- 1(current)
Q. No.During the monosporic development of the embryo sac in angiosperms:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | Three successive free nuclear mitotic divisions in the functional megaspore form the 8-nucleate stages of the embryo sac. |
| II: | Six of the eight nuclei are surrounded by cell walls and organized into cells. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Embryo |
83%
From NCERT
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During the development of the embryo in angiosperms, which stage follows the zygote formation?
1. Globular stage
2. Heart stage
3. Cotyledon stage
4. Mature embryo
1. Globular stage
2. Heart stage
3. Cotyledon stage
4. Mature embryo
Subtopic: Embryo |
68%
From NCERT
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A typical dicotyledonous embryo consists of an embryonal axis and two cotyledons, where:
| I: | The portion of embryonal axis above the level of cotyledons is the epicotyl, which terminates with the plumule or stem tip. |
| II: | The cylindrical portion below the level of cotyledons is hypocotyl that terminates at its lower end in the radicle or root tip. |
| 1. | Only I is true |
| 2. | Only II is true |
| 3. | Both I and II are true |
| 4. | Both I and II are false |
Subtopic: Endosperm | Embryo |
92%
From NCERT
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Scutellum is:
| 1. | the cotyledon in seeds of the grass family |
| 2. | globular embryo of a dicot |
| 3. | persistent nucellus in a seed |
| 4. | undifferentiated sheath enclosing root cap in monocot seeds |
Subtopic: Embryo |
88%
From NCERT
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital
A typical dicotyledonous embryo, consists of an embryonal axis and two cotyledons and where:
1. Statement I is correct; Statement II is incorrect
2. Statement I is correct; Statement II is correct
3. Statement I is incorrect; Statement II is incorrect
4. Statement I is incorrect; Statement II is correct
| Statement I: | The portion of embryonal axis above the level of cotyledons is the coleoptiles. |
| Statement II: | The cylindrical portion below the level of cotyledons is the coleorhiza. |
2. Statement I is correct; Statement II is correct
3. Statement I is incorrect; Statement II is incorrect
4. Statement I is incorrect; Statement II is correct
Subtopic: Endosperm | Embryo |
51%
From NCERT
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Q. No.
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