Class 12 Nervous System MCQs NEET AIIMS

Multiple Choice Questions

1. The cerebrum is a part of the

          (a)    forebrain                  (b)    midbrain

          (c)    hindbrain                 (d)    olfactory lobe

    2.   Grey matter is composed of –

          (a)    axons                         (b)    cytons

          (c)    myelin sheath         (d)    neuroglia

    3.   Arachnoid membrane is –

          (a)    the outer membrane covering the brain and spinal cord

          (b)    very hard

          (c)    absent  in spinal cord

          (d)    the middle membrane covering the brain and spinal cord             

    4.   The olfactory lobe is a lobe –

          (a)    Concerned with vision

          (b)    on the dorsal surface of the brain

          (c)    situated behind the speech centre            

          (d)    seen in the ventral view of the brain

    5.   The third ventricle passes through the –

          (a)    spinal cord               (b)    medulla

          (c)    midbrain                   (d)    forebrain            

    6.   The posteriormost lobe of cerebrum is the –   

(a) frontal lobe          (b)           occipital lobe

          (c)    hippocampal lobe (d)    parietal lobe

    7.   Corpus callosum is –

          (a)    a band of connecting fibres

          (b)    an endocrine gland

          (c)    a raised convolution in the brain             

          (d)    a cleft in the brain 

    8.   The brain stem is a –

          (a)    part of the hindbrain

          (b)    part of the forebrain

          (c)    part of the midbrain

          (d)    nonfunctional part

    9.   The body temperature is controlled by–

          (a)    hypothalamus        (b)    thalamus

          (c)    frontal lobe               (d)    Broca’s area

10.   Heartbeat rate is controlled by –

          (a)    pons                           (b)    cerebellum

          (c)    cerebrum                   (d)    medulla

11.   The spinal cord is –

          (a)    45 cm long                (b)    25 cm long

          (c)    100 cm long             (d)    1metre long

12.   The white matter of the spinal cord is  –

          (a)    composed of dendrites                

          (b)    composed of cytons

          (c)    externally or peripherally situated

          (d)    present in the central canal

13.   Ependyma is –

          (a)    a pigmented layer

          (b)    a thick connective tissue

          (c)    a thin epithelial tissue membrane

          (d)    dura mater

14.   Ascending fibres in the spinal cord are –

          (a)    motor                         (b)    sensory 

          (c)    efferent                       (d)    dendrites            

15.   Dorsal roots of the spinal cord have –

          (a)    motor nerves            (b)    sensory nerves

          (c)    mixed nerves           (d)    grey matter        

16.   The outermost covering of a big nerve is –

          (a)    endoneurium          (b)    epineurium

          (c)    perineurium            (d)    myelin sheath

17.   The cell body of a neuron is called –

          (a)    dendrite                     (b) axon bulb

          (c)    axon                           (d) cyton

18.   The last cranial nerve is  –   

          (a)    vagus                         (b)    glossopharyngeal

          (c)    sensory                      (d)    motor

19.   Spinal nerves belonging to the sacral region are –

          (a)    one pair                     (b)    five pairs

          (c)    eight pairs                (d)    twelve pairs

20.   Ramusl communicans is –

          (a)    a branch of spinal nerve

          (b)    postganglionic

          (c)    a part of the corpus callosum

          (d)    a cranial nerve       

21.   Plexuses of spinal nerves are –

          (a)    six in number         (b)    motor nerves

          (c)    mixed nerves           (d)    sensory nerves

22.   Pick the incorrect statement with respect to the central nervous system –

          (a)    In men, there are 12 cranial nerves in pairs and 31 pairs of spinal nerves.

          (b)    It is ectodermal in origin.

          (c)    Lobes of the forebrain of mammal are connected by the corpus callosum                        

          (d)    The foramen of Monro and aqueduct of Sylvius are the same.

23.   Which one is applicable to the sympathetic nervous system?

          (a)    craniosacral           

          (b)    thoracic-lumbar

          (c)    cerebral hemispheres

          (d)    none of these           

24.   The parasympathetic nervous system is responsible for the –

          (a)    constriction of pupil

          (b)    contraction fo hair muscles

          (c)    stimulation of sweat gland

          (d)    acceleration of heartbeat               

25.   Which one is a mismatch ?

          (a)    hypothalamus – temperature control

          (b)    medulla oblongata – respiratory centre

          (c)    Broca’s area – speach centre

          (d)    olfactory lobe – colour