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Neural Control and Coordination Test - 4

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Neural Control and Coordination Test - 4
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Weekly Quiz Competition
  • Question 1
    1 / -0

    Brain stem is the support system of brain and is the collective name for :

    Solution

    The brainstem (or brain stem) is the posterior part of the brain, adjoining and structurally continuous with the spinal cord. In the human brain the brainstem includes the midbrain, the pons, and the medulla oblongata. Sometimes the diencephalon, the caudal part of the forebrain, is included.

  • Question 2
    1 / -0

    Due to refractory period , a nerve fibre in human body on an average transmits about :

    Solution

    Refractory period is the time taken to nerve become ready to conduct other impulse. Due to this refractory period, a nerve fibre in human body on an average transmits about 1000 impulses per seconds.

  • Question 3
    1 / -0

    The band of nerve fibers that joins the two cerebral hemisphere in mammals is :

    Solution

    The corpus callosum (CC) is the largest of the commissural fibres, linking the cerebral cortex of the left and right cerebral hemisphere.

  • Question 4
    1 / -0
    Which organisms do not have ear ossicles?
  • Question 5
    1 / -0

    Complete the following hierarchical chart showing parts of nervous system :

    Solution

    Human nervous system consists of central nervous system and peripheral nervous system. Peripheral nervous system includes 12 pairs of cranial nerves emerging from brain and 31 pairs of spinal nerves arising from spinal nerve.

  • Question 6
    1 / -0
    There are 12 pairs of cranial nerves in human beings. Ten of these originate from the
  • Question 7
    1 / -0

    Match the following :

    Solution

    Unipolar nerves are present in nerves of embryonic stage. Mixed nerves are found in all the spinal nerves. Bipolar nerves are present in nerve cells of retina. Multipolarnerves are present in nerve cells of cerebral cortex.

  • Question 8
    1 / -0

    Match the following :

    Solution

    Motor neuron carry impulse from CNS to effector. Axon carry impulse away from cyton. Afferent neuron carry impulse from receptor to CNS and dendrite carry impulsetowards cyton.

  • Question 9
    1 / -0
    The part of brain that regulates hunger, sleep and thirst is
  • Question 10
    1 / -0
    Which of the following is a symptom of glaucoma?
  • Question 11
    1 / -0

    In the prosencephalon, first and second ventricles open into third ventricle by :

    Solution

    In prosencephlon, the first and second ventricles open into third ventricles by foramen of Monro. It is the opening that connects the left and right sides of lateral ventricle in brain.

  • Question 12
    1 / -0
    In mammals, the ___________ connects the limbic system to other parts of the brain.
  • Question 13
    1 / -0

    Nissl’s granules are absent in :

    Solution

    Nissl’s grains are mainly present in cyton and dendrite. These granules are rough endoplasmic reticulum with rosettes of free ribosome, the site for protein synthesis. It is absent in axon.

  • Question 14
    1 / -0
    Which of the following is a neurotransmitter?
  • Question 15
    1 / -0
    Which of the following laws is/are associated with the fact that anterior spinal nerve roots contain only motor fibres and posterior roots contain only sensory fibres? 
  • Question 16
    1 / -0
    The nervous system of mammals uses both electrical and chemical means to send and receive messages via neurons. Which part of the neurons receives information?
  • Question 17
    1 / -0
    Mr. X, while drowning, simply failed to try to save himself, even though he was a good swimmer. He must have suffered from ________ neurological disorder.
  • Question 18
    1 / -0
    Mr. Khatri met with a road accident and lost his power to reason and imagine. Which part of his brain must have been damaged?
  • Question 19
    1 / -0
    The term 'bag of worms' is associated with the damage of
  • Question 20
    1 / -0

    Hypothalamus helps to maintain homeostasis by controlling hunger, thirst, blood pressure, temperature feelings etc. So it is an important link between

    Solution

    One of the most important functions of the hypothalamus is to link the nervous system to the endocrine system via the pituitary gland (hypophysis). The hypothalamus is located below the thalamus and is part of the limbic system

  • Question 21
    1 / -0

    In the following figure a synapse is shown :

    i & ii (from up to down)

    1) (i) is presynaptic membrane and (ii) is postsynaptic membrane. 

    2) synaptic vesicles are in postsynaptic knob.

    3) neurotransmitter receptors are located on postsynaptic membrane.

    Solution

    The synapse is formed by the membranes of apre-synaptic neuron and a post-synaptic neuron, which may or may notbe separated by a gap called synaptic cleft. The neurotransmitter receptors are located on postsynaptic membrane.

  • Question 22
    1 / -0

    Label the arrows in the given diagram of brain from top to bottom :

    Solution

    The part of human brain shown above has marked as cerebellum, pons and medulla oblongata of hind brain.

  • Question 23
    1 / -0
    Directions: The following question has four choices, out of which ONLY ONE is correct.

    Which of the following cells present in the choroid plexus are responsible for releasing cerebrospinal fluid?
  • Question 24
    1 / -0

    Read the following about the surface of cerebral hemispheres

    i. Is made up of the pia matter.

    ii. Is greatly convoluted and called the cerebral cortex.

    Solution

    The layer of cells which covers the cerebral hemisphere is called cerebral cortex and is thrown into prominent folds.

  • Question 25
    1 / -0
    The sound produced from chewing gets dampened by
  • Question 26
    1 / -0
    Which of the following statements regarding sympathetic nervous system is incorrect?
  • Question 27
    1 / -0

    The autonomic nervous system or ANS :

    i. Is truly autonomic i.e. independent of the CNS.

    ii. Is also known as the VNS.

    iii. Transmit impulse from CNS to involuntary organs and smooth muscles.

    Solution

    The autonomic nervous system or ANS is the division of peripheral nervous system that influences the function of internal organs. ANS is also known as VNS. These nerves transmit impulse from CNS to involuntary organs and smooth muscles.

  • Question 28
    1 / -0
    A neuron with numerous short dendrites and a single long axon is a
  • Question 29
    1 / -0

    The property which doesn’t belong to nerve fibres is :

    Solution

    Nerve fibres are specialized to transmit impulses form one part of the body to other. Nerve fibres do not shows the property of elasticity and contractility.

  • Question 30
    1 / -0

    Vermis is a portion of :

    Solution

    Cerebral vermis is located in the medial, cortico-nuclear zone of the cerebellum. It is constricted between lobe of cerebellum.

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