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| 361)Pseudounipolar neurous occur in | |||
| Retina of eye | Schneciderian membrane | ||
| Cells of dorsal root ganglion | Pyramidal cells of cerebral cortex | ||
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| 362)When the inside of membrane becomes more negative it leads to | |||
| Hyperpolarisation | Polarisation | ||
| Repolarisation | Depolarisation | ||
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| 363)The change in potential on applying a stimulus to a neuron is called | |||
| Action potential | Spike potential | ||
| Resting potential | Both (a) and (b) | ||
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| 364)The conduction rate of impulse is faster in case of | |||
| Non myelinated nerve fibres | Myelinated nerve fibres | ||
| Thicker nerve fibres | Both (b) and (c) | ||
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| 365)The act responsible for the depolarisation of the neuron is | |||
| Opening of voltage gated Na+ channel | Opening of voltage gated K+ channel | ||
| Closure of voltage gated Na+ channel | Closure of voltage gated K+ channel | ||
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| 366)Which of the following will be true in the presence of Ca2+ blockers | |||
| Neurotransmitter is not released but Na+ channel of post-synaptic neuron will open up | Neurotransmitter is released but Na+ channel of post-synaptic neuron will open up | ||
| Neither neurotransmitter is released nor Na+ channel of post-synaptic neuron open up | Neurotransmitter is released but Na+ channel of post-synaptic neuron will not open up | ||
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| 367)Activities of cerebellum are | |||
| All voluntary and may involve learning in their early stage | All involuntary but may involve learning in their early stage | ||
| All involuntary and do not involve learning in their early stage | All voluntary and do not involve learning in their early stage | ||
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| 368)The common fact about serotonin, acetylcholine, adrenaline and nor-adrenaline is | |||
| All are blood presure lowering drugs | All are pain relieving drugs | ||
| All are antidiuretic drugs | All are chemical transmitters or neurohormones | ||
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| 369)The genu and splenium in brain are associated with | |||
| Cerebrum | Medulla oblongata | ||
| Vermis | Cerebellum | ||
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| 370)The part of brain that involve in organising the behaviour of an organism related to its survival is | |||
| Cerebral cortex | Hypothalamus | ||
| Amygdal lobe | Corpus Callorsum | ||
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| 371)Which part of the brain palys an important role in emotional behaviour, such as aggression and remembering fear? | |||
| Amygdala | Limbic system | ||
| Thalamus | Hippocampus | ||
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| 372)Which of the following transmits impulses from one side of the cerebellum to the other? | |||
| Cerebellum | Corpona quadrigemina | ||
| Crura cerebri | Pens varoli | ||
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| 373)In which of the following the vomiting centre is situated? | |||
| Hypothalamus | Medulla | ||
| Cerebellum | Cerebrum | ||
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| 374)What is the function of choroid plexus? | |||
| To produce blood | To produce cerebrospinal fluid | ||
| To produce endolymph | To produce lymph | ||
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| 375)Superior cerebellar penduncles are the link between | |||
| Cerebellum and pons | Cerebellum and spinal cord | ||
| Cerebellum and medulla | Cerebellum and mid brain | ||
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