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Nervous system Question bank

Labelled diagram of brain

labelled diagram of brain

Labelled diagram of an axon

labelled diagram of axon

Labelled diagram of reflex arc

labelled diagram of reflex arc

Study Nervous system questions and answers and then play the game

  • Spinal cord originates from ____ . 
    • Answer :  medulla
  • All voluntary actions of our body are controlled by ____.
    • Answer :  cerebrum
  • Number of pairs of nerves which arises from spinal cord is ____.
    • Answer :  31
  • Number of pairs of nerves which arises from brain is ____.
    • Answer :  12
  • Olfactory receptors in humans are located in ____.
    • Answer :  nose
  • An adult brain weighs about ____ kg.
    • Answer :  1.5 Kg
  • The brain consumes about ___ % of total oxygen in body.
    • Answer :  25
  • The three membranous coverings around brain are called ____. 
    • Answer :  Meninges
  • The fluid that acts as a cushion for brain is called ____ fluid. 
    • Answer :  cerebrospinal fluid
  • Cerebellum is located at base of ____. 
    • Answer :  cerebrum
  • An injury to _____ generally leads to instant death.  
    • Answer :  medulla
  • Instead of convolutions, cerebellum appears to have ___.  
    • Answer :  gyrus
  • Main function of cerebellum is to ________.  
    • Answer :  balance body
  • Neuron is basic structural and functional unit of nervous system.
    • Answer :  True
  • Thinking and control center of brain is cerebellum.  
    • Answer :  False
  • Sensory neuron is mainly concerned with transmission of nerve impulses from brain to muscles.
    • Answer :  False
  • Sensory neuron carries impulse from one neuron to another.
    • Answer :  False
  • Motor neuron transmits nerve impulses ;from brain to muscles;
    • Answer: True
  • Olfactory nerves feed _____.
    • Answer :  nose
  • Pain and pressure impulses are sensed by? 
    • Answer :  skin
  • Optic nerves carry impulses from:   
    • Answer :  eye
  • Auditory nerves are associated with:
    • Answer :  ear
  • Nerves that originate from brain are called:
    • Answer :  cranial nerves
  • Breathing is controlled by _____
    • Answer :  medulla oblongata
  • Neurotransmitters allow impulse to travel through synapse to next neuron
    • Answer :  True
  • When cerebrum is damaged due to injury the person loses the ability to
    • Answer :  think and make decisions
  • When cerebellum is damaged due to injury the person loses the ability to
    • Answer :  maintain balance
  • When medulla oblongata is damaged the person loses the ability to
    • breathe normally
  • What acts as an insulation and prevents mixing of impulses in adjacent axons?
    • Answer :  myelin sheath
  • The long slender projection of neuron is known as:
    • Answer :  axon
  • A neuron consists of cyton, dendrites ;and ____ ?
    • Answer :  axon
  • The gap between two neurons is called a :
    • Answer :  synapse
  • Which nerves transmit electrical impulses from central nervous system to muscles?
    • Answer :  motor neurons
  • Which nerves receive stimulus from senses and transmit to central nervous system?
    • Answer :  sensory neurons
  • Outer layer of cerebrum is known as?
    • Answer :  cerebral cortex
  • The lobe of the cerebrum which receives information from retina is?
    • Answer :  occipital lobe
  • Which part of the brain controls our sleep and wake cycles?
    • Answer :  Hypothalamus
  • Which part of the brain controls our body temperature?
    • Answer :  Hypothalamus
  • Which part of the brain controls our urge for eating and drinking?
    • Answer :  Hypothalamus
  • Reflex action is controlled by the
    • Answer :  spinal cord
  • A mixed nerve is one which contains:
    • Answer :  both sensory and motor neurons
  • Basic structural and functional unit of the brain is:
    • Answer :  neuron
  • Which of these is not a reflex action?
    • Answer :  lifting a book
  • Which of these is not a reflex action?
    • Answer :  drinking water
  • Which of these is a reflex action?
    • Answer :  Blushing
  • The left and right hemisphere of cerebrum are connected by sheet of fibers called?
    • Answer :  corpus callosum
  • The outermost layer of meninges is the
    • Answer :  Dura matter
  • Junction between two nerve cells is :  
    • Answer :  synapse