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. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | 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. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | Amensalism | 2. | Anemophily |
3. | Floral reward | 4. | Commensalism |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | To protect seeds | 2. | To attract insects |
3. | To trap pollen grains | 4. | To disperse pollen grains |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | wind pollinated plants | 2. | insect pollinated plants |
3. | bird pollinated plants | 4. | bat pollinated plants |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | Geitonogamy | 2. | Xenogamy |
3. | Autogamy | 4. | Cleistogamy |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGiven 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.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyBee-keeping helps to improve the yield of following crops Except ____________.
1. Jowar
2. Sunflower
3. Apple
4. Mustard
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology