InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 951. |
The human eye is sensitive only to light having wave length ranging fromA. 80 to 280 nanometresB. 380 to 760 nanometresC. 780 to 870 nanometresD. 880 to 980 nanometres |
| Answer» Correct Answer - b | |
| 952. |
Sympathetic neural system inducesA. Secretion of digestive juicesB. Increase in heart beat rateC. Secretion of salivaD. All of these |
| Answer» Correct Answer - B | |
| 953. |
Which of following is not the action fo sympathetic nervous systme ?A. Dilation of pupilB. Storage of bile in the gall bladderC. Constriction of peripheral arteriesD. Contraction in the wall of urinary bladder |
| Answer» Correct Answer - D | |
| 954. |
The neurotransmitter of preganglionic sympathetic fibre isA. DopamineB. EpinephrineC. AcetylcholineD. Norepinephrine |
| Answer» Correct Answer - C | |
| 955. |
Post-ganglionic nerve fibres of sysmpathetic system areA. AdrenergicB. CholinergicC. Both (a) and (b)D. None of these |
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Answer» Correct Answer - A The post-ganglionic nerve fibres of sympathetic nervous system are adrenergic i.e., they release the neurotrasnmitter nor-adrenaline at their terminaton. The sympathetic nerves stimulate the adrenal glands to secrete adrenaline. The post-ganglionic para-sympathatic fibres are cholinergic i.e., they release a chemical susbtance acetyl choline, a neurotransmitter, at thier endings for the trasnmission of nerve impulses. |
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| 956. |
Neural system which relays impulses from CNS to skeletal muscles is |
| Answer» Correct Answer - Somatic neural system | |
| 957. |
Which one of these transmits nerve impulse away from CNS ?A. OpticB. OlfactoryC. AbducensD. Auditory |
| Answer» Correct Answer - C | |
| 958. |
Post ganglionic fibre of sympathetic nervous system connected with sweat gland secreteA. AdrenalineB. EpinephrineC. AcetylcholineD. GABA |
| Answer» Correct Answer - C | |
| 959. |
Nerve cell body of pre-ganglionic fibre of sympathetic nervous system originates fromA. BrainB. Spinal cordC. Sympathetic chainD. All of these |
| Answer» Correct Answer - B | |
| 960. |
Post-ganglionic nerve fibres of sysmpathetic system areA. AdrenergicB. CholinergicC. VoluntaryD. None of these |
| Answer» Correct Answer - A | |
| 961. |
Human eyes are most sensitive to the wavelength ofA. 1000 ÅB. 5000 ÅC. 7000 ÅD. 20 Å |
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Answer» Correct Answer - B |
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| 962. |
The mixed nerve isA. AuditoryB. OcculomotorC. FacialD. Abducens |
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Answer» Correct Answer - C |
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| 963. |
A : The brain reaches between 75 and 80 percent of adult size withln the first two years, and its full size at the age of 6 years. R : From evolutionary point of view, human gestation period is belived to be shortening.A. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1).B. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2).C. If Assertion is true statement but Reason is false, then mark (3).D. If both Assertion and Reason are false statements, then mark (4). |
| Answer» Correct Answer - B | |
| 964. |
The CNS comprisesA. All the nerves of the bodyB. Brain and spinal cordC. Somatic neural system and autonomic nerural systemD. Sympathetic neural system and parasympathetic neural system |
| Answer» Correct Answer - B | |
| 965. |
A : Retina is arranged anatomically in reverse order from what might be expected. R : The receptor cells are , towards the outside and ganglionic cells towards the inside and light must pass through the nerve cells to reach them.A. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1).B. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2).C. If Assertion is true statement but Reason is false, then mark (3).D. If both Assertion and Reason are false statements, then mark (4). |
| Answer» Correct Answer - A | |
| 966. |
CNS is mostly made ofA. Motor neurons and sensory neuronsB. Sensory neurons and association neuronsC. Association neuronsD. Motor neurons and association neurons |
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Answer» Correct Answer - C CNS is mostly made of association neurons. |
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| 967. |
