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NEET2007BotanyPhotosynthesis in Higher PlantsActual

In the leaves of C ₄ plants, malic acid formation during CO ₂ fixation occurs in the cells of:

Options

  1. Abundle sheath
  2. Bphloem
  3. Cepidermis
  4. Dmesophyll.

Correct answer

D. mesophyll.

Step-by-step solution

C ₄ plants have Kranz anatomy consisting of mesophyll and bundle sheath cells. In mesophyll cells, PEP functions as CO ₂ acceptor and forms oxalic acid. Later, oxalic acid is reduced to malic acid. Finally, malic acid is transferred to bundle sheath cells.

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