InterviewSolution
Saved Bookmarks
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.
| 251. |
The ciliary body itself continues forward to form a pigmented and opaque structure called theA. PupilB. IrisC. LensD. Ligaments |
|
Answer» Correct Answer - B The ciliary body itself continues forward to form a pigmented and opaque structure called the iris. |
|
| 252. |
The new potential developed in the post-synaptic neuron isA. ExcitatoryB. InhibitoryC. Either excitatory or inhibitoryD. Neither exciatory nor inhibitory |
|
Answer» Correct Answer - C The new potential developed in the post-synaptic neuron is either excitatory or inhibitory. |
|
| 253. |
The choroid layer is thin over the posterior two-thirds of the eye ball, but it becomes thick in the anterior part to form theA. IrisB. Ciliary bodyC. PupilD. Suspensory ligament |
|
Answer» Correct Answer - B The choroid layer is thin over the posterior two-thirds of the eye ball, but it becomes thick in the anterior part to form the ciliary body. |
|
| 254. |
Aqueous humour produced by the ciliary body is secreted into the posterior chamber and enters the anterior chamber through theA. pupilB. scleral venous sinusC. vitreous bodyD. suspensory ligament |
| Answer» Correct Answer - A | |
| 255. |
Cavity of vitreous humour in the eyes are situaedA. Behind the lensB. Infront of the lensC. Behind he retinaD. Between the retina and sclerotic |
| Answer» Correct Answer - a | |
| 256. |
In myopia, light rays from far off objects convergeA. Behind the retinaB. In front of the retinaC. On the retinaD. In the retina |
| Answer» Correct Answer - B | |
| 257. |
Cavity of vitreous humour in the eyes are situaedA. Behind the lensB. In front of the lensC. Behind the retinaD. Between the retina and sclerotic |
| Answer» Correct Answer - A | |
| 258. |
Overproduction of aqueous humour results inA. AstigmatismB. Fovea centralisC. Macula lutea or yellow spotD. Glaucoma |
| Answer» Correct Answer - D | |
| 259. |
A molecule cannot be tasted or smelled until it has beenA. Converted into proteinB. Converted into transmitterC. Grouped into multimolecular complexD. Dissolved in a liquid |
| Answer» Correct Answer - D | |
| 260. |
Short sightedness or myopic vision is corrected by wearingA. Convex lensesB. Concave lensesC. Convex mirrorsD. Concave mirrors |
| Answer» Correct Answer - B | |
| 261. |
A person suffering from deficiency of visual pigment rhodopsin is advised to take A. radish and potatoB. apple and grapesC. carrot and ripe papayaD. guava and ripe banana |
|
Answer» Correct Answer - C Carrot and ripe papaya contain cartoene from which vitamin-A is synthesised. Vitamin-A is necessary for the formation of rhodopsin. The visual pigments in vertebrate eyes are located in the trips of speciallised sensory cells called rod cell and cone cells. Rod cells contain rhodopsin and are reponsible for black and white vision. |
|
| 262. |
Other system from which nervous system coordinate & Integrate in synchronised fashion is:- |
| Answer» Correct Answer - Endocrine system | |
| 263. |
Cranial meninges do not consist ofA. duramaterB. arachnoidC. PiamaterD. Corpus callosum |
| Answer» Correct Answer - D | |
| 264. |
The anterior choroid plexus in the brain of man coversA. Corpora bigeminaB. Medulla oblongataC. DiencephalonD. Mesencephalon |
|
Answer» Correct Answer - C It is found at the roof of diencephalon. The anterior part of the diencephalon is vascular and folded to form the anterior choriod plexus. |
|
| 265. |
Vomiting centre is located in theA. medulla oblongataB. stomach and sometimes in duodenumC. GI tractD. hypothalamus |
| Answer» Correct Answer - A | |
| 266. |
End of spinal cord isA. Cauda equinaB. Conus terminalisC. Filum terminalisD. Funiculus |
| Answer» Correct Answer - B | |
| 267. |
The vomiting centre is situated inA. CerbrumB. CerebellumC. MedullaD. Hypothalamus |
| Answer» Correct Answer - C | |
| 268. |
Skeletal muscles are controlled byA. Sympathetic nervesB. Parasympathetic nervesC. Somatic nervesD. Autonomic nerves |
| Answer» Correct Answer - c | |
| 269. |
Paralysis of jaw muscles is due to loss of function of which cranial nerve ?A. IIIB. VC. VIID. X |
| Answer» Correct Answer - B | |
| 270. |
The respiratory and cardiac centres are located inA. cerebrumB. diencephalonC. crura cerebriD. medulla oblongata |
|
Answer» Correct Answer - B Medulla oblongata is the posterior most part of the brain.It contains centres which control respiration, salivation, sneezing cardiovascular reflexes and gastric secretions. |
|
| 271. |
