Assertion : Photorespiration is found in all plants. Reason: In $\mathrm{C}_4$ plants, first $\mathrm{CO}_2$…

Assertion : Photorespiration is found in all plants. Reason: In $\mathrm{C}_4$ plants, first $\mathrm{CO}_2$ fixation product is formed in bundle sheath cells.
  1. If both assertion and reason are true and reason is the correct explanation of assertion.
  2. If both assertion and reason are true but reason is not the correct explanation of assertion.
  3. If assertion is true but reason is false.
  4. If both assertion and reason are false.

Solution

Photorespiration is pronounced in $\mathrm{C}_3$ plants and negligible in $\mathrm{C}_4$ plants. $\mathrm{In}_4$ plants, initial fixation of carbon dioxide occurs in mesophyll cells.

Asked in: NEET 2012 (Screening)

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