The Nervous System Class 10 ICSE Biology MCQ Questions
Looking for The Nervous System Class 10 ICSE Biology Chapter 10 MCQ Questions? If yes, You are the right page. Here we have provided ICSE class 10 biology Chapter 10 multiple choice questions and answers. All MCQ are important.
( I ) Choose the best answer
( 1 ) The nervous system plays a significant role within our body . What are it’s crucial role ?
a ) It increases awareness about the exterior world with the help of sense organs
b ) It renders support in harmonizing and regulating all voluntary muscular activities
c ) It contributes in controlling involuntary activities
d ) All of the above
Answer : d ) All of the above
( 2 ) The nervous system is primarily composed of
a ) Brain and spinal cord b ) Spinal cord and numerous nerves
c ) Brain, spinal cord, sense receptors and numerous nerves d ) Spinal cord
Answer : c ) Brain, spinal cord, sense receptors and numerous nerves
( 3 ) The neurons or nerve cells are the chief constituents of
a ) Heart b ) Brain
c ) Lungs d ) Liver
Answer : b ) Brain
( 4 ) The cell body , dendrites and axon constitutes the three essential segments of
a ) Neuron b ) Kidney
c ) Hormones d ) Spleen
Answer : a ) Neuron
( 5 ) Perikaryon or Cyton is another name of
a ) Blood cell b ) Dendrites
c ) Axon d ) Cell body
Answer : d ) Cell body
( 6 ) In comparison to other cells , the cell body possesses all the cell organelles apart from
a ) Chromosomes b ) Diplosome
c ) Centrosome d ) Kinetochore
Answer : c ) Centrosome
( 7 ) Dendrites performs an essential function in conducting nerve impulses to
a ) Axon b ) Cyton
c ) Neuron d ) Cell body
Answer : b ) Cyton
( 8 ) When white insulating sheath is used for the purpose of enclosing the axon in majority of the neurons , then it is known as
a ) Myelin sheath b ) Neurolemma
c ) Nodes of Ranvier d ) Synaptic clefts
Answer : a ) Myelin sheath
( 9 ) When external thin sheath is used with an aim of covering the myelin sheath then it is termed as
a ) Bulbs b ) Collaterals
c ) Neurotransmitters d ) Neurolemma
Answer : d ) Neurolemma
( 10 ) The term “ Nodes of Ranvier” literally means
a ) The gaps enclosed by the myelin sheath
b ) The closure of gaps portrayed by the myelin sheath
c )Gaps depicted by the myelin sheath all over the length
d ) None of the above
Answer : c ) Gaps depicted by the myelin sheath all over the length
( 11 ) In the relaxing state , there is sustenance of positive charge by the exterior side of the nerve fibre and this is known as
a ) Stable state b ) Polarised state
c ) Unstable state d ) Neutral state
Answer : b ) Polarised state
( 12 ) Each second , the nerve impulse depicts the ability to travel at a greatest speed of about
a ) 100 metres b ) 200 metres
c ) 400 metres d ) 500 metres
Answer : a ) 100 metres
( 13 ) The moment the impulse enters the outermost edge of an axon , a chemical is discharged and this chemical is rightly indicated as
a ) Dopamine b ) Adrenaline
c ) Acetylcholine d ) Choline
Answer :c ) Acetylcholine
( 14 ) Neurons are classified into several types. What are it’s major types ?
a ) Sensory neurons b ) Motor neurons
c ) Association neurons d ) All of the above
Answer : d ) All of the above
( 15 ) Which one of the following neurons is responsible for transporting the impulse from central nervous systemtowards the direction of an effector ?
a ) Connecting neurons b ) Motor neurons
c ) Sensory neurons d ) Receptor
Answer : b ) Motor neurons
( 16 ) Association neurons as the name suggests helps in uniting
a ) Sensory and motor neurons b ) Motor neurons and interneurons
c ) Sensory neurons and multiple sclerosis d ) Multiple sclerosis and muscular dystrophy
Answer : a ) Sensory and motor neurons
( 17 ) Sensory nerves , motor nerves and mixed nerves constitutes the three main types of
a ) Neurons b ) Cells
c ) Nerves d ) Veins
Answer : c ) Nerves
( 18 ) A spinal nerve constitutes one of the most perfect example of
a ) Motor nerves b ) Sensory nerves
c ) Peripheral nerve d ) Mixed nerves
Answer : d ) Mixed nerves
( 19 ) Central nervous system and peripheral nervous system represents the two central divisions of
a ) Nervous system b ) Digestive system
c ) Reproductive system d ) Respiratory system
Answer : a ) Nervous system
( 20 ) What is the full form of CNS ?