The branched trr like structure present in cerebellum is or The tree of lifeA. ArborialB. AreoleC. Arbor vitaeD. Archenteron |
| Answer» Correct Answer - C | |
| 272. |
Skeletal muscles are controlled byA. Somatic nervesB. Autonomic nervesC. Parasympathetic nervesD. Sympathetic nerves |
|
Answer» Correct Answer - A Skeletal muscles are controlled by somatic nerves. |
|
| 273. |
The optic lobes in humans are represented by the corporaA. BigeminaB. QuadrigeminaC. ArenaceaD. Striata |
|
Answer» Correct Answer - B Optic lobes in humans are represented by corpora quadrigemina. |
|
| 274. |
Which of the following nerve innervates upper jaw of frogA. MaxillaryB. PatheticC. PalatineD. Occulomotor |
|
Answer» Correct Answer - a This is also sensory it brings sensory impulse from the skin of upper lip upper jaw, nasal mucosa and lower eyelids. |
|
| 275. |
The optic lobes in humans are represented by the corporaA. bigeminaB. arenaceaC. striataD. quadrigemina |
|
Answer» Correct Answer - D The upper or superior surface of the midbrain has two pairs of rounded protrusions collectively called the corpora quadrigemina, one pair is called superior colliculi and the other pair is called inferior colliculi.The superior and inferior colliculi of each side are termed the corpora bigemina.The superior colliculi are concerned with the sense of sight. |
|
| 276. |
Tree of life isA. branchial treeB. lymphatic systemC. arbor vitaeD. loop of henle. |
|
Answer» Correct Answer - C Arbor vitae is known as tree of life. Arbor vitae is a branching tree like arrangement of grey and white matter visible in the cross sectional area of cerebellar hemispheres . |
|
| 277. |
Nerve cell do not divide because they do not haveA. NucleusB. CentrosomeC. Golgi bodyD. Mitochondria |
|
Answer» Correct Answer - B Nerve cell are highly specialized cell which have no power of division because they do not have centrosome. |
|
| 278. |
Which of the following cells can detect, receive and transmit different kinds of stimuli ?A. NephronB. NeuronC. NeurogliaD. Macrophage |
|
Answer» Correct Answer - B Neuron can detect, receive and transmit different kinds of stimuli. |
|
| 279. |
Columella auris is a modifiedA. ArticularB. SphenthmoidC. HyomanibularD. Quadrate |
|
Answer» Correct Answer - C Hyomandibular is one pair of small cartilages or bone forming the donal ends of the hyoid arch of a vertebrate. Hyomendibular becomes modified to form an auditory ossicle the columella auris of amphibia. Reptiles and birds and the staps of mammals. |
|
| 280. |
Select the answer with correct matching of the structure, its location and function |
|
Answer» Correct Answer - c Hypthalamas is the floor of diencephalon which is the part of fore brain. It has thermoregulatory centre, hunger and thirst centre. |
|
| 281. |
Select the answer with correct matching of the stucture its location and functionA. `{:("Structure","Location ","Function "),("Eustachian tube ","Anterior part internal ear ","Equalizes air pressure on either sides of tympanic membrane"):}`B. `{:("Structure","Location ","Function "),("Cerebellum","Mid brain ","Controls respiration and gastric secretions "):}`C. `{:("Structure","Location ","Function "),("Hypothalamus","Fore brain ","Controls body temperature, urge for eating and drinking"):}`D. `{:("Structure","Location ","Function "),("Blind spot","Near the place where optic nerve leaves the eye ","Rods and cones are present but inactive here"):}` |
| Answer» Correct Answer - C | |
| 282. |
Which part of human brain is concerned with the regulation of body temperature ?A. Medula oblongataB. CerebellumC. CerebrumD. Hypothalamus |
| Answer» Correct Answer - D | |
| 283. |
Which part of human brain is concerned with the regulation of body temperature?A. Medulla oblongataB. CerebellumC. CerebrumD. hypothalamus |
|
Answer» Correct Answer - D In human brain, hypothalamus is a centre for hunger, thirst, sweating, sleep, fatigue, temperature, anger, pleasure, love, hate and satisfaction. Medulla oblongata is the centre for heartbeat, respiration, digestion, blood pressure, involuntary functions, and urination etc. Cerebellum regulates posture and balance. Cerebrum is the centre for intelligence, emotion will power, memory, consciousness, imagination, etc. |
|
| 284. |
When the intensity of light is low during night the light is deteched byA. RodsB. ConesC. LensD. Both rods and cones |
|
Answer» Correct Answer - a Rods are sensitive to dimlight. |
|
| 285. |
Which part of human brain is concerned with the regulation of body temperature ?A. CerebellumB. CerebrumC. HypothalamusD. Medulla Oblongata |
| Answer» Correct Answer - C | |
| 286. |
