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Subject :NSO    Class : Class 8

Refer to the given Venn diagram and select the incorrect statement regarding animals X, Y and Z.

ABoth X and Z can regulate their body temperatures but X is oviparous and Z is viviparous.
BY may have an exoskeleton of scales and its body is divisible into head, trunk and tail.
CX could be stork, Y could be arowana and Z could be dolphin.
DX has hollow bones and Y respires through moist skin and buccopharyngeal cavity.

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