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Question

The principal pathway of translocation of water in angiosperms is through

A
Xylem vessel system
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B
Xylem and phloem
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C
Sieve tubes of phloem
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D
Sieve cells of phloem
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Solution

The correct option is A Xylem vessel system
The translocation of water from the roots to the leaf is caused by xylem vessels. This happens because of cohesion (water molecules are weakly attracted to each other via hydrogen bonds) and adhesion (water molecules form hydrogen bonds with the xylem cell wall).
So, the correct answer is option A.

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