis is excitation of chlorophyll molecules by light absorption.
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A2Z-PHOTOSYNTHESIS IN HIGHER PLANTS-Section A : Topicwise Questions Topic 2 : Light Reaction (the Electron Transport , Cyclic And Non-cy
  1. Water releases protons. Twelve water molecules will release

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  2. Number of chlorophyll arranged per reaction centre in the light harves...

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  3. ATP synthase of chloroplasts is similar to that of

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  4. Non-cyclic photophosphorylation produces

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  5. In electron transport system, the last electron acceptor of photophosp...

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  6. ADPto ATP reaction occurs when two protons (H^(+)) are passed from

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  7. ETC of photosynthesis process is

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  8. The core metal of chlorophyll is Or Which element is left when ch...

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  9. PS I and PS II occur over

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  10. Steps in non-cyclic photophosphorylation include passage of electrons ...

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  11. Carbon dioxide joins the photosynthetic pathway in

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  12. First reaction in photosynthesis is

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  13. Recognise the figure and find out the correct matching

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  14. Which pigment acts directly to convert light energy to chemical energy...

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  15. Which of the following contains copper?

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  16. The process of photophosphorylation was discovered by

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  17. In photosynthesis, photolysis of water is used in

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  18. ATP formation in chloroplast and mitochondrion is explained by

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  19. Constituents of pigment system I are located on

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  20. ATP synthesis during light reaction is

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