The hormone .................... is effective in prevention and retardation of growth, leaf wilting, etc.
There are two triangular swollen structure called .................... on the upper side of the medulla oblongata.
.................... performs the important role of pushing the water up during the night time.
.................... neurons conduct impulses from the sensory organs to the brain and the spinal cord.
The transport of food produced in leaves to each cell in the plant body is called ....................
The movement of root system towards stimulus of gravity is called ....................movement
Control of involuntary activities like the beating of the heart, blood circulation, breathing etc. are controlled by ...................


