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Regarding Phaeophyceae: Match the following and choose the most appropriate option:

A. gametes 1. flagella two in number
B. zoospores 2. laterally attached flagella
3. pear-shaped
4. unequal flagella
5. Asexual reproduction
6. Sexual reproduction

( A ) A-1,2,3,4,5; B-2,3,4,5
( B ) A-1,3,5; B-2,3,4,6
( C ) A-1,3,5; B-1,2,3,4,5
( D ) A-1,2,3,6; B-1,2,3,4,5
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1 Answer

(D) is the right answer.

In Phaeophyceae: Asexual reproduction in most brown algae is by biflagellate zoospores that are pear-shaped and have two unequal laterally attached flagella. Sexual reproduction may be isogamous, anisogamous or oogamous. Union of gametes may take place in water or within the oogonium (oogamous species). The gametes are pyriform (pear-shaped) and bear two laterally attached flagella.
answered Apr 2, 2014 by pady_1
 
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