Which one of the following statements is not correct? - Vidyadip

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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