- 1(current)
Q. No.How many of the given statements regarding endosperm tissue in angiosperms are correct?
1. 0
2. 1
3. 2
4. 3
| I: | In the most common type of endosperm development, the primary endosperm nucleus (PEN) undergoes successive nuclear divisions to give rise to free nuclei, and subsequently cell wall formation occurs and the endosperm becomes cellular. |
| II: | The number of free nuclei formed before cellularization is uniform in all angiosperms. |
| III: | The coconut water from tender coconut that you are familiar with, is nothing but free-nuclear endosperm (made up of thousands of nuclei) and the surrounding white kernel is the cellular endosperm. |
1. 0
2. 1
3. 2
4. 3
Subtopic: Double Fertilization | Endosperm |
67%
From NCERT
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The endosperm is usually completely consumed by the developing embryo in all the following except:
| 1. | Pea | 2. | Castor |
| 3. | Bean | 4. | Groundnut |
Subtopic: Endosperm |
78%
From NCERT
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NEET 2026 - Target Batch - Vital
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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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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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What distinguishes albuminous seeds from ex-albuminous seeds?
| 1. | Albuminous seeds have residual endosperm, while ex-albuminous seeds do not. |
| 2. | Albuminous seeds lack a seed coat, while ex-albuminous seeds have one. |
| 3. | Ex-albuminous seeds are produced by monocots, albuminous by dicots. |
| 4. | Ex-albuminous seeds develop underground, whereas albuminous seeds develop above ground. |
Subtopic: Endosperm |
94%
From NCERT
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