A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rates of photosynthesis at high temperatures and has improved efficiency of nitrogen utilisation. In which of the following physiological groups would you assign this plant?

  • Option 1)

    C3

  • Option 2)

    C4

  • Option 3)

    CAM

  • Option 4)

    Nitrogen fixer

 

Answers (1)

As discussed in

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 C_4 pathway, photorespiration is negligible and rate of photosynthesis is increased at higher temperature.

 

 


Option 1)

C3

Incorrect option

Option 2)

C4

Correct option

Option 3)

CAM

Incorrect option

Option 4)

Nitrogen fixer

Incorrect option

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