Botany-Respiratory Quotient
NEET Botany Respiratory Quotient MCQ Question
Type: MCQ-numerical-Medium-Class 11
If a plant is respiring using a substrate that results in the release of 30 mL of CO2 and the consumption of 40 mL of O2, what is the respiratory quotient (RQ) for this substrate?
A
0.75
B
1.25
C
1.0
D
0.5
Correct Answer
Option A
Detailed Explanation
The respiratory quotient (RQ) is calculated as the ratio of the volume of CO2 evolved to the volume of O2 consumed. Here, RQ = 30 mL CO2 / 40 mL O2 = 0.75.
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