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Endosperm may either be completely consumed by the
developing embryo (e.g., pea, groundnut, beans) before seed
maturation or it may persist in the mature seed (e.g. castor
and coconut) and be used up during seed germination.
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Split
open some seeds of castor, peas, beans, groundnut, fruit of
coconut and look for the endosperm in each case.
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Find out
whether the endosperm is persistent in cereals – wheat, rice
and maize.