Question

nutrition in Paramecium

Answer 1

Paramecium is a tiny unicellular organism found in water. It follows holozoic mode of nutrition.

1. Ingestion:
Paramecium engulfs food by the use of cilia. Cilia is a hair like structure present on surface on body of 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

2. Digestion:
In Paramecium, food is digested in food vacuole by the digestive enzymes released by cytoplasm. Digestion in Paramecium is termed as “intracellular digestion”.

3. Absorption:
The digested food present in the food vacuole of Paramecium is absorbed directly into the cytoplasm by diffusion. After absorption of food, the food vacuole shrinks.

4. Assimilation:
The absorbed food nutrients is stored and utilised later for synthesis of energy.

5. Egestion:
The undigested food is expelled out through anal pore.

Answer 2

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Here is your answer:--

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Paramecium follows holozoic nutrition . Paramecium feed on microorganisms like bacteria, algae, and yeasts. The paramecium uses its cilia to sweep the food along with some water into the cell mouth after it falls into the oral groove. The food goes through the cell mouth into the gullet.


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