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Subject :NSO    Class : Class 7

Some statements regarding respiration are given below.
I. Respiration is an energy releasing process.
II. Respiration involves synthesis of sugar.
III. Anaerobic respiration in humans can occur during strenuous exercise.
IV. Breathing in humans involve the movement of both diaphragm and rib cage.
Identify the correct set of statements.

AI, II and III only
BII, III and IV only
CI, II and IV only
DI, III and IV only


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