| List-I (Structure) |
List-II (Function) |
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| A. | Tapetum | I. | Nourishment and development of microspores |
| B. | Endothecium | II. | Pollen tube guidance |
| C. | Pollen grains | III. | Dehiscence of anther |
| D. | Synergids | IV. | Male gametophyte |
| 1. | A-I, B-II, C-III, D-IV | 2. | A-III, B-I, C-II, D-IV |
| 3. | A-I, B-III, C-IV, D-II | 4. | A-II, B-I, C-III, D-IV |
| I: | One of the megaspores is functional while the other three degenerate. |
| II: | Only the functional megaspore develops into the female gametophyte (embryo sac). |
| 1. | Only I is correct | 2. | Only II is correct |
| 3. | Both I and II are correct | 4. | Both I and II are incorrect |
| List-I (Ovule Parts) |
List-II (Description) |
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| A. | Micropyle | I. | Opening through which pollen tube enters |
| B. | Integuments | II. | Protective envelopes around nucellus |
| C. | Chalaza | III. | Basal part where nucellus and integuments meet |
| D. | Nucellus | IV. | Encloses embryo sac and provides nourishment |
| 1. | A-IV, B-I, C-III, D-II | 2. | A-III, B-I, C-II, D-IV |
| 3. | A-II, B-IV, C-I, D-III | 4. | A-I, B-II, C-III, D-IV |
| 1. | Nucellus | 2. | Integument |
| 3. | Chalaza | 4. | Hilum |
| I: | The ovule is a small structure attached to the placenta by means of a stalk called funicle. |
| II: | The body of the ovule fuses with the funicle in the region called the hilum. |
| A | B | C | |
| 1. | Hilum | Embryo | Antipodal cell |
| 2. | Nucellus | Ovary | Polar nuclei |
| 3. | Micropyle | Ovary | Filiform apparatus |
| 4. | Hilum | Embryo sac | Filiform apparatus |
Which of the following structure is not associated with megasporangium in angiosperms?
1. Integuments
2. Funicle
3. Micropyle
4. Tapetum