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Algae are known to reproduce asexually b...

Algae are known to reproduce asexually by variety of spores under different environmental conditions. Name these spores and the conditions under which they are produced.
Asexual reproduction in algae is very common mean of reproduction.

Text Solution

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(i) Zoospore. Flagellated and produced under favourable conditions.
(ii) Aplanospores. Unicellular,non-motile and thin walled spores and produced underless unfavourable conditions.
(iii) Hypnospores. Thick walled non-motile spores and produced under high unfavourable condtions.
(iv) Akinetes. Thick walled vegatatives cells produced in filaments to tolerate the unfavourable condtions.
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Knowledge Check

  • Asexual reproduction in most brown algae is by

    A
    Pear-shaped biflagellate zoospores having two unequal laterally attached flagella
    B
    Pear-shaped tetra flagellate zoospores having two unequal laterally attached flagella
    C
    Pear-shaped biflagellate zoospores having two equal laterally attached flagella
    D
    Pear-shaped biflagellate zoospores having two unequal apically attached flagella

  • Heterophylly under different environmental conditions is shown by

    A
    Butter cup
    B
    Cotton
    C
    Coriander
    D
    Larkspur

  • Asexual reproduction in maximum Brown Algae is by:-

    A
    Biflagellated zoospore
    B
    Single flagellated zoospores
    C
    Aplanospore
    D
    None of these

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