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In C4) pathway, CO(2) fixation in mesoph...

In `C_4)` pathway, `CO_(2)` fixation in mesophyll cells is carried out by the enzyme

A

pyruvate dehydrogenase

B

pyruvate decarboxylase

C

PEP carboxylase

D

RuBisCO

Text Solution

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The correct Answer is:
C
In `C_4`-plants initial fixation of `CO_2` occurs in mesophyll cells. The primary acceptor of `CO_2` is phosphoenol pyruvate or PEP. It combones with ` CO_2` in the presence of PEP carboxylate to form oxaloacetic acid.
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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 )
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  2. CAM pathway is observed in

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  3. In C4) pathway, CO(2) fixation in mesophyll cells is carried out by th...

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  4. Which one of the following statements about the events of non-cyclic p...

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  5. Photosynthesis bacteria have

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  6. Cyclic photosphorylation links to

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  7. The correct sequence of cell organelles during photores piration is

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  8. Kranz anatomy is typical of

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  9. The essential element needed for water splitting in photosynthesis lea...

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  10. In overall process of photosynthesis, the number of CO(2) water, sugar...

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  11. During Calvin cycle the total number of CO(2), ATP and NADPH molecules...

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  12. Which one occurs both during cyclic and non-cyclic modes of photophosp...

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

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  14. In which cells of leaf, pyruvate is coverted to PEP in C(4) pathway

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  15. Cyclic photophosphorylation results in the formation of :

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  16. CAM helps the plants in

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  17. Presence of bundle sheath is a characteristic of

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  18. In C(4) plants, the bundle sheath cells

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  19. Very strong light has a direct inhibiting effect on photosyntehsis , w...

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  20. Plastocyanin contains

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