(b) Manihot is the scientific name for tapioca, a tuber rich in starch.
Hibiscus esculentus is okra (bhindi).
Ricinus communis is castor oil plant.
(b) Sunflower is a dicotyledonous plant. Hence its embryo has two cotyledons.
(d) In guava, mesocarp and endocarp form the edible part. In date palm mesocarp is the edible part.
(b) The aleurone layer in maize grain is specially rich in proteins.
Aleurone is a protein found in the endosperm of many seeds.
(d) The juicy hair-like structures in the lemon fruit develop from the inner side of endocarp (from the placenta).
(b) Mesocarp is the edible part of Mangifera indica (Mango).
(b) Aril develops from outer seed coat and is the edible part of litchi.
(b) Pineapple (Ananas sativus) is a sorosis fruit developed from a composite inflorescence which is actually a cluster of compactly borne flowers on a common axis.
(a) Single cotyledon of embryo in cereal grain is represented by scutellum.
Coleoptile represents the covering of stem.
Coleorrhiza represents the covering of root.
(b) Aleurone cells are the outer cell layer of the endosperm.
The chromosome number is 63 of a plant with 42 chromosome in its root tip cells.