Read the following statements and find out the incorrect statements. a. Anatomically, the ear can be divided into three major sections called the outer ear, the middle ear and the inner ear. b. The outer ear consists of the pinna and external auditory meatus (canal). c. The tympanic membrane (ear drum ) is composed of connective tissue covered with mucus membrane outside and with skin inside. d. The ear ossicles reduces the efficiency of transmission of sound waves to the inner ear. e. The pinna collects the vibrations in the air which produce sound.A. a and bB. b and cC. c and dD. d and e |
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Answer» Correct Answer - C The tympanic membrane (ear drum) is composed of connective tissues covered with skin outside and with mucus membrane inside. ltBrgt The ear ossicles increases the efficiency of transmission of sound waves to the inner ear. |
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| 968. |
Second cranial nerve suppliesA. Retina and lensB. Retina and irisC. Cilitary musclesD. Retina only |
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Answer» Correct Answer - D Second cranial nerve (optic) suplies retina. |
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| 969. |
Which of the following is a part of our brain ?A. Corpora allataB. Corpora adiposaC. Corpora caradiacaD. Corpora quadrigemina |
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Answer» Correct Answer - D The dorsal portion of the midbrain consists mainly of four rounded lobes called corpora quadrigemina |
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| 970. |
the membranes enclosing the brain and spinal cord are known asA. MeningesB. MeningitisC. NephronD. Axon |
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Answer» Correct Answer - a Brain and spinal cord are surrounded by three meninges-duramater and piamater, arachnoid in mammals. |
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| 971. |
Which function will be lost if occipital lobe is damaged ?A. HearingB. SpeechC. VisionD. Memory |
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Answer» Correct Answer - C Occipital lobe is concerned with decoding and interpretation of visual information, shape and colour.Thus, if occipital lobe is damaged, vision will be lost. |
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| 972. |
Which of the following cranial nerves has the highest number of branches ?A. TrigeminalB. Facial nerveC. Vagus nerveD. None of these |
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Answer» Correct Answer - c Vagus nerve has five branches- (i) Susperior laryngeal nerve Recurrent laryngeal nerve (iii) Caridac nerve (iv) Pneumogastric nerve (v) Depresser nerve |
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| 973. |
A cranial nerve with maximum branches in the body isA. vagusB. auditoryC. facialD. trigeminal |
| Answer» Correct Answer - A | |
| 974. |
The set of mixed nerves isA. optic, auditory, olfactoryB. auditory, trigeminal, hypoglossalC. oculomotor, pathetic, abducensD. vagus, facial, trigeminal |
| Answer» Correct Answer - D | |
| 975. |
Fifth cranial nerve isA. opticB. trigeminalC. abducensD. facial |
| Answer» Correct Answer - B | |
| 976. |
In the knee jerk reflex effector and receptor areA. Muscle spindle and motor endplate respectivelyB. Afferent neuron and efferent neuron respectivelyC. Motor endplate and muscle spindle respectivelyD. Sensory neuron and motor neuron respectively |
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Answer» Correct Answer - C In the knee jerk reflex effector and receptor are motor endplate and muscle spindle respectively. |
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| 977. |
In a man, abducens nerve is injured. Which one of the following functions will be affected ?A. Movement of the eyeballB. SwallowingC. Movement of the tongueD. Movement of the neck |
| Answer» Correct Answer - A | |
| 978. |
Aqueous and vitreous humor are divided byA. LensB. IrisC. RetinaD. Optic nerve |
| Answer» Correct Answer - A | |
| 979. |
In the human ear, which bone is connected with the tympanum ?A. AnvilB. StirrupC. HammerD. None of these |
| Answer» Correct Answer - C | |
| 980. |
All the unconscious activities like heartbeat, involuntary breathing and gut peristalsis are controlled byA. Medulla oblongataB. Cerebrum and medullaC. Cerebellum and medullaD. Cerebrum and cerebellum |
| Answer» Correct Answer - A | |
| 981. |
The anterior portion on of the sclera is calledA. CorneaB. PupilC. Ciliary bodyD. Iris |
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Answer» Correct Answer - A The anterior portion on of the sclera is called cornea. |
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| 982. |
