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NEET 2016
Exam
NEET
Year
2016
Subject
Botany
Chapter
Transport in Plants

NEET 2016 · Botany · Transport in Plants

Water vapour comes out from the plant leaf through the stomatal...

Water vapour comes out from the plant leaf through the stomatal opening. Through the same stomatal opening, carbon dioxide diffuses into the plant during photosynthesis. Reason out the above statements using one of the following options:

Options

  1. ABoth processes cannot happen simultaneously
  2. BBoth processes can happen together because the diffusion coefficient of water and CO2C{O}_{2} is different
  3. CThe above processes happen only during night time
  4. DOne process occurs during day time, and the other at night

Correct answer

B. Both processes can happen together because the diffusion coefficient of water and CO2C{O}_{2} is different

Step-by-step solution

Water vapour comes out and CO2C{O}_{2} diffuses simultaneously through stomatal opening because the diffusion coefficient of water and CO2C{O}_{2} is different and it moves along its concentration gradient.
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