Class 12 Exam > Class 12 Questions > Which type embryo sac is found in Plumbago pl...
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Which type embryo sac is found in Plumbago plant -
- a)Monosporic
- b)Bisporic
- c)Tetrasporic
- d)None of above
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
Which type embryo sac is found in Plumbago plant -a)Monosporicb)Bispor...
The type of embryo sac found in the Plumbago plant is Tetrasporic. Let's understand the reasoning behind this answer:
Explanation:
- Plumbago is a plant species that belongs to the angiosperm division.
- The female gametophyte or embryo sac in angiosperms undergoes a process called megasporogenesis, where a single megaspore mother cell (MMC) gives rise to the embryo sac.
- In Plumbago, the MMC undergoes meiosis to produce four haploid megaspores.
- Among these four megaspores, three degenerate, and one functional megaspore develops into the embryo sac.
- The embryo sac formed in Plumbago shows the presence of four nuclei, which are the result of three rounds of mitosis without cytokinesis.
- This type of embryo sac formation, with four nuclei, is known as Tetrasporic embryo sac.
Therefore, the correct answer is C: Tetrasporic.
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