NEET Biology question

Features common to the animals belonging to class-Amphibia and class-Reptilia are

(A)Presence of scales with internal fertilisation and usually four chambered heart
(B)Presence of tympanum, poikilotherms and usually three chambered heartCorrect
(C)Presence of cloaca, oviparous and external fertilisation
(D)Skin is moist

Answer: (B)

Solution

Both amphibians and reptiles are poikilothermic, generally possess a tympanum, and typically have a three-chambered heart (reptiles other than crocodiles). Scales are not universal in

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Question ID VK-106532