A great video lecture conducted by experienced biology teacher on 12th class biology chapter 19 topic1 introduction chapter 19. Get full understanding or ask any questions.
Introduction Chapter 19, ch 19, lec 1, Introduction Chapter 19 - Inter Part 2 Biology
11:35
Growth and Development in Plants, ch 19, lec 1, Introduction Chapter 19 - Inter Part 2 Biology
5:24
