ICSE Class 7 Answered
Acc to my book,there is geotropism which has been replaced by gravitropism in your M.C.Q's.
So my question is what is positive and negative tropism?
Asked by arymahajan24 | 07 Aug, 2016, 08:27: PM
Expert Answer
Gravitropism is another terms used for geotropism.
Positive gravitropism/geotropism – The growth of plants towards the gravity that is the growth of roots.
Negative gravitropism/geotropism – the growth of the plants against the gravity.
Answered by Hemangi Binny | 08 Aug, 2016, 11:41: AM