Which of the following pair of spores is also a mean of perrenniation for algae ? A. Zoospore and Aplanospore B . Aplanospore and Hypnospore C. Akinete and Hypnospore D . Zoospore and Hypnospore
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Answer:
Ans : A
Explanation:
Zoospore is a motile asexual spore that uses a flagellum for locomotion. Also called as swarm spore, these spores are created by some algae, bacteria and fungi to propagate themselves.
The freshwater and subaerial algae are unprotected and frequently exposed to risk of desiccation and extremes of temperature. Marine algae live in conditions where variations in external environmental conditions of life are rare but still they are exposed to tidal fluctuations. The main methods of perennation in freshwater and subaerial algae are akinetes, aplanospores, palmella stage, cysts, oospore, hormospores, hypnospores and tubers.
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