The correct sequence of meanings from inner to outer side isA. Arachnoid membrane `to` dura mater `to` pia materB. Dura mater `to` arachnoid membrane `to` pia meterC. Pia mater `to` arachnoid membrane `to` dura materD. Dura mater `to` pia mater `to` arachnoid membrane |
| Answer» Correct Answer - C | |
| 983. |
Cluster of neuron cell bodies within peripheral nervous system areA. NucleiB. GangliaC. LaminaeD. Fascicles |
| Answer» Correct Answer - B | |
| 984. |
Common neurotransmitter of peripheral nervous system isA. ColchicineB. EpinephrineC. GABAD. Acertylcholine |
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Answer» Correct Answer - D Common neurotransmitter of peripheral nervous system is acetylcholine. |
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| 985. |
Read the assertion and reson carefully to mark the correct option out of the options given below: Assertion : In man , only peripheral nervous system is present . Reason : The peripheral nervous system includes nerves coursing between the central nervous system and and different parts of the body .A. If both the assertion and the reason are true and the reason is a correct explanation of the assertionB. If both the assertion and the reason are true but the reason is a not correct explanation of the assertionC. If the assertion is true but the reason is falseD. If both the assertion and reason are false |
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Answer» Correct Answer - a The nervous system of human comparises of Central Nervous System-comprises of brain and spinal cord. Peripheral Nervous System-comprises of nerves present between brain and body parts. |
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| 986. |
Read the assertion and reson carefully to mark the correct option out of the options given below: Assertion : Spinal cord has a column of both grey and white matter . Reason : Grey matter forms the central spinal canal .A. If both the assertion and the reason are true and the reason is a correct explanation of the assertionB. If both the assertion and the reason are true but the reason is a not correct explanation of the assertionC. If the assertion is true but the reason is falseD. If both the assertion and reason are false |
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Answer» Correct Answer - b The spinal cord extends downwards from the brain stem. The grey matter from a column running along the central part of the spinal canal (= neurocoel, lined with ciliated fluid, running along the central part of the grey matter Grey matter is composed of nerve cells, bodies, dendrities and synapae. The white matter forms an outer column surrounding the grey matter at its centre. |
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| 987. |
Densely packed portion of macula lutea where visual activity is greatest is |
| Answer» Correct Answer - Fovea | |
| 988. |
Fovea centralis of retina perceivesA. Diffused lightB. Dim lightC. Coloured lightD. Coloured and dim light |
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Answer» Correct Answer - c Myopia or near sightedness is related abnormalities of eye in wich eye ball becomes elongated, increasing the horizontal axis of eye. The image is formed before retina instead of upon it. |
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| 989. |
In the central region of the retina, there is a yellowish spot, the macula lutea, with a depression in its centre that produces the sharpest vision. This depression is calledA. optic discB. rods and conesC. vitreous bodyD. fovea centralis |
| Answer» Correct Answer - D | |
| 990. |
Assertion : When a neuron is not conducting any impulse, i.e. resting, the axoplasm inside the axon contains high concentration of `K^(+)` and negatively charged proteins and low concentration of `Na^(+)`. Reason : In resting, the axonal membrane is comparatively more permeable to `K^(+)` ions and nearly impermeable to `Na^(+)` ions. Similarly, the membrane is impermeable to negatively charged proteins present in axoplasmA. If both assertion and reason are true and the reason is the correct explanation of the assertion.B. If both assertion and reason are true but reason is not the correct explanation of the assertion.C. If assertion is true but reason is false.D. If both assertion and reason are false. |
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Answer» Correct Answer - A When a neuron is not conducting any impulse, i.e resting, the axoplasm inside the axon contains high concentration of `K^(+)` and negatively charged proteins and low concentration of `Na^(+)`. In resting, the axonal membrane is comparatively more permeable to `K^(+)` ions and nearly impermeable to `Na^(+)` ions. Similarly, the membrane is impermeable to negatively charged proteins present in axoplasm. |
