Respiration in Plants Question 57

57. R.Q. is ratio of

[1990]

(a) $CO_2$ produced to substrate consumed

(b) $CO_2$ produced to $O_2$ consumed

(c) oxygen consumed to water produced

(d) oxygen consumed to $CO_2$ produced

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Answer : b

Hints & Solutions

(b) Ratio of the volume of $CO_2$ produced to the volume of $O_2$ consumed in respiration over a period of time is known as respiratory quotient.