Q.
Which one of the following is true about Rana?
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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.
answer is D.
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Detailed 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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