Asexual reproduction by non-motile spores is seen in

Ectocarpus

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kelps

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Porphyra

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Chlamydomonas

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Solution

The correct option is C Porphyra
Asexual reproduction by non-motile spores is seen in red algae. In the given options, Porphyra is a red alga.

Brown algae reproduce asexually by producing biflagellate zoospores that are pear-shaped and have two unequal sized laterally attached flagella. Ectocarpus and kelps are brown algae.

Asexual reproduction is by flagellated zoospores in green algae.
Chlamydomonas is a green alga.

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