Class 12th Biology 2011 Set1 Delhi Board Paper Solution

Question 8

Normally one embryo develops in one seed but when an orange seed is squeezed many embryos of different shapes and sizes are seen. Mention how it has happened.

Answer
Polyembryony-
Some of the nuclear cells surrounding embryonic sac start to divide an protrude inside the embryonic sack and forms embryo.
 
Occurrence of more than embryo in a seed is called as polyembryony, as in orange.