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.
| 701. |
Cell bodies of neurons bringing afferent information into the spinal cord are located inA. dorsal root gangliaB. ventral root gangliaC. grey matter of the spinal cordD. white matter of the spinal cord |
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Answer» Correct Answer - A In each segment of the spinal cord, a spinal nerve arises from each side of the cord.Each spinal nerve connects with the cord through two nerve roots.The dorsal nerve root consists of a bundle of sensory axons (carrying afferent information) whose cell bodies are located in the dorsal root ganglion. |
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| 702. |
The medulla oblongata encloses theA. Fourth ventricleB. Second ventricleC. Optic lobeD. Otic capsule |
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Answer» Correct Answer - a The cavity of the hind brain, called fourth ventricle, is rhomboidal and limited to the anterior part of medulla oblongata. |
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| 703. |
The medulla oblongata encloses theA. fourth ventricleB. third ventricleC. second ventricleD. optic lobes |
| Answer» Correct Answer - A | |
| 704. |
Salivation in mammals is under the control ofA. Medulla oblongataB. mesencephalonC. hypothalamusD. cerebellum |
| Answer» Correct Answer - A | |
| 705. |
Which one of the following is spinal nerveA. HypoglossalB. TrigeminalC. OlfactoryD. None of the above |
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Answer» Correct Answer - d |
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| 706. |
During recovery, a nerve fibre becomesA. `+` vely charged on outside and `-` vely charged on insideB. `+` vely charged on both outside and insideC. `-` vely charged on outside and `+` vely charged on insideD. `-` vely charged on both outside and inside |
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Answer» Correct Answer - A During recovery, a nerve fibre becomes + vely charged on ouside and - vely charged on inside. |
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| 707. |
Focal length of eye lens is changed byA. PupilB. IrisC. CorneaD. Ciliary body |
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Answer» Correct Answer - D Focal length of eye lens is charged by ciliary body. |
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| 708. |
Human body temperature is regulated by the centre located inA. CerebrumB. CerebellumC. MedullaD. Hypothalamus |
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Answer» Correct Answer - D Human body temperature is regulated by the centre located in hypothalamus. |
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| 709. |
Third ventricle of brain is located inA. DiecephalonB. RhombencephalonC. MesencephalonD. Cerebrum |
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Answer» Correct Answer - A Third ventricle of brain is located in diencephalon. |
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| 710. |
Fight or flight reaction cause activation ofA. The pancreas leading to a reduction in the blood sugar levelsB. The parathyroid glands, leading to in creased metabolic rateC. The kidney, leading to suppression of renin-angiotensis-aldosterone pathwayD. The adrenal medulla, leading to increased secretion of epinephrine and norepinephrine |
| Answer» Correct Answer - D | |
| 711. |
Neuropeptides areA. neutrotransmitter chemicalsB. neurogliaC. products of the choroid plexusesD. Nutrients for brain tissue |
| Answer» Correct Answer - A | |
| 712. |
If the light source is front of an eye becomes bright suddenly.A. focus of lens will changeB. retinal blood supply is cutC. vitreous humour becomes fluidD. pupil will contract |
| Answer» Correct Answer - D | |
| 713. |
Cornea transplantation is successful as cornea isA. Easily availableB. Without blood supplyC. Easily preservedD. Easily stitched |
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Answer» Correct Answer - B Cornea transplantation is successful is cornea is without blood supply. |
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| 714. |
During conduction of nerve impulseA. `Na^(+)` moves out of axoplasmB. `Na^(+)` moves into axoplasmC. `K^(+)` moves into axoplasmD. `Ca^(2+)` moves into axoplasm |
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Answer» Correct Answer - B During conduction of nerve impulse `Na^(+)` moves into axoplasm. |
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| 715. |
Aqueous humorA. Is the pigment responsible of the black colour of the choroidB. Exits the eye through the canal of schlemmC. Can cause cataracts if over producedD. Is secreted by iris |
| Answer» Correct Answer - B | |
| 716. |
In a human being, the number of cranial nerves isA. 12 pairsB. 6 pairsC. 20 pairsD. 10 pairs |
