NEET 2018 Biology question

Ciliates differ from all other protozoans in

(1)using pseudopodia for capturing prey
(2)having a contractile vacuole for removing excess water
(3)using flagella for locomotion
(4)having two types of nucleiCorrect

Answer: (4)

Solution

Ciliated protozoans (e.g. Paramecium) have two kinds of nuclei, a large macronucleus (vegetative) and one or more small micronuclei (used in conjugation), which is a unique feature.

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Question ID VK-092341