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Question 13840
NEET Biology · Hard

Photosynthesis in Higher Plants: Water Stress MCQ

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Water StressHardQuestion 13840

Question

Water shortage reduces photosynthesis significantly because it often causes:

  1. A
    Stomatal closure and reduced CO2 entry
    Correct
  2. B
    Direct increase of RuBisCO only
  3. C
    Permanent gain of chlorophyll
  4. D
    Increase in transpiration always

Correct answer

Stomatal closure and reduced CO2 entry

Explanation

Water stress closes stomata and limits CO2 availability inside leaves.

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