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.
| 501. |
Horizontal cell synapses withA. Rods and conesB. Rods onlyC. Ganglionic cellsD. Amacrine cells |
| Answer» Correct Answer - A | |
| 502. |
Point at posterior pole, which is jmedial to and slightly above the posterior pole from where optic nerve leave is |
| Answer» Correct Answer - Blind spot | |
| 503. |
The chemical causing the transmission of nerve impulse across synapses is or The neurotranmitter which communicates between two neurons or between a neuron and a muscle aA. AcetylcholineB. CholinersteraseC. CholineD. Acetic acid |
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Answer» Correct Answer - a Arrival of an impulse at the synaptic knob causes the acetylcholine to be discharged into synaptic cleft. |
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| 504. |
Chemicals which are released at the synaptic junction are calledA. hormonesB. neurotransmittersC. lymphD. cerebrospinal fluid |
| Answer» Correct Answer - b | |
| 505. |
Reflex action isA. Stimulus `to` sensory `to` motor `to` responseB. Stimulus `to` motor `to` sensory `to` responseC. Reception `to` motor `to` sensory `to` responseD. Sensory `to` stimulus `to` motor `to` response |
| Answer» Correct Answer - a | |
| 506. |
Main function of cerebellum isA. BalacingB. To seeC. To hearD. Remembering |
| Answer» Correct Answer - a | |
| 507. |
Parasympathetic nerves arise from which region of the nervous systemA. ThoracolumbarB. CervicalC. CraniosacralD. Lumbar |
| Answer» Correct Answer - c | |
| 508. |
Aperture of pupil is controlled byA. ConjunctivaB. CorneaC. IrisD. Retina |
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Answer» Correct Answer - C Aperture of pupil is controlled by iris. |
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| 509. |
Suppose a person wears convex galsses for proper vision. Where you think the image of the object is formed in his eyes when he is not using the glassesA. On blind spotB. On yellow spotC. In front of retinaD. Behind the retina |
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Answer» Correct Answer - D In hypermetropia (far-sightedness), person cannot see near object clearly. A person wears convex lenses for prper vision. Wichout glasses the image of the object is produced behind the retina. |
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| 510. |
Assertion: Our body secretes adrenaline in intense cold. Reason: Adrenaline raises metabolic rate.A. If both assertion and reason are true and the reason is the correct explanation of the assertion, then mark a.B. If both assertion and reason are true but the reason is not the correct explanation of the assertion, then mark b.C. If assertion is true statement but reason is false, then mark c.D. If both assertion and reason are false statements, then mark d. |
| Answer» Correct Answer - A | |
| 511. |
Unidirectional transmission of nerve impulse through nerve fibre is due to the fact thatA. Nerve fibre is insulated by a medullary sheathB. Sodium pump start operating only at the cyton and then continues into the nerve fibreC. Neurotransmitters are released by dendrites and not by axon endingsD. Neurotransmitters are released by the axon endings and not by dendrites |
| Answer» Correct Answer - D | |
| 512. |
Area of cerebral cortex controlling vision isA. Frontal lobeB. Parietal lobeC. Temporal lobeD. Occipital lobe |
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Answer» Correct Answer - D Area of cerebral cortex controlling vision is occipital lobe. |
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| 513. |
Node of Ranvier occurs whereA. Nerve is covered with myelin sheathB. Neurilemma is discontinuousC. Neurilemma and myelin sheath are discontinuousD. Myelin seath is discontinuous |
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Answer» Correct Answer - D Node of Ranvier occurs where myelin sheath is discontinuous. |
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| 514. |
Nerve cells do not divide because they do not haveA. NucleusB. Golgi bodyC. MitochondriaD. Centrosome |
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Answer» Correct Answer - D Nerve cells do not divide because they do not possess centrosome. |
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| 515. |
Pigments present in cones of retina are connected withA. Night blindnessB. Accommodation of eyeC. Colour discriminationD. Image formation |
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Answer» Correct Answer - C Pigments present in cones or retina are connected with colour discrimination. |
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| 516. |
Which one is not a reflex action ?A. Closing the eye lids suddenlyB. Release of salivaC. Obeying the orderD. Pupilary constriction |
| Answer» Correct Answer - C | |
| 517. |
Human eye ball consists of three layers and it enclosesA. Lens, iris, optic nerveB. Lens, aqueous humor and vitreous humourC. Cornea, lens,irisD. Cornea,lens optic nerve |
| Answer» Correct Answer - B | |
| 518. |
Cornea and lens of eye areA. Transparent and help in image formation on retinaB. Transparent and diverge light rays on retina and image formationC. Sensitive and richly supplied by nervesD. Sensitive and richly supplied by blood vessels |
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Answer» Correct Answer - A Cornea and lens of eye are transparent and help in image formation on retina. |
