MEDIUM
9th ICSE
IMPORTANT
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Write a short note on anaerobic respiration in animals.

Important Questions on Respiratory System
EASY
9th ICSE
IMPORTANT
Given below is an overall chemical reaction of a certain process:
Name the process.

MEDIUM
9th ICSE
IMPORTANT
Given below is an overall chemical reaction of a certain process:
Name the cells in which this reaction may occur.

EASY
9th ICSE
IMPORTANT

EASY
9th ICSE
IMPORTANT

EASY
9th ICSE
IMPORTANT
The process by which energy is released from food molecules.

MEDIUM
9th ICSE
IMPORTANT
The exchange of gases between blood and the air at the respiratory surface.

EASY
9th ICSE
IMPORTANT
A respiratory pigment in man.

EASY
9th ICSE
IMPORTANT
