Botany-(general)
NEET Botany (general) MCQ Question
Type: MCQ-numerical-Easy-Class 11
If the concentration of CO2 in the atmosphere increases from 0.04% to 0.05%, what effect will this have on the rate of photosynthesis in C3 plants under high light intensity?
A
Increase in photosynthesis rate
B
No change in photosynthesis rate
C
Decrease in photosynthesis rate
D
Photosynthesis rate becomes zero
Correct Answer
Option A
Detailed Explanation
The NCERT context states that an increase in CO2 concentration up to 0.05% can cause an increase in CO2 fixation rates, especially under high light intensities in C3 plants.
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