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Question
Which of the following structures facilitates the entry of oxygen and water in the seed?
Which of the following structures facilitates the entry of oxygen and water in the seed?
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Solution
The correct option is C Micropyle
The entry of oxygen and water in the seed is facilitated by the micropyle. It exists as a pore in the seed coat.
Hilum is the region where the body of the ovule attaches with the funicle. It remains as a scar on the seed coat.
Filiform apparatus present in synergids help in guiding the pollen tube into the synergids. Hence they play a major role before fertilisation.
The entry of oxygen and water in the seed is facilitated by the micropyle. It exists as a pore in the seed coat.
Hilum is the region where the body of the ovule attaches with the funicle. It remains as a scar on the seed coat.
Filiform apparatus present in synergids help in guiding the pollen tube into the synergids. Hence they play a major role before fertilisation.
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