- 1(current)
Q. No.Among the terms listed below, those that are not technically correct names for a floral whorl are:
| i. | Androecium | ii. | Carpel |
| iii. | Corolla | iv. | Sepal |
| 1. | i and iv | 2. | iii and iv |
| 3. | ii and iv | 4. | i and ii |
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 |
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The correct sequence of layers in the wall of an anther from outside to inside is:
| 1. | Tapetum – Middle Layers – Endothecium – Epidermis |
| 2. | Epidermis – Endothecium – Tapetum – Middle layers |
| 3. | Epidermis – Endothecium – Middle layers – Tapetum |
| 4. | Tapetum – Endothecium – Middle layers – Epidermis |
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Tapetum :
| I. | Is a layer of nutritive cells that are found within the microsporangium. |
| II. | The cells are usually bigger and normally have more than one nucleus per cell because mitosis is not normal in them. |
| III. | Helps in pollen wall formation, transportation of nutrients to the inner side of the anther, synthesis of callose enzyme for separation of microspore tetrads. |
Of the above statements, the correct ones are:
| 1. | I and II only | 2. | I and III only |
| 3. | II and III only | 4. | I, II, and III |
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The embryo sac is to ovule as _______ is to an anther.
| 1. | Stamen | 2. | Filament |
| 3. | Pollen grain | 4. | Androecium |
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- 1(current)
Q. No.
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