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Diversity in Living Organisms — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceDiversity in Living Organisms1 Mark
MCQ
Find out the false statement:
  • ✓
    Aves are warm blooded, egg laying and have four chambered heart.
  • B
    Aves have feather covered body, fore limbs are modified as wing and breathe through lungs.
  • C
    Most of the mammals are viviparous.
  • D
    Fishes, amphibians and reptiles are viviparous.
✓

Answer

Correct option: A.
Aves are warm blooded, egg laying and have four chambered heart.
The characteristics possessed by aves are as follows These are warm-blooded animals having four$-$chambered heart. Their body is divisible into head, neck, trunk and tail. These are flying animals, having exoskeleton of feathers. They have modified forelimbs into wings and jaws are modified into horny toothless beak.

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