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STD 11 - 4. Animal kingdom — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 4. Animal kingdom1 Mark
MCQ
Birds and mammals have
  • A
    Three chambered heart
  • ✓
    Four chambered heart
  • C
    Six chambered heart
  • D
    None of the above
✓

Answer

Correct option: B.
Four chambered heart
b
It’s obvious

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