GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Pollen grains of flowers in which pollination takes place by insects are:
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Large in size
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Smooth and dry
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Rough and dry
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Rough and sticky
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Explanation:
Detailed explanation-1: -Entomophily is a form of pollination where pollen grains of flowering plants are distributed by insects.
Detailed explanation-2: -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.
Detailed explanation-3: -The stigma is the sticky surface at the top of the pistil; it traps and holds the pollen. The style is the tube-like structure that supports the stigma.
Detailed explanation-4: -The top of the pistil is called the stigma, which is a sticky surface receptive to pollen.
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