The Video lecture from Nutrition (F.Sc. First Year Biology) covers Heterotrophic nutrition in plants i.e. Saprophytic nutrition, Parasitic nutrition,Symbiotic nutrition and Insectivorous nutrition. It also explains different symbiotic relationships like Mycorrhiza , Lichens etc. Find more e-learning material and educational video lectures in Urdu at maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab.