Nutrition in Paramoecium


 
 
Concept Explanation
 

Nutrition in Paramecium

Nutrition in Paramecium

Paramecium is a unicellular organism with a specific shape . Nutrition in paramecium can takes place in following steps:

  • Ingestion: Paramecium engulfs food by the use of cilia. Cilia is a hair like structure present on the surface or on the body of the paramecium. Food is ingested by cilia through oral groove into gullet. The food is ingested with a little surrounding water to form a food vacuole.
  • Digestion: In paramecium, food is digested in food vacuole by the digestive enzymes released by cytoplasm. This kind of digestion is known as intracellular digestion.
  • Absorption: The digestive food present in the food vacuole of paramecium is absorbed directly into the cytoplasm by diffusion. After absorption of the food, the food vacuole shrinks.
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    Sample Questions
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    Question : 1

    Which of the following are correct ?

    (a) Paramecium engulfs food by the use of cilia. Cilia is a hair like structure present on the surface or on the body of the paramecium.

    (b) Food is ingested by cilia through oral groove into gullet. The food is ingested with a little surrounding water to form a food vacuole.

    Right Option : C
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    Explanation
    Question : 2

    Which of the following are correct ?

    (a) In paramecium, food is digested in food vacuole by the digestive enzymes released by cytoplasm. This kind of digestion is known as intracellular digestion.

    (b) The digestive food present in the food vacuole of paramecium is absorbed directly into the cytoplasm by diffusion.

    Right Option : A
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    Explanation
    Question : 3

    In paramecium, food is digested in food vacuole by the digestive enzymes released by _________________ .

    Right Option : C
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    Explanation
     
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