Recently, in a science class test, you are asked a question where… - Vidyadip

MCQ

Recently, in a science class test, you are asked a question where you have to say whether the statements are correct or not?

A
The size of the chest cavity increases during inhalation.
✓
The fishes have lungs for respiration.
C
Frogs breathe through their skin as well as their lungs.
D
Plants carry out photosynthesis only during the daytime when sunlight is available.

✓

Answer

Correct option: B.

The fishes have lungs for respiration.

The fish has special organs of breathing called “gills”.
The gills help the fish to use oxygen which is dissolved in water.
Gills are projections of the skin.
Gills have blood vessels for the exchange of respiratory gases as oxygen and carbon dioxide.

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