The R.Q. of germinating seeds of groundnut an | vedclass

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(B) The $R.Q.$ (Respiratory Quotient) is defined as the ratio of the volume of $CO_2$ evolved to the volume of $O_2$ consumed during respiration.Groun

Vedclass · Accepted Answer

$< 1$

Vedclass · Answer

(B) The $R.Q.$ (Respiratory Quotient) is defined as the ratio of the volume of $CO_2$ evolved to the volume of $O_2$ consumed during respiration.Groundnut and castor seeds are oilseeds,meaning they contain a high amount of fatty acids (lipids) as their storage material.When fats are used as respiratory substrates,they require more oxygen for complete oxidation compared to carbohydrates because they are more reduced.Since the volume of $O_2$ consumed is greater than the volume of $CO_2$ evolved,the $R.Q.$ value for fats is always less than $1$ (typically around $0.7$).Therefore,the correct option is $B$.

The $R.Q.$ of germinating seeds of groundnut and castor is.........

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