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Nissl granules are absent in _____.

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Important Questions on Nervous system and Sense Organs

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What is correct for the sympathetic nervous system?
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Science>Biology>Nervous system and Sense Organs>Introduction to Nervous System
Determine the number of Cranial nerves in human body -
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The diagram is given below the internal structure of a spinal cord depicting a phenomenon. Study the diagram and answer the questions.

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Give the technical term for the point of contact between the two nerve cells.

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Oligodendrocytes and astrocytes are neuroglial cells found in ___.
a) Peripheral nervous system involved in the formation of the myelin sheath.
b) Central nervous system in which oligodendrocytes form myelin sheath and astrocytes bind neurons with capillaries.
c) Autonomic nervous system in which both cells provide support.
d) Sympathetic nervous system in which the two cells help in conduction.
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Science>Biology>Nervous system and Sense Organs>Introduction to Nervous System

Label the parts corresponding to the alphabets in the given diagram given?

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Science>Biology>Nervous system and Sense Organs>Introduction to Nervous System
 Identify the ODD term in each set and name the CATEGORY to which the remaining three belong:
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Science>Biology>Nervous system and Sense Organs>Introduction to Nervous System
Stimulus from the environment is detected by the nerve cells. The stimulus acquired is transmitted in the form of electrical impulses. From the options given below choose the correct scheme showing the direction in which the nerve impulse travels. (Arrows shows the direction of impulse flow)
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Science>Biology>Nervous system and Sense Organs>Introduction to Nervous System
Activation of sympathetic nervous system:
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Science>Biology>Nervous system and Sense Organs>Introduction to Nervous System
The cells which form blood brain barrier in the central nervous system are
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Science>Biology>Nervous system and Sense Organs>Introduction to Nervous System
The two components of autonomous nervous system have antagonistic actions. But in certain cases their effects are mutually helpful. Which of the following statement is correct?
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Science>Biology>Nervous system and Sense Organs>Introduction to Nervous System
Afferent nerve fibers carry impulses from
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Science>Biology>Nervous system and Sense Organs>Introduction to Nervous System
All of the following are correct except
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Science>Biology>Nervous system and Sense Organs>Introduction to Nervous System
_____ carries the impulse towards the cell body. (Dendrites/ Axon/ Cell body)
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Fill in the blank with the correct option provided in the bracket.

The long slender projection of a neuron is known as _____. (cyton/ axon/ dendrite)

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Cerebrospinal fluid formed in the choroid plexus of brain ventricles. CSF leaves the cavity at the ____ ventricle and enters into subarachnoid space.
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Science>Biology>Nervous system and Sense Organs>Introduction to Nervous System
Impulses travel rapidly in _____ of neurons. (myelin sheath/ axon)
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Science>Biology>Nervous system and Sense Organs>Introduction to Nervous System
Find the correct statement.
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Science>Biology>Nervous system and Sense Organs>Introduction to Nervous System
Brachial swelling of the spinal cord extends from
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Science>Biology>Nervous system and Sense Organs>Introduction to Nervous System

The first pair of the following lists indicate the kind of relationship that exists between both the items. Rewrite and complete the second pair on a similar basis.

Simple reflex: Spinal cord: : Cranial reflex: _____.

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_____ conduct nerve impulses to the cyton. (Axon/ Dendrites)