In water hyacinth and water lily, pollination takes place by :

Water currents only

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Wind and water

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Insects and water

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Insects or wind

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Solution

The correct option is C Insects or wind
In water hyacinth, that is, Eichhornia the flowers are purple in color, attractive and borne in a spike to facilitate pollination by insects.
Water lilies, Nymphea species have conspicuous attractive flowers to facilitate insect pollination while some species produce a large number of pollen grains to aid anemophily or wind pollination.
So, the correct answer is 'Insects or wind'.

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Q. Pollination in water hyacinth and water lily is brought about by the agency of

Q. Water lily and water hyacinth are pollinated by______.

Which of the following statements are correct for hydrophily?

(i) Pollination by water is rare in flowering plants and is limited mostly to monocotyledons.

(ii) In majority of aquatic plants such as water hyacinth and water lily pollination takes place by insects and wind

(iii) In most of the water pollinated species pollen grains are protected from wetting by a mucilaginous covering.

(iv) In Vallisneria, female flowers reach the surface of water and receive the pollen grains, whereas in Zostera, female flowers remain submerged and receive pollen grains under water.

Q. Select the correct and incorrect statements.
(a) Tapetum nourishes developing pollen grains.
(b) Hilum represents junction between ovule and funicle.
(c) In aquatic plants, Water Hyacinth and Water Lily, pollination is by water.
(d) Primary endosperm nucleus is triploid.

Q. Select the correct and incorrect statements.

(a) Tapetum nourishes developing pollen grains
(b) Hilum represents junction between ovule and funicle
(c) In aquatic plants, Water Hyacinth and Water Lily,
pollination is by water
(d) Primary endosperm nucleus is triploid

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