Given below is a diagrammatic cross section of a single loop of human cochlea Which one of the following options correctly represents the names of three different partsA. D : Sensory hair cells, A : Endolymph, B : Tectorial membraneB. A : Perilymph, B : Tectorial Membrane, C : EndolymphC. B : Tectorial membrane, C : Perilymph, D : Secretory cellsD. C : Endolymph, D : Sensory hair cells, A : Serum |
| Answer» Correct Answer - b | |
| 287. |
Given below is a diagrammatic cross section of a single loop of human cochlea Which one of the following options correctly represents the names of three different partsA. D : Sensory hair cells, A : Endolymph, B : Tectorial membraneB. A : Perilymph, B : Tectorial Membrane, C : EndolymphC. B : Tectorial membrane, C : Perilymph, D : Secretory cellsD. C : Endolymph, D : Sensory hair cells, A : Serum |
| Answer» Correct Answer - B | |
| 288. |
Given below is a diagrammatic cross section of a single loop of human cochlea Which one of the following options correctly represents the names of three different partsA. A - Perilmph, B - Tectorial membrane, C - EndolymphB. B - Tectorial membrane, C - Perilymph, D - Secretory cellsC. C - Endolymph, D - Sensory hair cells, A - SerumD. D - Sensory hair cells A - Endolymph, B - Tectorial membrane |
| Answer» Correct Answer - A | |
| 289. |
Sensory hair cells are present inA. CristaeB. MaculaeC. CochleaD. All of these |
| Answer» Correct Answer - D | |
| 290. |
Which of the following statement is not correct regarding cochlea?A. It consists of a bony spiral canal that makes about `2 3/4` turns aroundB. If contains three chambers, the upper scala vestibuli, middle scala media, and the lower scala tympaniC. The middle and lower chamber communicate through helicotromaD. Cochlea contains 16000 to 24000 hair cells arranged in four rows |
| Answer» Correct Answer - C | |
| 291. |
Which one does not involve brain ?A. Spinal reflexB. Cerebral reflexC. Cranial reflexD. Voluntary action |
|
Answer» Correct Answer - A Spinal reflex does not involve brain. |
|
| 292. |
Dorsal root of spinal nerve containsA. Sensory neurons onlyB. Relay and sensory neuronsC. Sensory and motor neuronsD. Motor and relay neurons |
|
Answer» Correct Answer - A Dorsal root of spinal nerve contains sensory neurons. |
|
| 293. |
Which of the following function is not associated with middle ear ?A. Amplification of sound waveB. Equilibrium of air pressureC. Transmission of sound wave from external ear to internal airD. Static equilibrium |
| Answer» Correct Answer - D | |
| 294. |
Tectorial membrane is present isA. Upper chamber of cochleaB. Middle chamber of membranous labyrinthC. Lower chamber of cochleaD. Between external ear and middle ear |
| Answer» Correct Answer - B | |
| 295. |
Largest ear ossicle isA. MalleusB. IncusC. StapesD. Columella auris |
| Answer» Correct Answer - A | |
| 296. |
Ear ossicle, incus is modifiedA. Jugal boneB. Articular boneC. Quadrate boneD. Hyomandibular bone. |
|
Answer» Correct Answer - C Ear Ossicles (3 pairs): (i) Malleus : Outer, largest and hammer shaped, attached to the inner side of ear drum. (ii) Incus : Middle and anvil shaped. Incus is modified quadrate bone. (iii) Stapes : Inner, smallest and stirrup shaped is attached to the oval window. Stapes is the smallest bone of human body while stapedius is the smallest muscle of human body. |
|
| 297. |
In man, the image formation occur on retina for most bright vision it should form onA. At the place of entry of optic nerveB. Blind spotC. Yellow spotD. At the junction of ciliary body and lens |
|
Answer» Correct Answer - C Fovea centrials, a shallow depression at the middle of yellow spot (macula lutea), has only cone cells and is the place of most distinct vision. |
|
| 298. |
As compared to rods the cones are …… times less sensitiveA. 100B. 200C. 300D. 400 |
|
Answer» Correct Answer - C The cones are about 300 times less sensitive than the rods but even this allows colour vision in any light greater than dimlight. |
|
| 299. |
The main function of cerebellum is the reflex control ofA. cardiac musclesB. skeletal musclesC. visceral musclesD. sensory organs |
| Answer» Correct Answer - B | |
| 300. |
How do parasympathertic neural signals affect the working the heartA. Both heart rate and cardiac output increaseB. Heart rate decreases but cardiac output increasesC. Reduce botyh heart rate and cardiac outputD. Heart rate is increased without affecting the cardiac output |
|
Answer» Correct Answer - c Post -ganglionic fibers of parasympathetic nervous system secrete accetylcholine which decrease heart rate and cardisc output. |
|