Question

Consider the following function of xylem.

I. Conduction of water

II. Conduction of minerals

III. Mechanical support

Which of the function(s) of xylem given above is/are correct?

(a) Only I

(b) I, II and III

(c) II and III

(d) Only III

Answer 1

(b) I, II and III

All statements I, II and III are correct.

Xylem conducts both water and minerals from roots to the tip of shoot. It also provides mechanical support to the stem through its dead sclerenchymatous tissues and fibres.