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Question

Paramecium ingests food through

A
Cytoproct
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B
Cytopyge
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C
Cytopharynx
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D
Cytostome
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Solution

The correct option is C Cytostome
  • Paramecium ingests food only through cytostome. Cilia in the oral groove create a current of water, that helps to reach the food up to the cytostome and from there food is ingested into the food vacuole.
  • Cytoproct is the cell anus of paramecium through which waste materials are given out.
  • Cytopyge is the anal orifice in certain rumen dwelling ciliates of herbivore through which waste matter is ejected.
  • Cytopharynx is a tube-like opening in the lateral surface of the ciliate through which food is ingested.
Thus, the correct answer is option (D).

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