| 1. | wind pollinated plants | 2. | insect pollinated plants |
| 3. | bird pollinated plants | 4. | bat pollinated plants |
| 1. | Geitonogamy | 2. | Xenogamy |
| 3. | Autogamy | 4. | Cleistogamy |
| A. | 3 successive free nuclear divisions in functional megaspore. |
| B. | Degeneration of 3 megaspores |
| C. | Meiotic division in megaspore mother cell |
| D. | Migration of 3 nuclei towards each pole. |
| E. | Formation of a wall resulting in seven celled embryosac. |
| 1. | (A), (B), (C), (D), (E) | 2. | (C), (E), (A), (D), (B) |
| 3. | (B), (C), (A), (D), (E) | 4. | (C), (B), (A), (D), (E) |
| Assertion (A): | Cleistogamous flowers are invariably autogamous. |
| Reason (R): | Cleistogamous flowers never expose their sex organs, so there is no chance of cross pollination in these flowers. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
| A | B | C | |
| 1. | Hilum | Embryo | Antipodal cell |
| 2. | Nucellus | Ovary | Polar nuclei |
| 3. | Micropyle | Ovary | Filiform apparatus |
| 4. | Hilum | Embryo sac | Filiform apparatus |
| A | B | C | D | |
| 1. | Coleorhiza | Shoot apex | Epiblast | Radicle |
| 2. | Scutellum | Coleoptile | Shoot apex | Coleorhiza |
| 3. | Coleoptile | Cotyledon | Epiblast | Radicle |
| 4. | Scutellum | Coleoptile | Epiblast | Coleorhiza |
| A. | Continued cross pollination of plants results in inbreeding depression. |
| B. | In members of Poaceae, the single cotyledon is called scutellum. |
| C. | Apple is a false fruit because it is developed only from the ovary. |
| A | B | C | |
| 1. | T | T | F |
| 2. | T | F | T |
| 3. | F | F | T |
| 4. | F | T | F |
| 1. | Synergids, antipodals and Polar nuclei |
| 2. | Synergids, Primary endosperm nucleus and zygote |
| 3. | Antipodals, synergids, and primary endosperm nucleus |
| 4. | Synergids, Zygote and Primary endosperm nucleus |
| 1. | To protect seeds | 2. | To attract insects |
| 3. | To trap pollen grains | 4. | To disperse pollen grains |