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Standard XII
Biology
Classification of Pteridophytes
A rooted floa...
Question
A rooted floating leaved hydrophyte is
A
Nymphaea
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B
Hydrilla
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C
Ceratophyllum
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D
Eichhornia
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Solution
The correct option is
A
Nymphaea
Rooted Hydrophytes with Floating Leaves:
The roots of these type of hydrophytes are fixed in mud, but leaves have long
petioles which keep them floating on the water surface. Except leaves, the restof the plant body remains in water. Some examples are Nelumbo nucifera,
Nymphaea stellate (water lily), Trapa, Marsilea.
So the correct answer is 'Nymphaea'.
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Q.
Match the following from the following.
A
B
(A) Lemna
(i) Halophyte
(B) Vallisneria
(ii) Free floating hydrophyte
(C) Rhizophora
(iii) Amphibious plant
(D) Typha
(iv) Submerged rooted hydrophyte
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The waxy surface of floating leaves of the hydrophytes prevents
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In a hydrophyte, the submerged leaves compensate for the roots that plant belongs to the category of
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Petioles are inflated in floating hydrophytes
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This is an example of a root hydrophyte
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