Question
Identify the set of correct statements:
A. The flowers of Vallisneria are colourful and produce nectar.
B. The flowers of water lily 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.
Choose the correct answer from the options given below.
Options
Solution
Sol. [Key Concept: Pollination in aquatic plants]
A is false: water pollinated flowers such as those of Vallisneria are generally inconspicuous and lack nectar. B, C, D and E are correct. Water lily is pollinated by insects or wind rather than water. Many hydrophilous pollen grains have a protective mucilaginous covering; submerged seagrasses such as Zostera have ribbon like pollen transported underwater. Vallisneria is associated with pollination at the water surface. Hence, option (2).
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