This video lecture from Transport (F.Sc. First Year Biology) covers Transport of sugars by phloem. Various proposed mechanisms involved in transport of sugar solutions in plants and related concepts have been discussed in detail. The lecture also discusses the need and importance of transpiration for plants despite its seemingly harmful effects. 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.