Which of the following statements about ciliates is incorrect?

Biology Mcqs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Biology Mcqsbiology-mcqs
Published
11 May 2018
Last updated
28 May 2026

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Explanation

Options A, B, and C are true: ciliates are mostly unicellular, their contractile vacuole manages water regulation, and they are capable of sexual reproduction. However, option D is incorrect because in ciliates, the smaller micronucleus is diploid and participates in sexual processes, while the larger macronucleus is polyploid and governs metabolism and growth.

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