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STD 11 - 7. Structural organisation in animal — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 7. Structural organisation in animal1 Mark
MCQ
The lungs in frogs are
  • A
    Compact spongy masses
  • ✓
    Thin-walled elastic, hollow bags
  • C
    Thick-walled nonelastic, hollow bags
  • D
    Thick-walled nonelastic solid masses
✓

Answer

Correct option: B.
Thin-walled elastic, hollow bags
b
(b)The lungs of frog are two delicate, elastic, pinkish, ovoid, thin walled hollow sacs lying on either side of the oesophagus.

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