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Phloem Transport

Xylem is asso...

Question

Xylem is associated with the translocation of:
(i) Water and mineral salts
(ii) Organic nitrogen
(iii) Plant growth regulators

A

(i)

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B

(i) and (ii)

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C

(ii) and (iii)

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D

(i), (ii), and (iii)

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Solution

The correct option is D (i), (ii), and (iii)
Xylem transports water with dissolved minerals, organic nitrogen as amides/ureides, and hormones or growth regulators.

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Similar questions

Q. Select the correct option:
i. Xylem helps carry water from roots to other parts of plant.
ii. Xylem translocates mineral salts along with descending stream of water.
iii. Transpiration pull is responsible for the translocation of mineral salts in water.

Q. Which of the following statements is/are not correct?
(i) Water and minerals, and food are generally moved by a mass or bulk flow system.
(ii) Bulk flow can be achieved either through a positive hydrostatic pressure gradient or a negative hydrostatic pressure gradient.
(iii) The bulk movement of substances through the conducting tissues of plants is called translocation.
(iv) Xylem translocates organic and inorganic solutes, mainly from roots to the aerial parts of the plants.
(v) Phloem translocates water, mineral salts, some organic nitrogen and hormones, from the leaves to other parts of the plants.

Q. Assertion :Xylem transports water and dissolved mineral salts from the roots to the rest of the plant. Reason: Phloem translocates organic solutes from the leaves to various parts of the plant

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 from leave to other parts of the plants.

Q. Choose the correct option. Mycorrhiza helps in
(i) absorption of water (ii) mineral nutrition (iii) translocation (iv) gaseous exchange

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