Question

Minerals are transported through _________ along the _________ stream of water.

(a) xylem, descending

(b) phloem, descending

(c) xylem, ascending

(d) phloem, ascending

This question was addressed to me during a job interview.

The doubt is from Mechanism of Absorption of Nutrients in division Mineral Nutrition of Biology – Class 11

Answer 1

Right option is (c) xylem, ascending

To explain: Minerals are transported through xylem along the ascending stream of water. Phloem is used for the translocation of solutes and sometimes organic nitrogen compounds. Phloem exhibits both upward and downward movement of food along with the movement of water in the adjacent cells.