A great video lecture conducted by experienced biology teacher on 12th class biology chapter 18 topic1 photoperiodism. Get full understanding or ask any questions.
Photoperiodism, ch 18, lec 2, Photoperiodism - Inter Part 2 Biology
10:23
Explain Prthenocarpy, ch 18, lec 2, Photoperiodism - Inter Part 2 Biology
4:41
