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Question

During pollination, the pollen grains land on the ________ of carpel.

A
stamen
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B
stigma
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C
ovary
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D
filament
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Solution

The correct option is B stigma
Pollination is the transfer of pollen grains from the anther of a flower to the stigma of a flower.
Pollen grains contain the male gamete and are present in the stamens of the flower.
Stamen is the male reproductive part of the flower and it consists of anther and filament.
When the pollen grains land on the sticky surface called stigma of a flower of the same species, it grows a tiny tube called pollen tube which extends all the way down the style to the ovary.
Ovary is the site where male gamete from the pollen tube fuses with the female gamete in the ovule in the process called fertilisation. The ovary develops into a fruit after fertilisation.

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