Sexual Reproduction in Flowering Plants Question 21
21. Advantage of cleistogamy is : [NEET 2013]
(a) More vigorous offspring
(b) No dependence of pollinators
(c) Vivipary
(d) Higher genetic variability
Show Answer
Answer : b
Hints & Solutions
(b) Cleistogamy favours no dependence on pollinator because flowers never open. In such flowers, the anthers and stigma lie close to each other. When anthers dehisce in flower buds pollen grains come in contact with the stigma to effect pollination.
