Organic substances such as sugars are translocated in phloem can be demonstrated by

Defoliation

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Girdling the stem

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Grafting

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Root pressure

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Solution

The correct option is B Girdling the stem
Translocation of organic substances is the movement of organic nutrients from the region of the source to sink. Phloem (sieve tubes or sieve cells) is the pathway for this translocation, as proved by stem girdling, sieve tube puncture, radio autographs and sieve tube analysis experiment.
So, the correct answer is option B.

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Similar questions

Identify the correct set of statements related to the movement of substances through vascular tissues.

I. Xylem mainly translocates water, minerals salts and also organic solutes.

II. Phloem mainly translocates a variety of organic solutes and also inorganic solutes.

III. Xylem transports substances from roots to aerial parts of the plants.

IV. Phloem transports substances bidirectionally.

The materials transported during organic translocation by phloem is/are ___ .

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