Q. No.| A: | The flowers of Vallisneria are colourful and produce nectar. |
| B: | The flowers of waterlily are not pollinated by water. |
| C: | In most of water-pollinated species, the pollen grains are protected from wetting. |
| D: | Pollen grains of some hydrophytes are long and ribbon like. |
| E: | In some hydrophytes, the pollen grains are carried passively inside water. |
1. A, B, C and D only
2. A, C, D and E only
3. B, C, D and E only
4. C, D and E only
| 1. | Water pollinated flowers showing stamens with mucilaginous covering. |
| 2. | Cleistogamous flowers showing autogamy. |
| 3. | Compact inflorescence showing complete autogamy. |
| 4. | Wind pollinated plant inflorescence showing flowers with well exposed stamens. |
| 1. | Amensalism | 2. | Anemophily |
| 3. | Floral reward | 4. | Commensalism |
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 456849
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 456849
| 1. | To protect seeds | 2. | To attract insects |
| 3. | To trap pollen grains | 4. | To disperse pollen grains |
| 1. | wind pollinated plants | 2. | insect pollinated plants |
| 3. | bird pollinated plants | 4. | bat pollinated plants |
| 1. | Geitonogamy | 2. | Xenogamy |
| 3. | Autogamy | 4. | Cleistogamy |
| 1. | Moths and butterflies are the most dominant pollinating agents among insects |
| 2. | Pollination by water is quite rare in flowering plants |
| 3. | Pollination by wind is more common amongst abiotic pollination |
| 4. | Flowers produce foul odours to attract flies and beetles to get pollinated |
Given below are two statements:
| Statement I: | Cleistogamous flowers are invariably autogamous. |
| Statement II: | Cleistogamy is disadvantageous as there is no chance for cross pollination. |
In the light of the above statements, choose the correct answer from the options given below:
1. Statement I is incorrect but Statement II is correct.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is correct but Statement II is incorrect.
The term used for transfer of pollen grains from anthers of one plant to stigma of a different plant which during pollination, brings genetically different types of pollen grains to stigma, is:
| 1. | Chasmogamy | 2. | Cleistogamy |
| 3. | Xenogamy | 4. | Geitonogamy |
In water hyacinth and water lily, pollination takes place by:
1. Water currents only
2. Wind and water
3. Insects and water
4. Insects or wind
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