The correct description of the structure shown in the figure would be:
1. | Anatropous ovule; 1 – Nucellus; 2 – Chalaza; 3 – Raphe; 4 – Funiculus |
2. | Orthotropous ovule; 1 – Nucellus; 2 – Micropyle; 3 – Raphe; 4 – Funiculus |
3. | Anatropous ovule; 1 – Nucellus; 2 – Chalaza; 3 – Funiculus; 4 – Raphe |
4. | Anatropous ovule; 1 – Nucellus; 2 – Micropyle; 3 – Raphe; 4 – Funiculus |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhen the embryosac develops from a single functional megaspore [the other three get generate], it is called as:
1. | Monosporic | 2. | Bisporic |
3. | Trisporic | 4. | Tetrasporic |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA typical angiosperm embryosac, at maturity, is:
1. | 8 celled and 8 nucleate | 2. | 8 celled and 7 nucleate |
3. | 7 celled and 8 nucleate | 4. | 7 celled and 7 nucleate |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify the incorrectly matched pair:
Cell | Ploidy | |
1. | Cells of nucellus | Diploid |
2. | Megaspore mother cell | Haploid |
3. | Functional megaspore | Haploid |
4. | Cells of female gametophyte | haploid |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe body of the ovule fuses with the funicle in the region called:
1. | Chalaza |
2. | Micropyle |
3. | Hilum |
4. | Nucellus |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology