MEDIUM
7th CBSE
IMPORTANT
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Respiratory membrane should be:

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Important Questions on Respiration in Plants and Animals

EASY
7th CBSE
IMPORTANT
Two guard cells control the opening and closing of _____ (stomatal/folicular) openings.
MEDIUM
7th CBSE
IMPORTANT
Water flows through the body of sponges and Hydra, allowing gaseous exchange by each cell of the cell _____ .
MEDIUM
7th CBSE
IMPORTANT
_____ are the specialised organs of respiration in higher animals like birds and mammals.
EASY
7th CBSE
IMPORTANT
The glottis is guarded by a flap-like structure called _____ .
EASY
7th CBSE
IMPORTANT
 Aerobic respiration takes place in the presence of _____ .
EASY
7th CBSE
IMPORTANT
Where does respiration take place in living beings?
EASY
7th CBSE
IMPORTANT
 Which gas do plants give out during respiration?
MEDIUM
7th CBSE
IMPORTANT
What are the small openings on the body surface of insects called?