EASY
7th CBSE
IMPORTANT
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Red Blood Cells are red with a pigment called .

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Important Questions on Respiration, The Breath of Life

EASY
7th CBSE
IMPORTANT
State the respiratory organs of frogs.
EASY
7th CBSE
IMPORTANT
State the breathing rate of a healthy person under normal conditions. 
MEDIUM
7th CBSE
IMPORTANT

Match the statement ‘A’ with the term ‘B’:

Statement ‘A’ Term ‘B’
(a) Openings on leaf surface for the exchange of gases. (i) Haemoglobin
(b) Openings on the body of an insect through which they take in fresh air for breathing. (ii) Gills
(c) Organ of breathing in fish. (iii) Chlorophyll
(d) Organ of breathing in man. (iv) Spiracles
(e) Organ of breathing in insects. (v) Lungs
(f) A substance capable of trapping sunlight energy. (vi) Stomata
(g) A substance capable of trapping oxygen. (vii) Tracheae
MEDIUM
7th CBSE
IMPORTANT
Lungs are the respiratory organs in
MEDIUM
7th CBSE
IMPORTANT
Gills are respiratory organs in: 
MEDIUM
7th CBSE
IMPORTANT
Caustic potash or potassium hydroxide (KOH) has the property of absorbing: 
EASY
7th CBSE
IMPORTANT
Respiratory pores present on the body of an insect are: 
MEDIUM
7th CBSE
IMPORTANT
What are the similarities in the process of respiration and burning?