Class 12th Biology 2017 Set2 Outside Delhi Board Paper Solution
Question 13
Explain the process of pollination in vallisneria. How is it different in water-lily, which is also an aquatic plant?
Answer
In vallisneria, the female flower reach the surface of water by the long stalk and the male flower or pollen grains are released into the surface of water. They are carried by water currents reaching the female flowers and the stigma.
In Water lily pollination takes place through wind or insect, female flower imerges above the surface of water and gets pollinated.
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