Q. Assertion: -celled, nucleate and monosporic embryosac is called Polygonum type of embryo sac.
Reason: It was discovered by Hofmeister for the first time in Polygonum.

 2660  205 AIIMSAIIMS 2007 Report Error

Solution:

Embryo sac is the female gametophyte of angiosperms. It was observed by Hofmeister first time. Polygonum type of embryo sac is most simple, most primitive and normal, type of embryo sac. It is celled, -nucleate and monosporic embryo sac. It was discovered for the first time in Polygonum by Strasburger.