Animals Nervous System

IMPORTANT

Animals Nervous System: Overview

This topic covers concepts such as Olfactory Receptors, Nervous System, Neurons, Nervous Tissues, Neuromuscular Junction, Structure of a Neuron, Reflex Action, Reflex Arc, Synapse, Sense Organs, Gustatory Receptors, Relay Neurons, Motor Neurons, etc.

Important Questions on Animals Nervous System

HARD
IMPORTANT

Assertion: Corpus callosum is present in space between the dura mater and pia mater.
Reason: It serves to maintain the constant intracranial pressure.

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Identify the correct functions of a nerve cell.

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The path of reflex arc is shown in the given figure. Identify the different labellings A, B, C, D, E, and F and select the correct option.

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EASY
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The neuromuscular junction is made up of the dendrite of a motor neuron and a muscle fibre.

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Free nerve endings are most abundant in 

EASY
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What is free nerve ending? What is its function in the skin?

MEDIUM
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In neurons, nucleus is located in the cell body.

HARD
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Explain the function of nervous tissue.

EASY
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Fill in the blank with the correct answer given in the bracket.

Nervous tissue sends the motor nerve impulses to _____ for action. (brain, spinal cord, muscles)

MEDIUM
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Nervous tissue cannot give a response.

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What are the main functions of the spinal cord?

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Involuntary actions such as blood pressure, vomiting and salivation are controlled by the _____ brain.

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The cranial nerves and the spinal nerves constitutes the _____ nervous system.

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Reflex action is not under the function of the brain and is controlled by the _____.

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Reflex action is 

EASY
IMPORTANT

Identify the correct functions of a nerve cell?

EASY
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Which of the following can be a consequence of a spinal cord injury.

EASY
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What is the shape of spinal cord?

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The chef accidentally touched a hot vessel on a stove. His hand moved away quickly in order to save him from serious burns. Such an automatic response is called

EASY
IMPORTANT

The reflex action does not involve the brain. Do you agree?