Factors affecting on the rate of Photosynthesis lecture for Biology, Botany, Zoology, and Chemistry Students by Salman Saeed lecturer Botany University College of Management and Sciences Khanewal, Pakistan. About Author: Salman Saeed Qualification: M.SC (Botany) Gold Medalist, M. Phil (Biotechnology) from BZU Multan. M. Ed & B. Ed from GCU Faisalabad, Pakistan. Email: Salmanbotanist@gmail.com