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Question

A student during his laboratory work observed as organism under the microscope with the following features
(a) Single celled
(b) Presence of cilia
(c) Presence of gullet
(d) Two different sized nuclei
Identify the organism with the help of above features

A
Entamoeba
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B
Amoeba
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C
Paramoecium
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D
Trypanosoma
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Solution

The correct option is C Paramoecium
All the given options are single-celled organisms. Cilia is absent in Amoeba. Trypanosoma doesn't have two different nuclei. Paramoecium is single-celled microorganisms visible by naked eye has an elongated structure. It has hair at the whole surface of the body known as cilia. Through the process of phagocytosis, the food is pushed into the gullet through cilia which further goes into the food vacuoles. Micro and macronucleus are seen in paramoecium.
So the correct answer is 'Paramoecium'.

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