First slide

Post-fertilisation: Structures and Events

Question

Identify the angiosperms in which endosperm is absent.

Moderate

A

Poaceae
B

Orchidaceae
C

Arecaceae
D

Annonaceae

Solution

Endosperm is absent in some of Angiosperms e.g. In Orchidaceae, Podostemaceae and Trapaceae.
The endosperm in Betelnut or Arecanut (Arecaceae) and Annonaceae family is rough surfaced. It is known as "ruminate endosperm".

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