The reflex arc, which is made of two neurons is known as from Bi

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 Multiple Choice QuestionsMultiple Choice Questions

281.

Electric potential of the brain is recorded by

  • CT scan

  • Sphygmomanometer

  • ECG

  • EEG


282.

The part of the brain where the centre for hunger and thirst is located is

  • cerebrum

  • hypothalamus

  • cerebellum

  • medulla oblongata


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283.

The reflex arc, which is made of two neurons is known as

  • monosynaptic reflex arc

  • disynaptic reflex arc

  • polysynaptic reflex arc

  • asynaptic reflex arc


A.

monosynaptic reflex arc

Reflex arc is the arrangement of neurons in the pathway that always passes through central nervous system. The axon of one neuron ends on the dendrites of next neuron. Such a junction is called synapse. Monosynaptic reflex arc has only two neurons, ie, sensory and motor which forms one synapse.


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284.

Which of the following does not act as a neurotransmitter

  • Acetylcholine

  • Epinephrine

  • Glutamic acid

  • Tyrosine


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285.

Which centre is stimulated during increase in body temperature?

  • Anterior hypothalamus

  • Posterior hypothalamus

  • Limbic system

  • Red nucleus


286.

Which of the following substances can cure Parkinson's disease?

  • GABA

  • Acetylcholine

  • Dopamine

  • Glutamic acid


287.

Movement of tongue muscle is controlled by

  • facial nerve

  • trigeminal nerve

  • hypoglossal nerve

  • vagus nerve


288.

Which function will be lost due to damage of occipetal lobe?

  • Hearing

  • Speech

  • Vision

  • Memory


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289.

Vegus nerve is a

  • mixed X cranial nerve

  • mixed XI cranial nerve 

  • mixed X thoracic nerve

  • sensory X cranial nerve


290.

The number of spinal nerves in human is

  • 10 pairs

  • 12 pairs

  • 43 pairs

  • 31 pairs


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