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Q.

Select the incorrect statement from the following options.

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a

Wind pollination is quite common in grasses

b

The exine of pollen grains exhibits a fascinating array of patterns and designs

c

Chasmogamous flowers are invariably autogamous as there is no chance of crosspollination

d

Pollination by water is quite rare in flowering plants and is limited to about 30 genera mostly monocotyledons

answer is C.

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Detailed Solution

Chasmogamous flowers have exposed anthers and stigma and therefore cross pollination can take place.
Cleistogamous flowers do not open at all and are invariably autogamous as there is no chance of cross-pollen landing on the stigma.

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