Question

Phloem conducts food by

• A. Perforated sieve plates
• B. Bast fibres
• C. Xylem parenchyma
• D. Xylem fibres

Answer 1

The correct option is A Perforated sieve plates

Sieve tubes elements are long, slender tube shaped structures, which are arranged in longitudinal manner to make sieve tubes with perforated end walls that make sieve plates. The sieve area / sieve plates are the depressed areas in their oblique end walls with cluster of pores that serve as passage in translocation of food.