Assertion   :       Nerve conduction is the one way conduction.

Reason      :       Nerve impulse is transmitted from dendrite terminals to axon terminals.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion    :       After hearing a sound, nerve impulse passes from neurons to the brain.

Reason      :       The neurons which pass nerve impulses from the body organ to the brain is called afferent neuron.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion   :       Cerebrospinal fluid is present throughout the central nervous system.

Reason      :       CSF has no such function.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion  :       A person has lost most of its intelligence, memory and judgement.

Reason     :       A person has operated a tumour located in the cerebrum.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion   :       Some areas of the brain and spinal cord look white.

Reason      :       This is because cell bodies of neurons are situated in those areas.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion   :       Motor neuron terminates on a motor end plate at the neuromuscular junction.

Reason      :       Motor end plate acts as receptor for detecting changes in the muscle fibres.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion   :       The brain stem contains centres for controlling activities.

Reason      :       Brain stem is very sensitive.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion   :       Spinal cord has a column of both grey and white matter.

Reason      :       Grey matter forms the central spinal canal.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion   :       All motor neurons are efferent neurons.

Reason      :       Motor neurons conduct nerve impulses from the spinal cord to the brain.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion  :      Medulla oblongata causes reflex actions like vomiting, coughing and sneezing.

Reason     :      It has many nerve cells which control autonomic reflexes.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion   :       Transmission of the nerve impulse across a synapse is accomplished by neurotransmitters.

Reason      :       Transmission across a synapse usually requires neurotransmitters because there is small space i.e. synaptic cleft, that separates one neuron from another.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Arrange them in order.

a. Movement of synaptic vesicles.   
b. Arrival of action potential      
c. Fusion of synaptic vesicles   
d. Release of neurotransmitters in the synaptic cleft.     
e. opening of ion channels       
f. Neurotransmitter binds to specific receptor over post synaptic membrane.     
g. new potential in post synaptic neuron

  • b-a-c-d-f-e-g

  • b-d-c-a-e-f-g

  • a-d-c-b-f-g-e

  • d-b-c-e-a-f-g

Nerve impulse travelling through synapses cannot be

  • Excitatory

  • Inhibitory

  • Both A and B

  • Apolar neuronic

Assertion   :       Rabies is acute infectious disease of warm blooded mammals characterized by involvement of central nervous system resulting in paralysis and finally death.

Reason      :       This is caused due to neuotropic filterable bacteria in saliva of rabid animals.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion  :  The imbalance in concentration of , nd proteins generates resting potential.
  • 1
  • 2

  • Reason      :  To maintain the unequal distribution of  & , the neurons use electrical energy.

    1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
    2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
    3. If the assertion is true but the reason is false
    4. If both the assertion and reason are false
  • 4

What is coordination?
  • It is the process through which two or more organs interact and complement the functions of one another
  • It is the process of serving tissues
  • It is the process of giving blood and masses to other tissue at the level of structure
  • It is the ratio of functional and non functional organs

Which of the following would not occur when we do physical exercises?

  • Increased energy demand

  • Increased oxygen supply and increased urine formation

  • Increased in the rate of respiration, heart beat

  • Increased blood flow via blood vessels

In our body, which of the following systems do not jointly coordinate and integrate all the activities of the organs so that they function in a synchronised fashion?

  • Neural system

  • Endocrine system

  • Circulatory system

  • Both B and C

Neuron cannot perform which of the following functions?

  • Detection of stimuli

  • Receiving stimuli

  • Transmitting different kinds of stimuli

  • Giving nutrition to neuroglial cells

Which of the following does not has brain?

  • Hydra

  • Insects

  • Vertebrates

  • Earthworm

Human neural system has

  • CNS

  • PNS

  • Both A and B

  • MNS

CNS is not

  • Brain

  • Spinal cord

  • Site of information processing and control

  • Tissues/organs

PNS does not consist of

  • Afferent Fibres

  • Efferent Fibres

  • Nerve fibres

  • All Neuroglial Cells

PNS does not belong to which of the following system?

  • Somatic Neural System

  • Autonomic Neural System

  • Central Neural system

  • Both A and B

The somatic neural system relays impulses

  • From skeletal muscles to CNS

  • From CNS to skeletal muscles

  • From visceral muscles to CNS

  • From CNS to visceral muscles

Autonomic Neural system relays impulses

  • From skeletal muscles to CNS

  • From CNS to skeletal muscles

  • From visceral muscles to CNS

  • From CNS to visceral muscles

Which of the following is not associated with ANS?

  • Sympathetic neural system

  • Parasympathetic neural system

  • Somatic Neural system

  • Both B and C

Visceral nervous system is

  • A part of PNS

  • Made up of nerves, Fibres, Ganglia and Plexuses

  • Transmit information from CNS to the viscera and viscera to CNS

  • All of these

Neuron is not

  • Microscopic structure

  • Made up of cell body, Dendrites and Axon

  • Cell body contains cytoplasm with typical cell organelles and certain granular bodies called Nissl's granules

  • Long fibres, branch repeatedly and project out of the cell body are called as Dendrites

Nissl's Granules are not found in

  • Dendrites

  • Cell body

  • Axon

  • Both A and C

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Practice Zoology Quiz Questions and Answers