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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
Which one of the following statements is not correct?
  • ✓
    All echinoderms are viviparous
  • B
    Roundworm has no circulatory system
  • C
    In bony fishes, swim bladder is usually present
  • D
    In cartilaginous fishes, fertilization is internal
✓

Answer

Correct option: A.
All echinoderms are viviparous
a
The animals of phylum echinodermata are oviparous. They have the ability of regeneration

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