Ciliates differ from all other protozoans in

Biology Biological Classification Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 20, 2026

using pseudopodia for capturing prey

having a contractile vacuole for removing excess water

using flagella for locomotion

having two types of nuclei

Text Solution

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The correct answer is:

Ciliates are the only group of protozoans that exhibit nuclear dimorphism. They possess two distinct types of nuclei with different functions:

• Macronucleus: A larger nucleus that regulates non-reproductive functions such as metabolism, growth, and protein synthesis.

• Micronucleus: One or more smaller nuclei that handle genetic recombination and reproductive processes, such as conjugation.

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