Pacinian corpuscles occur in the skin of certain parts of body in mammals. These are
Options
(a) type of glands (b) pain receptors (c) naked tactile receptors (d) encapsulated pressure receptors
Correct Answer: […]
When the light intensity changes from 1 to 100 units, the response of the eye will increase by
Options
(a) 0.01 (b) 10 (c) 100 (d) 200
Correct Answer:
10
Explanation:
No explanation […]
Nervous conduct impulses by
Options
(a) chemical signals (b) electric signals (c) physical signals (d) thermal signals
Correct Answer:
electric signals
Explanation:
No explanation available. Be the first to write the explanation for […]
Which of the cranial nerve of man is both sensory and motor?
Options
(a) optic (b) abducens (c) alfactory (d) trigeminal
Correct Answer:
trigeminal
Explanation:
No explanation available. Be the first to write […]
UV-B radiation from sun causes which of the following disorder of eyes?
Options
(a) dilation of pupil (b) cataract (c) some defect of retina (d) glaucoma
Correct Answer:
cataract
Explanation:
UV radiation is a […]
Which of the following acts a slow neurotransmitter?
Options
(a) GABA (b) epinephrine (c) adrenaline (d) acetylcholine
Correct Answer:
GABA
Explanation:
No explanation available. Be the first to write the explanation for this […]
In the ear of man, the perilymph passes from middle to inner ear through
Options
(a) foraman ovale (b) fenestra rotundus (c) fenestra ovalis (d) tympanic membrane
Correct Answer:
fenestra ovalis
Explanation:
No […]
The transmission of nerve impulse from one neuron to other, is faciliated by
Options
(a) adrenaline (b) cholesterol (c) kinetin (d) acetylcholine
Correct Answer:
acetylcholine
Explanation:
No explanation available. Be the first to […]
Myelin of the nerve fibres of the central nervous system is produced and maintained by
Options
(a) oligodendrocytes (b) astrocytes (c) microglia (d) schwann cells
Correct Answer:
schwann cells
Explanation:
No explanation available. […]
The shape of eye lens is changed by
Options
(a) pupil (b) iris (c) optic nerve (d) ciliary muscle
Correct Answer:
ciliary muscle
Explanation:
No explanation available. Be the first to write the […]
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