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In respiration, raw material is converted into

A. water only

B. carbon dioxide and energy

C. water and energy

D. water, carbon dioxide and energy

Related Questions on Chapter 19: Respiration & Food Energy - Science Mcqs for Grade 7

When we inhale

A. the diaphragm is pushed upwards and the rib cage downwards

B. both diaphragm and rib cage are pushed downwards

C. the diaphragm is pulled downwards and the rib cage upwards

D. the diaphragm is pushed upwards and the rib cage is pulled downwards