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Question
Which one of the following statements regarding post-fertilisation development in flowering plants is incorrect?
Which one of the following statements regarding post-fertilisation development in flowering plants is incorrect?
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Solution
The correct option is B Ovules develop into an embryo sac
Events that occur after fertilisation are called post-fertilisation events.
After fertilisation:
1. Zygote develops into an embryo.
2. Primary endosperm cell (PEC) divides repeatedly to form the triploid nutritive tissue, endosperm.
3. Ovary develops into fruit.
4. Ovule develops into seed.
Hence option b is incorrect. The embryo sac (female gametophyte) is formed before fertilisation.
Events that occur after fertilisation are called post-fertilisation events.
After fertilisation:
1. Zygote develops into an embryo.
2. Primary endosperm cell (PEC) divides repeatedly to form the triploid nutritive tissue, endosperm.
3. Ovary develops into fruit.
4. Ovule develops into seed.
Hence option b is incorrect. The embryo sac (female gametophyte) is formed before fertilisation.
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