A) multiflagellate gametes and are sickle-shaped.
B) biflagellate gametes (pear-shaped and have two unequal flagella).
C) aplanospore (apple-shaped and non-motile).
D) endospores (round and have one flagella).
Correct Answer: B
Solution :
[b] Asexual reproduction in brown algae happens by the formation of biflagellate gametes. They are motile zoospores and non-motile neutral spores. The zoospores produced in the zoosporangia are pyriforms have chromatophore, biflagellate, contain contractile vacuoles and an eye spot. Heterodont flagellation is seen, i.e., they possess two unequal flagella, one whip-lash type and the other tinsel-shaped.
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