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What type of pollination takes place in Vallisneria?

  1. A
    Pollination occurs in submerged conditions by water.
  2. B
    Flowers emerge above the surface of water and pollination occurs by insects.
  3. C
    Flowers emerge above the water surface and pollen is carried by the wind.
  4. D
    Male flowers are carried by water currents to female flowers at the surface of the water.

Solution & Step-by-step Explanation

Vallisneria exhibits epi-hydrophily:The female flower reaches the surface of the water by a long stalk.Male flowers or pollen grains are released on the surface of the water.They are carried passively by water currents; some eventually reach the female flowers and the stigma.

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What type of pollination takes place in Vallisneria?
A
Pollination occurs in submerged conditions by water.
B
Flowers emerge above the surface of water and pollination occurs by insects.
C
Flowers emerge above the water surface and pollen is carried by the wind.
D
Male flowers are carried by water currents to female flowers at the surface of the water.

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