Class 12 Biology Reproduction Sexual reproduction in Flowering Plants
505
150 Conifers differs from grasses in
(a)
Formation of endosperm before fertilization
(b)
Production of seeds from ovules
(c)
Lack of xylem tracheids
(d)
Absence of pollen tubes
Correct answer: (a)
Solution: In Conifers, the endosperm is formed before fertilisation. These plants are categorised under gymnosperms, which has haploid endosperm. The angiosperms have triploid endosperm, formed as a result of the fusion of secondary polar nuclei with the male gamete in the process of double fertilization.
Thus, the correct answer is option A.
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Similar topics
sexual reproduction in flowering plants
reproduction in organisms
evolution
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sexual reproduction in flowering plants
reproduction in organisms
evolution
human reproduction
reproductive health
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