Which one is uricotelic ?
Frog and toads
Lizards and birds/cockroach
Cattle, monkey and man
Molluscs and teleost fishes
B.
Lizards and birds/cockroach
Uricotelic organisms are the organism that excrete nitrogen mostly in the form of uric acid. Animals that live in dry (arid) conditions are uricotelic. Uric acid is the main excretory nitrogenous product, discharge in solid form in uricotelic animals. Eg, Cartilaginous fishe, bony fish, amphibians and mammals.
During the conduction of nerve impulse, the action potential is the result of movement of
Na+ from intracellular fluid to extracellular fluid
Na+ from extracellular fluid to intracellular fluid
Na+ towards both directions
None of the above
ADH controls water permeability of
collecting tube
distal convoluted tubule
proximal convoluted tubule
bowman's capsule
Which are the longest cells in the body of man ?
Muscle cells of legs
Bone cells
Nerve cells
None of the above
Which of the following is not a character of Chordata?
Dorsal tubular nerve cord
Pharyngeal gill slits
Presence of notochord
Presence of spinal cord
Vitamin essential for proper functioning of liver and clotting of blood is
Vitamin- K
Vitamin- A
Vitamin- E
Vitamin- B12
The sliding filament theory of muscle contraction was proposed by
A.F. Huxley and A.P. Pullman
A.F. Huxley and H.E. Huxley
B. Pullman and A.F. Huxley
A. Pullman and E. Pullman