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Answer» Correct Answer - A In a human being, the number of cranial nerves is 12 pairs . These are olfactory , optic, oculomotor, trochlear, trigeminal, abducens, facial, auditory, glossopharyngeal, vagus, accessory and hypoglossal nerves. |
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| 717. |
Which is absent in aqueous humor ?A. Carbon dioxideB. OxygenC. Hyaluronic acidD. Glucose |
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Answer» Correct Answer - C Hyaluronic acid is absent in aqueous humor. |
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| 718. |
Which of the following is not found in mammalian brainA. Subdural spaceB. Sub-arachnoid spaceC. OptocoelD. Durameter |
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Answer» Correct Answer - c |
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| 719. |
Which of the following is a characteristic feature of mammalian brain?A. CerebrumB. Corpus callosuC. PalliumD. Cerebelium |
| Answer» Correct Answer - B | |
| 720. |
Mammalian brain differs from an amphibian brain in possessingA. Olfactory lobeB. HypothalamusC. Corpus callosumD. Cerebellum |
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Answer» Correct Answer - c Corpus callosum is a thick whitish band of semichircular nerve fibres interoconnecting two cerebral hemispheres (Found only in mammals). |
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| 721. |
During `Na^(+)-K^(+)` pumpA. `3Na^(+)` and `2K^(+)` are transportedB. `1Na^(+)` and `2K^(+)` are transportedC. `3Na^(+)` and `3K^(+)` are transportedD. Depends on requirement of cell |
| Answer» Correct Answer - A | |
| 722. |
…… prevents the spreading of impulses within the neighbouring fibres.A. Nodes of RanvierB. SynapseC. Medullary sheathsD. None of these |
| Answer» Correct Answer - C | |
| 723. |
Transmission of nerve impulse at synapses is aA. biological processB. physical processC. chemical processD. mechanical process |
| Answer» Correct Answer - C | |
| 724. |
A polarised neurons is the one that isA. conducting stimulusB. at resting potentialC. having action potentialD. none of these |
| Answer» Correct Answer - B | |
| 725. |
The thalamus is located in theA. telencephalonB. mesencephalonC. diencephalonD. metencephalon |
| Answer» Correct Answer - C | |
| 726. |
The pneumotaxic center in the body is present inA. pons varolliB. lungsC. heartD. medulla |
| Answer» Correct Answer - A | |
| 727. |
The rectus eye muscle capable of causing the eye ball to turn laterally in a horizontal plane is innervated by which cranial nerve?A. Optic nerveB. Abducens nerveC. Facial nerveD. Oculomotor nerve |
| Answer» Correct Answer - B | |
| 728. |
Motor nerve isA. olfactoryB. opticC. oculomotorD. vagus |
| Answer» Correct Answer - C | |
| 729. |
Which of the following is not a structure of the eye?A. conjunctivaB. Suspensory ligamentC. Basilar membraneD. Macula lutea |
| Answer» Correct Answer - A | |
| 730. |
Which one of the following statement is correctA. Neither hormones control neural activity nor the neurons control endocrine activityB. Endocrine glands regulate neural activity, but not vice versaC. Neurone regulate endocrine activity, but not vice verseD. Endocrine glands regulate neural activity, and nervous system regulates endocrine glands |
| Answer» Correct Answer - d | |
| 731. |
Pituicytes are under the control ofA. AdenohypophysisB. HypothalamusC. NeurohypophysisD. Both (a) and (c) |
| Answer» Correct Answer - b | |
| 732. |
Potential difference across resting membrane is negatively charged. This is due to differential distribution of the following ions.A. `Na^+ & K^+ ` ionsB. `CO_(3++) & Cl^- ionsC. `Ca^(++) & Mg^(++) ` ionsD. `Ca^(+4) & CL^- ions |
| Answer» Correct Answer - a | |
| 733. |
layer of eye ball, which contain many blood vessels and buish in colour is |
| Answer» Correct Answer - Choroid | |
| 734. |
Which of the following layer of the eye ball contains many blood vessel and looks bluish in colour ?A. ScleraB. ChoroidC. RetinaD. Both B and C |
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Answer» Correct Answer - B Choroid layer of the eye ball contains many blood vessel and looks bluish in colour. |
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| 735. |
Assertion:Medulla contains centres which control respiration, cardiovascular reflexes and gastric secretions. Reason:Medulla contains several neurosecretory cells which secrete hormones.A. If both assertion and reason are true and reason is the correct explanation of assertion.B. If both assertion and reason are true but reason is not the correct explanation of 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 - C The medulla contains centres which control respiration, cardiovascualar reflexes and gastric secretions. The hypthalamus is the basal is the part of diencephalon (forebrain) which contains several groups of neurousecretory cells called nuclei that prduce hormones. |
