GENERAL KNOWLEDGE

GK

BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Flower in which pollination takes place by insect their pollen grains are-
A
Smooth and dry
B
Rough and stickly
C
Rough and dry
D
Large in size
Explanation: 

Detailed explanation-1: -Entomophily type of pollination takes place through the agency of insects. The entomophilous flowers are brightly coloured and fragranted to attract the insects. Their pollen grains are sticky or spiny to easily get attached with the body of pollinators.

Detailed explanation-2: -In all wind-pollinated flowers, the mature stigma is found rough and sticky.

Detailed explanation-3: -Wind-pollinated plants produce lots of lightweight, smooth pollen. However, insect-pollinated plants don’t produce as much pollen and the pollen is heavy and sticky.

Detailed explanation-4: -In insect-pollinated flowers, the produced pollen grains are larger in size, sticky and spiny, which helps the insect to carry the pollen grains. Stigma is feathery or sticky and found hanging out of petals.

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