Assertion : In angiosperms, transport of food and water is more efficient than gymnosperms and pteridophytes. Reason : In angiosperms longitudinally arranged sieve elements and vessels with perforated end walls are present.

Step-by-step solution

Vessels are much elongated tubes which are closed at either end and are formed by the union of several short, wide and thickened cells called vessel elements. The end walls of vessel elements are transverse or oblique. They are often completely dissolved. The condition is called simple perforation plate. In a few cases the end walls remain intact and possess several pores in reticulate, scalariform or forminate forms. Such an end wall is called multiple perforation plate. Sieve tubes are elongated tubular conductin