Q. Undifferentiated mass of plant cells grown on nutrient medium is called

 2239  242 J & K CETJ & K CET 2011Strategies for Enhancement in Food Production Report Error

Solution:

Callus is an unorganized and undifferentiated mass of actively dividing plant cells grown on culture medium from an explant. In , White, Gautheret and Nobecourt independently succeeded in raising callus.