The diagram shows a model to demonstrate the mass flow hypothesis of translocation.
In a plant, what are the structures W, X, Y and Z and what is the direction of flow of solution along W?

1 )
A
B
3 )
C
4 )
D
تحلیل ویدئویی تست
تحلیل ویدئویی برای این تست ثبت نشده است!