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After a pollen grain lands on a suitable stigma, it reaches the female germ-cell in the ovary by means of a

Question
After a pollen grain lands on a suitable stigma, it reaches the female germ-cell in the ovary by means of a
root growing from the ovule
pollen tube growing through the style
seed coat forming instantly
petal folding over the ovary
Answer
pollen tube growing through the style
Detailed Explanation
A tube grows out of the pollen grain and travels through the style to reach the ovary, allowing the male germ-cell to reach the egg cell.
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