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Subject :NSO    Class : Class 8

The given diagram shows a respirometer that is used to measure gaseous exchange in pea seeds. The apparatus is maintained at a constant temperature.

Which of the following is incorrect regarding this?

AThe gas pressure in X will fall as O2 is absorbed during respiration and CO2 is absorbed by potassium hydroxide solution.
BThe fluid level at Y will fall to compensate the loss of pressure in X.
CThe gas pressure at X will rise as O2 is given out by seeds and CO2 is released by potassium hydroxide solution.
DThe fluid level at Z will rise due to loss of pressure at X.

Ans 1: (Master Answer)

Class : Class 1


Ans 2:

Class : Class 6
how is the gas pressure in x rising when even the solution says that it will fall?

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