- 1(current)
Q. No.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 |
Subtopic: Pistil: Ovule |
68%
From NCERT
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When 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 |
Subtopic: Pistil: Ovule |
91%
From NCERT
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A 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 |
Subtopic: Pistil: Ovule |
92%
From NCERT
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Identify 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 |
Subtopic: Pistil: Ovule | Pistil: Female Gametophyte |
83%
From NCERT
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The body of the ovule fuses with the funicle in the region called:
| 1. | Chalaza |
| 2. | Micropyle |
| 3. | Hilum |
| 4. | Nucellus |
Subtopic: Pistil: Ovule |
90%
From NCERT
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- 1(current)
Q. No.
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