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Question
RQ of germinating Pisum sativum seed is ____.
Options:
A .  Unity
B .  More than unity
C .  Less than unity
D .  Zero
Answer: Option C
:
C
RQ or respiratory quotient is the ratio of the volume of oxygen used to the volume of carbon dioxide generated when a given substrate is respired. The RQ formost of the common fats is about 0.7. The Pisum sativumor pea seed contains a lot of fatty acids and during germination, these fats are oxidized. Therefore the RQ od germinating Pisum sativum is about 0.7, that is less than unity.

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