14.3 Ascent of Sap
This video lecture from Transport (F.Sc. First Year Biology) covers ascent of sap in stem. The concepts of cohesion tension theory, root pressure and imbibition have been discussed in detail. 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.