A) Microelements build up the plant body and different protoplasmic constituents
B) Turgor movements are mostly caused by influx and efflux of potassium, a macro element
C) Macro elements do not become toxic slight excess
D)
The concentration of a macroelement per gm of dry matter is at least 1 mg or 
Correct Answer: A
Solution :
Macro elements build up the plant body and different protoplasmic constituents. Microelements do not have such a role.
You need to login to perform this action.
You will be redirected in
3 sec
