CBSE Class 10 Science 2017 · Paper 31/1/1/C · Question 36
Draw a diagram showing different parts of an embryo of gram seed and label them.
Answer
The gram embryo has two cotyledons, which store food, with the plumule (future shoot) and radicle (future root) on a short embryonal axis.
Labelled diagram (see the figure). The embryo of a gram seed consists of:
(i) two cotyledons, which store food;
(ii) the plumule, the future shoot;
(iii) the radicle, the future root.
The plumule and the radicle lie at the two ends of a short embryonal axis to which the cotyledons are attached.
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