- 1(current)
Q. No.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 |
81%
Level 1: 80%+
Hints
All the following can be considered as equivalent terms except:
|
1. |
Megasporangium |
Ovule |
|
2. |
Megasporophyll |
Stamen |
|
3. |
Female gametophyte |
Embryo sac |
|
4. |
Microspore |
Pollen grain |
Subtopic: Stamen: Anther | Pistil: Ovule |
79%
Level 2: 60%+
Hints
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%
Level 1: 80%+
Hints
The following diagram shows:
| 1. | Multicarpellary, syncarpus pistil of Papaver |
| 2. | Multicarpellary, apocarpus pistil of Papaver |
| 3. | Multicarpellary, apocarpous gynoecium of Michelia |
| 4. | Multicarpellary, syncarpous gynoecium of Michelia |
Subtopic: Pistil: Ovule |
66%
Level 2: 60%+
Hints
Division of functional megaspore can be described as:
| 1. | Three free nuclear mitotic divisions. |
| 2. | One meiotic and two mitotic divisions, all free nuclear. |
| 3. | Three cytoplasmic mitotic divisions. |
| 4. | One meiotic and two mitotic divisions, meiotic being cytoplasmic and mitotic being free nuclear. |
Subtopic: Pistil: Ovule |
62%
Level 2: 60%+
Hints
Pollen tube, after reaching the ovary, enters the ovule through _______ and then enters one of the _____________ through filiform apparatus.
| 1. | Chalaza; Synergids | 2. | Micropyle; Antipodals |
| 3. | Micropyle; Synergids | 4. | Chalaza; Antipodals |
Subtopic: Pistil: Ovule |
90%
Level 1: 80%+
Hints
Identify the correct relationship of an ovary and an ovule in angiosperms:
| 1. | ovary is the enlarged apical portion of the pistil; the ovary contains ovules, which develop into seeds upon fertilization |
| 2. | ovary is the enlarged basal portion of the pistil; the ovary contains ovules, which develop into seeds upon fertilization |
| 3. | ovary is the enlarged basal portion of the pistil; the ovary contains ovules, which develop into fruits upon fertilization |
| 4. | ovary is the enlarged apical portion of the pistil; the ovary contains ovules, which develop into fruits upon fertilization |
Subtopic: Pistil: Ovule |
81%
Level 1: 80%+
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Q. No.
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