Gametes are non-motile in

Blue green algae

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Red algae

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Both A and B

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Green algae

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Solution

The correct option is D Both A and B
Cyanophyceae (blue green algae) reproduce by simple division/fragmentation or nonmotile spores and do not exhibit any motile phase during the life cycle. Red algae (Rhodophyceae) are characterized by the absence of any motile gametes or spores. Chlorophyceae (green algae) reproduce by zoospores with two identical anterior flagella. Thus, the correct answer is option C.

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