Question

In angiosperms, during development of embryo, the suspensor cells develop from:

• A. Oospore
• B. Integument
• C. Cotyledon
• D. Endosperm

Answer 1

The correct option is A Oospore

The suspensor of the embryo develops from the zygote or the oospore.

• The first division in zygote divides it into one large (basal) and one small (terminal) cell.
• After subsequent divisions, the apical cell develops into the embryo and basal cell develops into the suspensor.
• The suspensor pushes the developing embryo into the nutritive region of the endosperm. The haustorium present at the micropylar end of the suspensor helps to absorb nutrients from the endosperm.