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The first step in dark reaction of photo...

The first step in dark reaction of photosynthesis is

A

Formation of ATP

B

Attachment of carbon dioxide to a pentose sugar

C

Excitement of an electron of chlorophyll by photon of light

D

Ionisation of water

Text Solution

Verified by Experts

The correct Answer is:
B
The first step in dark reaction of photosynthesis is attachment of carbon dioxide to a pentose sugar.
`underset("Pentose sugar")(RuBP)+CO_(2) to PGA`
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A2Z-PHOTOSYNTHESIS IN HIGHER PLANTS-Section A : Topicwise Questions Topic 3 : Dark Reaction (the Calvin Cycle)
  1. The experimental material that has largely been responsible for making...

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  2. In C(3) plants, the first stable product of photosynthesis during dark...

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  3. During dark reaction the three carbon atoms of 3-PGA are derived from

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  4. In photosynthesis

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  5. Dark reaction of photosynthesis is

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  6. For synthesis of a molecule of glucose. the requirement of ATP and NAD...

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  7. Nobel Prize was awarded to the scientist for discovering the pathway o...

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  8. A molecule of glucose is fonned in Calvin cycle from

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  9. Which statement about photosynthesis is false?

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  10. In a condensed schematic representation of drak reaction of photosynth...

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  11. About 71% of total global carbon is found is

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  12. PGA is reduced through

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  13. The Calvin cycle proceeds in three stages (1) Reduction, during whic...

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  14. Calvin cycle involves

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  15. 3-PGA is first stable product of

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  16. Carbon in carbon dioxide is radioactively labelled. The product in whi...

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  17. How much oxygen is formed from 264 g of CO(2) and 216 g of H(2)O ?

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  18. The first step in dark reaction of photosynthesis is

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  19. RuBisCO is enzyme for

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  20. Dark reactions of photosynthesis occur in

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