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How do the pollen grains break open from the pollen sacs?(a) Along the connective(b) Line of dehiscence(c) Grooves(d) CrackThe question was posed to me at a job interview.The origin of the question is Flowering Plants Reproduction in section Sexual Reproduction in Flowering Plants of Biology – Class 12

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Right answer is (b) Line of dehiscence

To explain I would SAY: Line of dehiscence is the line ALONG which the anther opens up and spills all the contents inside it. When this line of dehiscence opens up, the pollen grains fall out of it and are carried away by environmental factors LIKE WIND, WATER, animals, etc.



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