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| 519. |
The wall of the eye ball is composed ofA. Three layers-photoreceptor, bipolar and ganglion cellsB. Three layers-sclera, cornea and retinaC. Three layers-sclera, choroid and corneaD. Three layers-sclera, choroid and retina |
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Answer» Correct Answer - D The adult human eye ball is nearly a spherical structure. The wall of the eye ball is composed of three layers-sclera, choroid and retina. |
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| 520. |
The adult human eye ball is nearly aA. Spherical structureB. Cylindrical structureC. Biconvex structureD. Biconvex structure |
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Answer» Correct Answer - A The adult human eye ball is nearly a spherical structure. |
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| 521. |
Choroid plexus is a network ofA. Muscle fibresB. Lymph capillariesC. Blood capillariesD. Nerves |
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Answer» Correct Answer - C Choroind plexus is network of blood capillaries. |
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| 522. |
The fourth cranial nerve of man isA. AbducensB. TrochlearC. AuditoryD. Oculomotor |
| Answer» Correct Answer - B | |
| 523. |
Consider the following statements sympathetic nervous system is characterised by 1. Acetylcholine as neuro secretion 2. Fight of flight activities 3. Longer preganglionic fibres 4. Non-medullated postganglionic fibres 5. Arising from thoracic-lumbar portionA. 1, 2 and 3B. 2, 4, and 5C. 2 and 4D. 1, 3 and 5 |
| Answer» Correct Answer - B | |
| 524. |
If the inside of membrane becomes more negative it leads toA. DepolarisationB. RepolarisationC. HyperpolarisationD. Polarisation |
| Answer» Correct Answer - C | |
| 525. |
The smallest cranial nerve in human being isA. TrigemminalB. AbducensC. OpthalmicD. Trochlear |
| Answer» Correct Answer - D | |
| 526. |
A typical value of resting membrane potential isA. `-100 mV`B. `-70 mV`C. `-40 mV`D. `-60 mV` |
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Answer» Correct Answer - B The electrical potential difference across the resting plasma membrane is called as the resting potential.Its value is -70mV |
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| 527. |
Myelin sheath is formed byA. Ranvier cellsB. muscle cellsC. Schwann cellsD. axon |
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Answer» Correct Answer - C Each segment of myelin sheath is formed by one Schwann cell.Myelin sheath is present in the myelinated nerve fibres.It is made up of a substance of lipids, proteins and water called myelin and serves as an insulating layer, preventing loss of energy of the nerve impulse during its passage along the fibre. |
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| 528. |
Injury to nerve in human is not likely to affectA. Pancreation secretionB. Cardiac movementsC. Tongue movementsD. Gastrointestinal movements |
| Answer» Correct Answer - C | |
| 529. |
Consider the following statements regading Na-K Pump 1. It utilizes ATP. 2. It acts on a resting neuron. 3. It invloves efflux of 3 `Na^(+)` per ATP. 4. It involves influx of 2 `K^(+)` per ATP. 5. Metabolic poisons stop the pump.A. 1 and 2B. 1, 2 and 5C. 3, 4 and 5D. 1, 2, 3, 4 and 5 |
| Answer» Correct Answer - D | |
| 530. |
Assertion : Neurons are excitable cells. Reason : The membrane of the neurons are in a polarised state.A. 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 Neurons are excitable cells because their membranes are in a polarised state. |
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| 531. |
Among which one of the following groups of chemicals, all are neurotransmitters ?A. Glycine, dopamine, melatoninB. Somatostatin, serotonin, acetylcholineC. Noradrenaline, somatostatin, threonineD. Acetylcholine, noradrenaline, dopamine |
| Answer» Correct Answer - D | |
| 532. |
The receptors of neurotransmitters are present on/in theA. Pre - synaptic membraneB. Synaptic cleftC. Post-synaptic membraneD. lon channels |
| Answer» Correct Answer - C | |
| 533. |
Identify the parts shown in the figure given below and select the option which says the correct statement. A. b is the structure whose hair cells act as visual receptors.B. a and c are filled with perilymph while d is filled, with the endolymph.C. a ends at the oval window and d ends at the round window .D. b contains a projecting ridge called the macula that acts as specific receptor for maintaining the body balance. |
| Answer» Correct Answer - C | |
| 534. |
The lungs, heart and stomach are supplied byA. VagusB. TrigeminalC. HypoglossalD. Glossopharyngeal |
| Answer» Correct Answer - A | |
| 535. |
Read the assertion and reson carefully to mark the correct option out of the options given below: Assertion :Rabies is acute infectious disease of warm blooded mammals characterized by involvement of central nervous system resulting in paralysis and finally death. Reason : This is caused due to neurotropic filterable bacteria in saliva of rabid animals.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 - C Rabies is an overwhlming encephalomyelits and includes severe headache and high fever with excitement and depression. This disease occurs by a virus called Rhabdovirus. |
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| 536. |