a ) Central neuron system b ) Central nervous system
c ) Cardinal nerve system d ) Central neuro system
Answer : b ) Central nervous system
( 21 ) There are further subdivisions of PNS which primarily incorporates
a ) Somatic nervous system b ) Autonomic nervous system
c ) Both somatic nervous system and autonomic nervous system
d ) None of the above
Answer : c ) Both somatic nervous system and autonomic nervous system
( 22 ) Which one of the following organ is considered as one of the greatest amid all animals , in comparison to the size of the body ?
a ) Liver b ) Heart
c ) Kidney d ) Brain
Answer : d ) Brain
( 23 ) The brain box acts as a protective shield with an aim of safeguarding the
a ) Brain b ) Nerves
c ) Neurons d ) Cells
Answer : a ) Brain
( 24 ) What is the ideal weight of an individual brain ?
a ) 1 kg b ) 1.35 kg
c ) 2 kg d ) 2.5 kg
Answer : b ) 1.35 kg
( 25 ) The meninges basically refers tothree layers of a membrane which plays a very effective role in protecting the
a ) Chest b ) Stomach
c ) Spleen d ) Brain
Answer : d ) Brain
( 26 ) Dura mater , Arachnoid and pia mater falls under the category of
a ) Somatic nervous system b ) Brain box
c ) Meninges d ) Autonomic nervous system
Answer : c ) Meninges
( 27 ) The term “ Meningitis” literally means
a ) Inflammatory state of the meninges b ) Non – inflammatory state of the meninges
c ) Neutral state of the meninges d ) None of the above
Answer : a ) Inflammatory state of the meninges
( 28 ) Which one of the following fluid is responsible for safeguarding the brain from any kind of shock ?
a ) Intraocular fluid b ) Cerebrospinal fluid
c ) Vitreous fluid d ) Ocular fluid
Answer : b ) Cerebrospinal fluid
( 29 ) The brain is primarily composed of three major components. What are the three chief components?
a ) Cerebrum , cerebellum and pia mater b ) Cerebellum, medulla oblongata and dura matter
c ) Medulla oblongata, cerebrum and arachnoid
d ) Cerebrum, cerebellum and medulla oblongata
Answer : d ) Cerebrum, cerebellum and medulla oblongata
( 30 ) Which of the following is regarded as the greatest part of the brain ?
a ) Cerebellum b ) Medulla oblongata
c ) Cerebrum d ) Ventricles
Answer : c ) Cerebrum
( 31 ) The splitting of cerebrum into two hemispheres is popularly termed as
a ) Cerebral hemispheres b ) Corpus callosum
c ) Cortex d ) White matter
Answer : a ) Cerebral hemispheres
( 32 ) Cerebellum is also known as
a ) Largest brain b ) Little brain
c ) Moderate brain d ) All of the above
Answer : b ) Little brain
( 33 ) Which part of the brain plays a significant role in not only managing the body balance but also contributes in harmonizing muscular activities ?
a ) Cerebrum b ) Medulla oblongata
c ) Cerebellum d ) None of the above
Answer :c ) Cerebellum
( 34 ) Medulla oblongata contributes in regulating several actions of
a ) Internal organs b ) Heart beat
b ) Breathing d ) All of the above
Answer : d ) All of the above
( 35 ) After taking into account all the parts , the brain is chiefly comprised of three central regions . What are the three crucial regions ?
a ) Forebrain, midbrain and hindbrain b ) Hindbrain, gray matter and central canal
c ) Forebrain , midbrain and white matter d ) Gyri , sulci and corpus callosum
Answer : a ) Forebrain, midbrain and hindbrain
( 36 ) Cranial nerves and spinal nerves are two categories of nerves that falls under the sphere of
a ) Autonomic nervous system
b ) Central nervous system
c ) Enteric nervous system
d ) Somatic nervous system
Answer : d ) Somatic nervous system
( 37 ) Certain emotions like for example – grief , fear , anger and sexual stimulation greatly aids in influencing
a ) Sympathetic nervous system b ) Parasympathetic nervous system
c ) Somatic nervous system d ) Autonomic nervous system
Answer : d ) Autonomic nervous system
( 38 ) The word “ reflex” is derived from the latin word “ reflexus” which simply signifies
a ) Refracted b ) Reflected or directed back
c ) Emitted d ) Deflected
Answer : b ) Reflected or directed back
( 38 ) In our body , there are occurrence of two kinds of actions. What are the two major types of actions ?
a ) Voluntary actions and involuntary actions
b ) Mandatory actions and voluntary actions
c ) Involuntary actions and discretionary actions
d ) None of the above
Answer : a ) Voluntary actions and involuntary actions
( 39 ) As , conditioned reflexes are non – hereditary, due to this reason it is also known as
a ) Natural reflex b ) Plantar reflex
c ) Acquired reflex d ) Corneal reflex
Answer : c ) Acquired reflex
( 40 ) Natural reflexes and conditioned reflexes are basically the two vital kinds of
a) Nerves
b ) Neurons
c ) Cells
d ) Reflexes
Answer : d ) Reflexes
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