Phosphonol pyruvate (PEP) is the primary CO2 acceptor in :

  • Option 1)

    C3 plants

  • Option 2)

    C4 plants

  • Option 3)

    C2 plants

  • Option 4)

    C3 and C4 plants

 

Answers (1)

As learnt

Hatch Slack pathway -

Regular mode of CO2 fixation in number of tropical plants. First product is 4-carbon compound, hence, known as C4

- wherein

 

 In C4 plant CO2 is accepted by PEP forming oxaloacetic acid.


Option 1)

C3 plants

This option is incorrect

Option 2)

C4 plants

This option is correct

Option 3)

C2 plants

This option is incorrect

Option 4)

C3 and C4 plants

This option is incorrect

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