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Structural Organisation in Animals — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYStructural Organisation in Animals1 Mark
MCQ
Choose the incorrect statement.
  • A
    Vascular system of frog is closed type.
  • B
    Frogs have 4-chambered heart.
  • C
    During aestivation and hibernation, skin acts as respiratory organ.
  • D
    All the statements are correct.
✓

Answer

  1. Frogs have 4-chambered heart.

Explanation:

Vascular system of frogs is closed and they have 3-chambered heart.

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