While Touring a Farm,the Farmer Tells You That She Uses

Multiple Choice

While touring a farm,the farmer tells you that she uses cytokinin to increase crop productivity.But,from biology class you know that cytokinin alone has no effect on parenchyma cells.What other substance is the farmer most likely using in conjunction with cytokinin?

A) auxin
B) abscisic acid
C) strigolactones
D) ethylene
E) suberin