Q. 74.0( 65 Votes )

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Answer :

(i) False.


During heavy exercise, we breathe faster and deeper than usual for faster breakdown of food to release energy.


(ii) False.


Photosynthesis doesn’t take place at night whereas respiration occurs in plants throughout the day and night.


(iii) True.


Though frogs have pair of lungs like human beings, they can also breathe through their skin, which is moist and slippery.


(iv) False.


Fishes do not have lungs. In fishes, gaseous exchange takes place through gills.


(v) True.


During inhalation, ribs move up and outwards and diaphragm moves down. This movement increases space in our chest cavity and air rushes into the lungs.


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