A pressure created by active secretion of salts and other solutes from other cells into xylem sap is called___________?
A. Transpiration pull
B. Root pressure
C. Osmotic pressure.
D. None of these
Cytoskeleton involved in assembly and disassembly of the sdle during mitosis is of_________?
A. Microtubules
B. Microfilaments
C. Intermediate filaments
D. None of these
The skeleton of sponges is made up of___________?
A. Calcium
B. Silica
C. Both of these
D. None of these
From right ventricle blood is pushed into?
A. pulmonary trunk
B. brain
C. aorta
D. body
A. Morgan
B. Darwin
C. Aristotle
D. Mendal
A. Mycorrizael association
B. Endomycorrhizae
C. Ectomycorrhizae
D. Lichen
Grave’s disease is produced due to____________?
A. Undersecretion of thyroxin
B. Overproduction of thyroxin
C. Undersecretion of corticosteroids
D. Overproduction of corticosteroids