Class 12 Biology Reproduction Sexual reproduction in Flowering Plants
In angiosperms, triple fusion is necessary for the formation of 
(a)
Seed coat
(b)
Fruit wall
(c)
Embryo
(d)
Endosperm
Correct answer: (d) 
Solution: The haploid sperm and haploid egg combine to form a diploid zygote, while the other sperm and the two haploid polar nuclei of the large central cell of the megagametophyte form a triploid nucleus. It will later develop into the endosperm, nutrient tissue which provides nourishment to the developing embryo.

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Similar topics
sexual reproduction in flowering plants
reproduction in organisms
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sexual reproduction in flowering plants
reproduction in organisms
human reproduction
reproductive health
reproduction in organism