MCQ
Digestive system is complete where
  • A
    All the digestive glands are present
  • Both anus and mouth are present
  • C
    Digestion occurs in the cavity of digestive tract
  • D
    Digestion occurs in the individual cells lining the digestive tract

Answer

Correct option: B.
Both anus and mouth are present
b
(b)When digestive tract of animals has two separate opening mouth and anus. Such digestive tract is termed complete. It is found from round worm to mammales.

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