The space between cornea and the lens is calledA. Anterior chamberB. Aqueous chamberC. Vitreous chamberD. Canal of schlemm |
| Answer» Correct Answer - B | |
| 537. |
Parasympathetic nervous system increases the activity ofA. Gut, iris and urinary bladderB. Heart, adrenal and sweat glandC. Heart, pancrease and lacrimal glandD. Lacrimal gland and sweat gland |
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Answer» Correct Answer - A Parasympathetic nervous system stimulates the peristaltic movement of digestive tract, contracts the wall of urinary bladder and reduces the diameter of the pupil by contracting the iris. |
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| 538. |
Which cranial nerve is purely sensory?A. AbducensB. auditoryC. VagusD. Spinal accessory |
| Answer» Correct Answer - B | |
| 539. |
What is the space between arachnoid and piameter called ?A. Supra-arachnoid spaceB. Sub-arachnoid spaceC. Subdural spaceD. Meninges |
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Answer» Correct Answer - B Piameter is the innermost membrane of the brain and arachnoid is the middle membrane.The space between arachnoid and piameter is called sub-arachnoid space.This space is filled with cerebrospinal fluid |
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| 540. |
Which of the following cranial nerves is not a motor nerveA. IIB. IIIC. IVD. XII |
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Answer» Correct Answer - a The motor cranial nerves are III,IV,VI,XI and XII. |
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| 541. |
The human neural system is divided intoA. Two parts - CNS and PNSB. Two parts - CNS and ANSC. Three parts - CNS, PNS and ANSD. Three parts - Forebrain, midbrain and hindbrain |
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Answer» Correct Answer - A The human neural system is divided into two parts-CNS and PNS. |
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| 542. |
The electrical potential diference between outside and inside of a nerve axon before excitation is known asA. resting potentialB. action potentialC. spike potentialD. reaction potential |
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Answer» Correct Answer - A The electrical potential difference between outside and inside of a nerve fibre before excitation (polarised nerve fibre) is known as resting potentail whose value is -70 mV. |
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| 543. |
Purely motor nerve isA. OpticB. AbducensC. OpthalamicD. Palatinus |
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Answer» Correct Answer - b Abducens is motor nerve which arise from the ventral surface of medulla oblongata these nerve helps in rotation of eye balls. The optic are sesory nerve. Ophthalmic and palatinus are mixed nerve. |
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| 544. |
Injury to vagus nerve in humans is not likely to affectA. tongue movementsB. gastrointestinal movementsC. pancreatic secretionD. cardiac movements |
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Answer» Correct Answer - A Vagus nerve is a mixed cranial nerve which is controlling much of the gut, ventilatory system and heart. It does not affect tongue movements. Tongue movement is controlled by glossopharyngel nerve. |
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| 545. |
The process by which two or more organs interact is calledA. HomeostasisB. CoordinationC. AccommodationD. Adaption |
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Answer» Correct Answer - B The process by which two or more organs interact and complement the functions of one another is called coordination. |
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| 546. |
Sodium- potassium pump isA. A hormoneB. An enzymeC. A protein carrierD. An organelle |
| Answer» Correct Answer - c | |
| 547. |
Function of iris is toA. move lens forward and backwardB. refract light raysC. bring about movements of eyelidsD. alter the size of pupil |
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Answer» Correct Answer - D Iris controls the amount of light that reaches the photosensors at the back eye. It consists of circular sphincters and radial dilators. The function of iris is to alter the size of pupile. |
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| 548. |
Sodium-potassium pump transportsA. `Na^+ and K^+` out of the neuronB. `Na^+ and K^+` into the neuronC. `Na^+` into the neuron and `K^+` out of the neuronD. `K^+` into the neuron and `Na^+` out of the neuron |
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Answer» Correct Answer - B Each `Na^+ - K^+` pump expels three `Na^+` ions for every two `K^+` ions imported. |
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| 549. |
Craniosacral outflow refers toA. SympatheticB. ParasympatheticC. Both of theseD. None of these |
| Answer» Correct Answer - B | |
| 550. |
Retina is most sensitive atA. optic discB. peripheryC. macula luteaD. fovea centralis |
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Answer» Correct Answer - D Retina is most sensitice at fovea centralis. It is with a depression, fovea centralis in its middle-N it is the area of most distinct day vision. Yellow spot or macula lutea or area centralis is a small area on retina which lies opposite to optical axis of the lens. Only cones are present in this area so, it most sensitive to day light vision. |
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