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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.
| 201. |
The following cranial nerve plays an important role in regulating heart beatA. IXB. VIIC. XD. VIII |
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Answer» Correct Answer - c X-cranial nerve controls the viscral sensation, and visceral movements (peristalsis, sound production, respiratory movements heart beat) |
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| 202. |
Which of the following is an example of conditional reflexA. CyclingB. Withdrawal of hand on touching a hot plateC. Watering of mouth at smell of foodD. Flowing of tears while cutting onions |
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Answer» Correct Answer - A |
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| 203. |
If the sympathetic nerve to the heart is cut-off, the heart beat willA. IncreaseB. DecreaseC. Remains sameD. Stop |
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Answer» Correct Answer - c In myogenic heart, heart beat is continous even after the nerve supply is cut. |
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| 204. |
If parasympathetic nerve of the rabbit is cut then heart beatA. UnaffectedB. DecreasesC. IncreasesD. Stop |
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Answer» Correct Answer - C |
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| 205. |
Bony labyrinth of ear contians a fluid known asA. EndolymphB. PerilymphC. HumorD. Synovial fluid |
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Answer» Correct Answer - B Bony labyrinth of ear contains a fluid known as perilymph. |
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| 206. |
The membranous labyrinth is concerned withA. HearingB. BalancingC. Sound productionD. Hearing and balancing |
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Answer» Correct Answer - D |
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| 207. |
Bony labyrinth is filled with a fluid calledA. EndolymphB. PerilymphC. HumorD. Synovial fluid |
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Answer» Correct Answer - B Bony labyrinth of ear contains a fluid known as perilymph. |
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| 208. |
Bony labyrinth is filled with a fluid calledA. LymphB. PerilymphC. EndolymphD. Heamolymph |
| Answer» Correct Answer - B | |
| 209. |
Ora serrata isA. Anterior edge of sensory portion of the retinaB. Gland present in oral cavity of frogC. Oral cavity of protochordatesD. A part of sclera |
| Answer» Correct Answer - A | |
| 210. |
Bony labyrinth is filled with a fluid calledA. endolymphB. perilymphC. hololymphD. juxtalymph |
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Answer» Correct Answer - B Internal ear (membranous labyrinth) is surrounded by an almost similar shaped bony labyrinth.The membranous labyrinth is joined to the bony labyrinth at certain points, but its greater part is separated from the bony labyrinth by a narrow perilymphatic space.This space is filled with a watery fluid called perilymph that closely resembles cerebrospinal fluid. |
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| 211. |
A person entering an empty room suddenly fins a snake right in front on opening the door. Which one of the following is likely to happen in his neuro-hormonal control systemA. Neurotransmitters diffuse rapidly across the cleft and transmit a nerve impulseB. Hypothalamus activates the parasympa-thetic division of brainC. Sympathetic nervous system is activated releasing epinephrin and norepinephrin from adrenal cortexD. Sympathetic nervous system is activated releasing epinephrin and norepinephrin from adrenal medulla |
| Answer» Correct Answer - D | |
| 212. |
Ear drum isA. Tensor tymphaniB. Scala tympaniC. Tympanic membraneD. Scala vestibuli |
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Answer» Correct Answer - C Ear drum is tympanic membrane. |
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| 213. |
The malleus, incus and stapes are the modified bones of …….. Respectively.A. Articular, hyomandibular and quadrateB. Quadrate, articualar and hyomandibularC. Articular , quadrate and hyomandibularD. Quadrate, hyomandibular and articular |
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Answer» Correct Answer - C |
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| 214. |
A : Transmission of the nerve impulse across a synapse is accomplished by neurotransmitters . R : Transmission across a synapse usually requires neuro transmitters because there is space , i.e., synaptic cleft, that separates one neuron from another .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 | |
| 215. |
Sea gulls excrete excess of NaCl fromA. LiverB. LungsC. Nasal cavityD. Kidney |
| Answer» Correct Answer - c | |
| 216. |
The balancing orgain of ear isA. lagena and sacculusB. semicircular canal and utriculusC. semicircular canal and ossiclesD. otolith and lagena |
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Answer» Correct Answer - B Semicircular canal, sacculus and utriculus are receptors of equilibrium or balancing organs of ear. |
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| 217. |
Which of the following is balancing organ ?A. Organ of cortiB. CochleaC. Vestibular apparatusD. Oval window |
| Answer» Correct Answer - C | |
| 218. |
The activities of equilibrium, balancing and coordination of muscles are governed byA. Medulla oblongataB. cerebrumC. CerebellumD. pineal |
| Answer» Correct Answer - C | |
| 219. |
The coordination of body organs is required toA. Disturb the body homeostasisB. Maintain the body homeostasisC. Stop body homeostastisD. More than one option is correct |
| Answer» Correct Answer - B | |
| 220. |
The neural coordination isA. QuickB. Short - livedC. Point - to - pointD. All of these |
| Answer» Correct Answer - D | |
| 221. |
What does the coordination of body organs imply ? |
| Answer» The coordination of body organs implies that the various organs present in the body interact and complement the functions of one another . It implies that the body organs do not work independently rather they work in a synchronised fashion . | |
| 222. |
Find out the correct statement .A. The PNS is the site to information processing and controlB. All the nerves of the body associated with the PNS comprise CNSC. The autonomic CNS to the involuntary organs of the body.D. The CNS is divided into two divisions called sympathetic neural system and parasympatheitc neural system |
