First slide

Classification of Animals

Question

Which one of the following is true about Rana?

Easy

A

Tympanum and pinna represent ear.
B

Skin is moist and is covered by scales.
C

Body is divisible into head, trunk and tail.
D

Alimentary canal, urinary and reproductive tracts open into a cloaca.

Solution

Alimentary canal, urinary and reproductive tracts open into a common chamber called cloaca in amphibians.
The body is divisible into head and trunk.
The amphibian skin is moist (without scales).
A tympanum represents the ear. Pinna is absent.

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