A. Active transport.
B. Passive transport.
C. Diffusion.
D. none of these.
Show AnswerAnswer = Option B
Coordination and Control
Cell membrane under resting conditions is impermeable to all the ions except
A. Na+
B. K+
C. Cl-
D. PO4-2
Show AnswerAnswer = Option B
Maintenance of normal resting potential via movement of K+ inside the cell and na+ out is a/an _______ process.
A. Active
B. Passive
C. Diffusional
D. None of these.
Show AnswerAnswer = Option A
Type of neurons found exclusively in CNS are:
A. Sensory neurons
B. Motor neurons
C. Associative neurons
D. None of these.
Show AnswerAnswer = Option C
Which of the following statement about neuron is incorrect?
A. They not only conduct impulses but also generate them.
B. They are not the only cellular component of nervous system.
C. They may show limited regenerative capabilities.
D. Like all the living cell, when they mature and divide to form similar cells.
Show AnswerAnswer = Option D
Nissl’s granules are present in which part of the neuron?
A. Axoplasm
B. Myelin sheath.
C. Dendrite.
D. Soma.
Show AnswerAnswer = Option D
Which type of sensory structures carry deep pressure and vibration sensations?
A. Hair end organs
B. Meissner’s Corpuscles.
C. Pacinian corpuscles.
D. none of these.
Show AnswerAnswer = Option C
Which type of sensory structures carrying the touch sensations are present in papillae extending into ridges of the fingertips?
A. Hair end organs
B. Meissner’s Corpuscles.
C. Pacinian corpuscles.
D. None of these.
Show AnswerAnswer = Option B
Type of sensations carried by nociceptors are:
A. Touch.
B. Temperature.
C. Pressure.
D. Pain
Show AnswerAnswer = Option D
Which type of the receptors are present in the ear?
A. Chemoreceptors
B. Mechanoreceptors
C. Photoreceptors
D. Thermoreceptors
Show AnswerAnswer = Option B