MEDIUM
7th CBSE
IMPORTANT
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What makes air enter our lungs when we inhale?

Important Questions on Respiration in Plants and Animals

MEDIUM
7th CBSE
IMPORTANT
How does oxygen from the air in the lungs reach the cells?
EASY
7th CBSE
IMPORTANT
Oxygen combines with haemoglobin in the blood to form _____.
EASY
7th CBSE
IMPORTANT
The lungs have millions of sac-like units for the exchange of respiratory gases called _____.
EASY
7th CBSE
IMPORTANT
Carbon dioxide and _____ molecules are formed during internal respiration.
MEDIUM
7th CBSE
IMPORTANT
Anaerobic respiration is also known as _____.
EASY
7th CBSE
IMPORTANT
The larynx is responsible for _____. (respiration/speech)
EASY
7th CBSE
IMPORTANT
The tiny openings on stems and fruit that plants use for breathing are called _____.
EASY
7th CBSE
IMPORTANT
Alcohol is formed during _____ (aerobic/anaerobic) respiration.