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| 991. |
Poisons like cyanide inhibit `Na^(+)` influx during cellular transport. This inhibitory effect is reversed by an injection of ATP. This demonstrates thatA. ATP is the carrier protein in the transport systemB. Energy for `Na^(+)-K^(+)` exchange pump comes from ATPC. ATP is hydrolysed by ATPase to release energyD. `Na^(+)-K^(+)` exchange pump operates in the cell |
| Answer» Correct Answer - B | |
| 992. |
The cornea is very important component of the human eye. The main function of it is toA. Change the shape of the lens to enable the image to be focused on the retinaB. Provide structural support to the eyeC. Absorb the `O_(2)` from atmosphereD. Refract the light towards the retina, helps in maximum focussing |
| Answer» Correct Answer - D | |
| 993. |
A : Sharpest vision is iin fovea centralis. R : The relationship of receptor to bipolar cells to ganglion cells is `1 : 1 : 1` within fovea centralis .A. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1).B. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2).C. If Assertion is true statement but Reason is false, then mark (3).D. If both Assertion and Reason are false statements, then mark (4). |
| Answer» Correct Answer - B | |
| 994. |
Myelin sheath is produced by or Mylin of the nerve fibres of the central nervous system is produced and maintained byA. Schwann cell and OligodendrocytesB. Astrocytes and Schwann cellsC. Oligodendrocytes and OsteoclastsD. Osteoclasts and Astrocytes |
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Answer» Correct Answer - a In CNS, myelin sheath is fomred by oligodendrocytes, while in PNX, it is formed by Schwann cells. |
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| 995. |
A : In the nervous system generation of action potential depends upon influx of sodium ion into axoplasm. R : Influx of sodium ion during nerve impulse generation is due to efflux of potassium ions .A. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1).B. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2).C. If Assertion is true statement but Reason is false, then mark (3).D. If both Assertion and Reason are false statements, then mark (4). |
| Answer» Correct Answer - C | |
| 996. |
Myelin sheath is produced by or Mylin of the nerve fibres of the central nervous system is produced and maintained byA. Schwann cells and oligodendrocytesB. Astrocytes and schwann cellsC. Oligodendrocytes and OsteoclastsD. Osteoclasts and Astrocytes |
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Answer» Correct Answer - A The myelin sheath is a greatly extended and modified plasma membrane wrapped around the nerve axon in a spiral fashion. It is originated from schwann cells in the peripheral nervous system and oligodendroglial cells in the central nervous system. |
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| 997. |
A : Receptors in the tendon , joints give information regarding the posilion and movements of different parts of the body. R : These are termed as nocl-receptors.A. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1).B. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2).C. If Assertion is true statement but Reason is false, then mark (3).D. If both Assertion and Reason are false statements, then mark (4). |
| Answer» Correct Answer - C | |
| 998. |
A : Presence of myein sheath increases the rate of conduction of nerve impulse. R : Ionic channels are absent in the area covered by myelin sheath therefore, depolarization occurs only at the nodes of Ranvier , resulting in saltatory or jumping conduction.A. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1).B. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2).C. If Assertion is true statement but Reason is false, then mark (3).D. If both Assertion and Reason are false statements, then mark (4). |
| Answer» Correct Answer - C | |
| 999. |
Rate of conduction of impulse will be faster in case ofA. Myelinated nerve fibreB. Thicker nerve fibreC. Non-myelinated nerve fibreD. Both (1) and (2) |
| Answer» Correct Answer - D | |
| 1000. |
In a medullated nerve fibre, the conduction of impulse is faster due to the presence ofA. PericytesB. Endoneurium and epineuriumC. Myelin sheath and nodes of RanvierD. Nissl granules |
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Answer» Correct Answer - C In a medullated nerve fibre, conduction of impulse is faster due to myelin sheath and nodes of Ranvier. |
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