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1., , Basal nuclei, clusters of neuron are present in, , (a) cerebellum, (c) cerebrum, , 2., , (b) diencephalon, (d) brain stem., , Statement B : Grey matter is primarily made up of, neuron cell bodies., (a) Both statements A and B are incorrect., (b) Both statements A and B are correct., (c) Statement A is correct but statement B is incorrect., (d) Statement B is correct but statement A is incorrect., Select the incorrect combination related to cranial nerves., , Nerve, , Composition, , (a) Optic, (b) Abducens, , Sensory, Mixed, , Vision, Extrinsic muscle, movement of eye, Movement of tongue, for swallowing, Movement of pharynx,, larynx, , (c) Hypoglossal Motor, (d) Accessory, , 4., , Function, , Motor, , Select the correct option regarding action of parasympathetic and sympathetic nervous system., [Key : (+) Stimulate, (—) Inhibit], Characteristicfeatures, , (a), (b), (c), (d), , 5., , Parasympathetic Sympathetic, , Salivary gland secretion, Heartbeat, , comprises of, The limbic system of human brain, (a) Thalamus, Hypothalamus and Myelencephalon, (b) Hippocampus, Amygdala and Septal nuclei, , (c) Hypothalamus, Wernicke's area and Mammary, , Read the following statements and select the correct, option., Statement A : In spinal cord, grey matter forms the inner, layer., , 3., , 8., , bodies, (d) Thalamus, Amygdala and Basal nuclei., 9., , Disorder caused by destruction of neurons in basal, ganglia, resulting in reduced dopamine in brain is, (b) Alzheimer's disease, (a) Rheumatoid arthritis, (d) Simmonds' disease., (c) Parkinson's disease, , 10. Which one of the following is correct regarding human, , neural system?, (a) The CNS is divided into somatic neural and, autonomic neural system., (b) The PNS comprises of 11 pairs of cranial nerves and, 13 pairs of spinal nerves., (c) The autonomic neural system is divided int, sympathetic and parasympathetic nervous system., (d) The CNS contains afferent fibres and efferent fibres., 11. Highly vascular and closely investing protective coat, , around brain is known as, (a) arachnoid membrane, , (c) duramater, , (b) piamater, (d) sub arachnoid space., , 12. Identify the labelled part of the brain, which contains, , centres for controlling respiration., , J, , Gastric glands, Pancreatic activity, , Rhombencephalon region of embryonic brain develops, into which brain structure in adult?, , (a) Thalamus, (c) Cerebrum, , 6., , Which was the first neurotransmitter isolated from, endings of parasympatheticneurons of vagus nerve in, , (a) Acetylcholine, (c) GABA, 7., , (b) Pons varolii, (d) Corpora quadrigemina, , (b) Dopamine, (d) Histamine, , Which structures of ear allow us to perceive position, with, (a), , Semicircular canal, , (c) Stapes, , (b) Utricle and saccule, (d) Eustachian tube, , s, , 13. The neurons present in, cerebral cortex having several, , dendrites and one axon are, called, (a) non-polar neurons, (b) unipolar neurons, (c) bipolar neurons, (d) multipolar neurons., 14. The place of most distinct, vision present in the retinaOf, the eye having cone cells, only is, (a) fovea centralis, (b) ora serrata, (c) macula lutea, (d) yellow spot.

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15., , Whichof the following factors is responsible for resting, membrane potential?, (a) More permeability of membrane for Na, (b) More permeability of membrane for K+, (c) Presence of negatively charged protein molecule, outside neuron, (d) Presence of positively charged protein molecule on, inner side of neuron, , 16. The largest ossicle present in the middle ear is, (b) stapes, (a) Eustachian tube, (d) malleus., (c) tensor tympani, , (c) Arachnoid mater, (d) Cerebrum and spinal cord, 20. Which receptors respond to the heat?, , (a) Nociceptors, (c) Caloreceptors, , 21. Which part of neuron is highly branched and afferent?, , (a) Axon, (c) Cyton, 22., , A., B., C., D., (a), (b), (c), (d), , 18. What is true in resting nerve?, (a) 3Na+ are pumped in and 2K+ pumped out, (b) 3Na+ are pumped out for every 2K+ pumped in, (c) There is no Na—Kpump, (d) Na—Kpump stops working, 19. Which of the following forms the cerebrospinal fluid?, (a) Choroid plexus, (b) Dura mater, , Select the incorrect statement., cell., , (b) Ageing neuron contain a pigment lipofuscin., , ColumnIl, , Rhodopsin, photopsin (i) Cochlea, Scala vestibuli, (ii) Skin receptors, Meissner's corpuscles (iii) Retina, (iv) External ear, Tympanum, A-(iii), B-(i), c-(ii), D-(iv), A-(i), B-(iii), c-(ii), D-(iv), A-(ii), B-(iii), C-(iv),D-(i), A-(iii), B-(iv), c-(ii), D-(i), , (b) Dendrite, (d) Both (a) and (b), , (a) The Nissl's granules probably synthesise fats for the, , 17. Match the column I with column Il and select the, correct option., , ColumnI, , (b) Algesia receptors, (d) Tangoreceptors, , (c) Nissl's granules are irregular masses of rough, endoplasmic reticulum., (d) None of these, 23. Resting membrane potential is maintained by, , (a) hormones, (c) ion pumps, 24., , (b) neurotransmitters, (d) enzymes., , Sensation of stomach pain is due to, , (a) interoceptors, (c) exteroceptors, , (b) proprioceptors, (d) teloreceptors., , 25. Why is it difficultto differentiatered and green colour, , objects in dark or in night?, (a) Rods work well only during day time., (b) Cones work well only during day time., (c) Rods work well only during night time., (d) Cones work well only during night time.