| Answer» Correct Answer - C | |
| 223. |
Whrite down the basic function of neurons. |
| Answer» Neurons are the highly specialised cells of the neural system whose function is to detect, receive and transmit different kinds of stimuli. | |
| 224. |
Multipolar neurons are found in theA. Retina of eyeB. Embryonic stageC. Both (1) & (2)D. Cerebral cortex |
| Answer» Correct Answer - D | |
| 225. |
What is the role of CNS in the human body ? |
| Answer» The CNS is the site of information processing and control. The information reaches the CNS through afferent nerve fibres of PNS in the form of electrical impulses. The information is then analysed and processed in the CNS and then accordingly the response is given by the CNS through efferent fibres of PNS. | |
| 226. |
Assertion:Multipolar neurons have two or more axons and one dendrite Reason:Multipolar neurons are found usually in the embryonic stage.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 - D Based on the number of axons and dendrites, the neurons are divided into three types i.e multipolar (with one axon and two or more dendrites, found in the cerevral cortex), bipolar (with one axon and one dendrite, found in the retina of eye) and uniploar (cell body with one axon: found usually in the embrynic stage). |
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| 227. |
How many axons and dendrites are present in the multipolar and bipolar neurons ? |
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Answer» Multipolar neurons : One axon and two or more dendrites. Bipolar neurons : One axon and one dendrite . |
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| 228. |
Write down the role of myelin sheath in the myelinated axons. |
| Answer» The myelin sheath acts as a biological electrical insulation, creating a region of high electrical resistance on the myelinated axons. | |
| 229. |
In a myelinated neuro, two adjacent myelin sheath separated by gaps calledA. Nodes of RanvierB. Synaptic cleftC. Schwann cellsD. Synaptic knob |
| Answer» Correct Answer - a | |
| 230. |
Which one of the following is essential for the formation of myelin sheathA. ZincB. SodiumC. IronD. Phosphorus |
| Answer» Correct Answer - B | |
| 231. |
The gaps between the two adjacent myelin sheaths are calledA. Node of RaunkierB. Synaptic knobC. Synaptic cleftD. Node of Ranvier |
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Answer» Correct Answer - D The gaps between the two adjacent myelin sheaths are called Node of Ranvier. |
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| 232. |
When the object is at a distance of more than 6 metres, at that timeA. Ciliary muscles are fully contractedB. Convexity of lens is maximumC. Eyes are fully relaxedD. All of these |
| Answer» Correct Answer - C | |
| 233. |
In hypermetropia, the image is formedA. Before retina and is corrected byt convex lensB. Behind retina and is corrected by convex lensC. Before retina and is corrected by concave lensD. Behind retina and is corrected by convave lens |
| Answer» Correct Answer - B | |
| 234. |
The pigment that helps eye to see in dim light isA. iodopsinB. RhodopsinC. haemocyaninD. haematin |
| Answer» Correct Answer - B | |
| 235. |
In old age, the vision of eye becomes dim. It is due toA. MyopiaB. HypermetropiaC. CataractD. Astigmatism |
| Answer» Correct Answer - C | |
| 236. |
In old age, the vision of eye becomes dim. It is due toA. myopiaB. hypermetropiaC. catarctD. astigmatism |
| Answer» Correct Answer - C | |
| 237. |
Acute vision is present inA. vultureB. sharkC. batD. frog |
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Answer» Correct Answer - A Acute vission is found in birds like vulture. |
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| 238. |
Iris hasA. rodsB. conesC. radial and circular musclesD. both (a) and (b) |
| Answer» Correct Answer - C | |
| 239. |
The iris of eye isA. PhotosensitiveB. ChemoreceptorC. CalororeceptorD. All |
| Answer» Correct Answer - A | |
| 240. |
The largest cranial nerve of the body isA. HypoglossalB. VagusC. GlossopharyngealD. Olfactory |
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Answer» Correct Answer - B |
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| 241. |
Acute vision is found inA. VultureB. FrogC. SharkD. Bat |
| Answer» Correct Answer - A | |
| 242. |
Iris of an is an extension ofA. CorneaB. ScleroticC. RetinaD. Both choroid and retina |
| Answer» Correct Answer - D | |
| 243. |
Fovea in the eye is a central pit in the yellowish pigmented spot calledA. RetinaB. Blind spotC. Macula luteaD. Cornea |
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Answer» Correct Answer - C Fovea is central pit of yellowish pigmented spot called macula lutea. |
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| 244. |
The change on the outer side of neuron isA. PositiveB. NegativeC. ZeroD. Alternate negative and positive |
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Answer» Correct Answer - A The charge on the outer side of neuron is +ve. |
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| 245. |
The charge on the oter side of the neuron isA. `+Ve`B. `-Ve`C. ZeroD. Alternate -Ve and +Ve |
| Answer» Correct Answer - A | |
| 246. |
Cornea tranplant in humans is almost never rejected. BecauseA. It is composed of enucleated cellsB. It is a non-living layerC. Its cells are least penetrable by bacteriaD. It has no blood supply |
| Answer» Correct Answer - D | |
| 247. |
Which is the visible coloured portion of eyeA. CorneaB. IrisC. LensD. Retina |
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Answer» Correct Answer - B Iris is the visible coloured portion of eye. |
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| 248. |
The charge on the outer side of neuron isA. PositiveB. NegativeC. ZeroD. Alternate negative and positive |
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Answer» Correct Answer - A The charge on the outer side of neuron is +ve. |
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| 249. |
Fovea in the eye is a central pit in the yellowish pigmented spot calledA. Blind spotB. RetinaC. Macula luteaD. Comea |
| Answer» Correct Answer - d | |
| 250. |
Fovea in the eye is a central pit in the yellowish pigmented spot calledA. RetinaB. CorneaC. ChoroidD. Macula lutea |
| Answer» Correct Answer - D | |