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| 736. |
Which of the following cranial nerves are linked with taste buds ?A. VII & IIIB. IX & IIC. IV & VIIID. VII & IX |
| Answer» Correct Answer - D | |
| 737. |
Total number of taste buds in the human tongue is approximatelyA. `1000`B. `10,000`C. `1,00,000`D. `50,000` |
| Answer» Correct Answer - B | |
| 738. |
The pupil becomes bigger to allow more light during dark by theA. Contraction of radial muscles of the irisB. Relaxation of radial muscles of the irisC. Contraction of cicular muscles of the irisD. Contraction of suspensory ligaments |
| Answer» Correct Answer - A | |
| 739. |
Taste buds detect the substance only when the substance isA. SolidB. SemisolidC. SemiliquidD. Liquid |
| Answer» Correct Answer - D | |
| 740. |
Primary function of myelin sheath around vertebrate axon is toA. Regulate `Na^(+)//K^(+)` pumpB. Increase in size of action potentialC. Increase in speed of conduction by preventing leakage of nerve impulseD. Deactivate the release of neurotransmitter |
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Answer» Correct Answer - C Primary function of myelin sheath around vertebrate axon is to increase in speed of conduction by preventing leakage of nerve impulse. |
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| 741. |
Eye is said to be near- sighted when aA. Near object is focussed in front of the retinaB. Distant objects is focussed in front of retinaC. Near object is focussed behind the retinaD. Distant object is focussed behind the retina |
| Answer» Correct Answer - B | |
| 742. |
Conjuctiva of eye is derived fromA. MesodermB. EctodermC. EndodermD. Endomesoderm |
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Answer» Correct Answer - B Conjunctiva of eye is derrived from ectoderm. |
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| 743. |
The point of eye where the visual activity (resolution) is greatestA. Blind spotB. Macula luteaC. FoveaD. Corpus lutea |
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Answer» Correct Answer - C At the posterior pole of the eye lateral to the blind spot, there is a yellowish pigmented spot called macula lutea with a central pit called the fovea. The fovea is a thinned-out portion of the retina where only the cones are densely packed. It is the point where the visual acuity (resolution) is the greatest. Rods are absent at fovea. |
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| 744. |
Fish are able to see under water becauseA. Both lens and cornea are sphericalB. Cornea is spherical, lens is flatC. Cornea is flat, lens is sphericalD. Both lens and cornea are flat |
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Answer» Correct Answer - D Fish are able to see under water because lens and cornea are flat. |
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| 745. |
Propioreceptors are found inA. Sole of feetB. Adrenal cortexC. HypothalamusD. Medulla |
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Answer» Correct Answer - A Propioreceptors are found in sole of feet. |
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| 746. |
When the blue, red and green cones are stimulated equally, it produced a sensation ofA. Black lightB. Orange lightC. White lightD. No light |
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Answer» Correct Answer - C In the human eye, there are three types of cones which possess their own characteristic photo-pigments that respond to red, green and blue lights. The sensations of different colours are produced by various combinations of these cones and their photopigments. When these cones are stimulated equally, a sensation of white light is produced. |
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| 747. |
Pavlov is famous for his poineer work onA. Double circulationB. Treatment of rabiesC. Mutation in primroseD. Conditioned reflex in dog |
| Answer» Correct Answer - D | |
| 748. |
The part of the brain which is connected to spinal cord isA. PonsB. CerebellumC. HippocampusD. Medulla oblongata |
| Answer» Correct Answer - D | |
| 749. |
In a frog, the connection between brain and spinal cord is severed. The leg of such a frog is picked by a sharp needle. Then it is most likely that the animal willA. Not show any reactionB. Move the leg that is pickedC. Move the leg and feel the painD. Do not move the leg but feel the pain |
| Answer» Correct Answer - B | |
| 750. |
Colour blindness is due to defect inA. ConesB. RodsC. Rods and conesD. None of the above |
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Answer» Correct Answer - A Colour blindness of due to defect in cones. |
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