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

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 11 - 4. Animal kingdom4 Marks
MCQ
Choose the correct statement.
  • A
    All mammals are viviparous.
  • ✓
    All cyclostomes do not possess jaws and paired fins.
  • C
    All reptiles have a three­chambered heart.
  • D
    All pisces have gills covered by an operculum.
✓

Answer

Correct option: B.
All cyclostomes do not possess jaws and paired fins.
b
(b) : Ornithorhynchus and Tachyglossus are oviparous mammals. Crocodile is a reptile which possesses four chambered heart. In cartilaginous fish (except Chimaera) gills are not covered by an oper­ culum.

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