Self-pollination is fully ensured if
(A) the flower is bisexual.
(B) the style is longer than the filament.
(C) the flower is cleistogamous.
(D) the time of pistil and anther maturity is different.
OR
Zoospores are the reproductive units to carry asexual reproduction in
(A) Chlamydomonas
(B) Spirogyra
(C) Yeast
(D) Rhizopus

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Detailed Solution

(C) Cleistogamous flowers means that both female and male reproductive organs are present in same flower and it is a closed flower. This means that the flower is bisexual and the chances of self-pollination are highest.

(A) Chlamydomonas produces zoospores by asexual reproduction. Spirogyra reproduce asexually through fragmentation. Yeast reproduces asexually through budding. Asexual reproduction in Rhizopus takes place through spore formation.

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