Class 11 Biology Transport in Plants Absorption of water and Ascent of sap

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The principal pathways by which water is translocated in angiosperms is:

AIPMT 1990 All AIPMT

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

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Class 11 Questions

Class 11

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Transport in Plants

Subtopic

Absorption of water and Ascent of sap

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AIPMT 1990 Paper All AIPMT years →

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Which is the most widely accepted theory for the ascent of sap in trees?

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Assertion : Upward movement of water is called ascent of sap.
Reason : Upward movement of water occurs through xylem and phloem.

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