Class 11 NEET Biology Morphology Of Flowering Plants Questions Part 1

(a) : In litchi, aril forms the edible part in fruit. It is a collar like out growth from the base of the ovule forming a kind of third integument. Aril is also found in Asphodelus, Trianthema and Ulmus.
Litchi is a nut. In litchi, the epicarp and mesocarp (layers of pericarp) together become leathery and the endocarp is membranous.