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Question: Answered & Verified by Expert
In leaves of $\mathrm{C}_4$ plants malic acid synthesis during $\mathrm{CO}_2$ fixation occurs in
BiologyPhotosynthesis in Higher PlantsJIPMERJIPMER 2011
Options:
  • A bundle sheath
  • B mesophyll
  • C epidermis
  • D guard cells
Solution:
2043 Upvotes Verified Answer
The correct answer is: mesophyll
In $\mathrm{C}_4$-plants $\mathrm{CO}_2$ combines with phosphoenol pyruvic acid to form oxaloacetic acid in mesophyll chloroplasts. It is further reduced to malic acid which is transferred to chloroplast in bundle sheath cells.

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