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In opuntia, in night the R.Q. will be...

In opuntia, in night the R.Q. will be

A

One

B

Less than one

C

More than One

D

Zero

Text Solution

Verified by Experts

The correct Answer is:
D
In some succulent or finely plants e.g., Opuritia, carbohydrates are incompletely oxidised to organic acids in dark without the evolution of `CO_(2)`
`underset("glucose")2C_(6)H_(12)3O_(2)rarrunderset("mallic acid")3C_(4)H_(6)O_(5)+3H_(2)O`
R.Q`=(CO_(2))/(O_(2))=(0)/(0)=0` (less than one)
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