1.

(a) What is respiratory quotient (RQ)?(b) the respiratory pathway in plants is called amphibolic pathway. Why ?Mention the RQ values for carbohydrates, fats and proteins during aerobic respiration.

Answer»

(a) The ratio of volume of CO2 evolved to the volume of O2 consumed during respiration.

                                     OR

RQ = Volume of CO2 evolved / Volume of O2 consumed 

RQ of carbohydrates-1, fats less than 1 and proteins is less than 1

(b) Because respiratory pathway involves both anabolism and catabolism



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