Question

(a) The amount of CO2 will be highest in which test tube (A OR B). Why? (1M)
(b) The amount of CO2 will be lowest in which one and why? (1M)
C) In humans, during the process P the gaseous exchange takes place in lungs; R enters into
blood stream and combines with S thereby reaching various organs to release energy. T cells
of humans can also follow process U to release energy, V is the end product formed after this
process which can lead to muscle cramps. Identify P, R, S, T, U, V from the above
paragraph. (3M)
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Answer 1

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