Sexual Reproduction in Flowering Plants — BIOLOGY STD 12 Science — Question
Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYSexual Reproduction in Flowering Plants1 Mark
MCQ
An example of a seed with endoperm, perisperm and caruncle is:
A
Cotton
B
Coffee
C
Lily
✓
Castor
✓
Answer
Correct option: D.
Castor
Castor bean seeds contain an elaiosome $($caruncle$)$ which are fleshy structures that are attached to seeds of many plant species.
They are rich in lipids and proteins that attract ants, which disperse the seed $($myrmecochory$).$
Castor bean seeds are endospermic which means, the endosperm is the major storage tissue.
In perispermic seeds $($castor$),$ diploid maternal food storage tissue originates from the nucellus.
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