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FSc Biology Book2, CH 16, LEC 2: Significance of Secondary Growth in Plants

http://www.dailymotion.com/video/x14qwj2_fsc-biology-book2-ch-16-lec-2-significance-of-secondary-growth-in-plants_school

This video lecture from Support and Movement (F.Sc. second year Biology) covers: growth in plants i.e. primary and secondary growth, annual ring, callus formation, sapwood and heartwood in plants. 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.

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