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Winged pollen grains are present in:
1 Mustard
2. Cycas
3. Mango
4. Pinus
Which one of the following statements is not true?
1. | Pollen grains are rich in nutrients and they are used in the form of tablets and syrups |
2. | Pollen grains of some plants cause severe allergies and bronchial afflictions in some people |
3. | The flowers pollinated by flies and beetles secrete foul odour to attract them |
4. | Honey is made by bees by digesting pollen collected from flowers |
Attractants and rewards are required for:
1. Entomophily
2. Hydrophily
3. Cleistogamy
4. Anemophily
1. | wind pollinated plants | 2. | insect pollinated plants |
3. | bird pollinated plants | 4. | bat pollinated plants |
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.