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ADH controls water permeability of
collecting tube
distal convoluted tubule
proximal convoluted tubule
bowman's capsule
B.
distal convoluted tubule
ADH or vasopressin is effective in reabsorption of water by changing permeability of DCT (distal collecting tubules) or collecting ducts.
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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
B.
Na+ from extracellular fluid to intracellular fluid
Nerve impulse is a wave of bioelectric disturbance that passes along a nerve during conduction of an excitation. The electrochemical potential developed during depolarisation is called action potential during which Na+ from extracellular fluid move the intracellular fluid.
Apis dorsata refers to
rock bee
little bee
Indian bee
European bee
A.
rock bee
Apis dorsata is the scientific name of rock bee. It is found in the region of South and Southeast Asia. It is around 17- 20 mm long. Nests are mainly built in exposed places such as on tree limbs, buildings etc.
Which are the longest cells in the body of man ?
Muscle cells of legs
Bone cells
Nerve cells
None of the above
C.
Nerve cells
The longest cell in human body is neurons or nerve cells. They are located in the base of spinal cord.
Which of the following is not a character of Chordata?
Dorsal tubular nerve cord
Pharyngeal gill slits
Presence of notochord
Presence of spinal cord
D.
Presence of spinal cord
Presence of spinal cord is not a characteristic feature of all chordates.
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Mock Test Series
