EASY
7th CBSE
IMPORTANT
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During , the muscles present in between the ribs move the ribs upwards and outwards, while the diaphragm pushes down and becomes flat. (inhalation/exhalation)

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Important Questions on Respiration

EASY
7th CBSE
IMPORTANT
During _____, the pressure inside the chest cavity increases. (inhalation/exhalation)
EASY
7th CBSE
IMPORTANT
Frogs breathe through _____ when they are tadpoles. (gills/lungs)
EASY
7th CBSE
IMPORTANT
Insects breathe through the tracheae which open on the surface of the body through small pores called _____. (spiracles/stomata)
EASY
7th CBSE
IMPORTANT
Cellular respiration that uses oxygen is called _____ respiration. (anaerobic/aerobic)
EASY
7th CBSE
IMPORTANT
During anaerobic respiration, energy is released in the absence of _____. (carbon dioxide/oxygen)
EASY
7th CBSE
IMPORTANT
Yeast cells convert glucose into carbon dioxide and _____. (ethanol/water vapour)
EASY
7th CBSE
IMPORTANT
In plants, _____ does not take place at night. (photosynthesis/respiration)
EASY
7th CBSE
IMPORTANT
Respiration is a process in which energy is produced.