(English Medium) ICSE Class 10 - CISCE Question Bank Solutions for Biology

Explain the Term: Natural reflex

Name the following:
Unit of the nervous system is

Name the following:
The dorsal root ganglion of the spinal cord contain cell bodies of which type of neurons.

Give Technical Term:
The find cytoplasmic processes of the cell body of a neuron.

Give Technical Term:
The neuron which conducts impulse from the central nervous system to the organs.

Give Technical Term:
The structure which joins the two cerebral hemispheres in man.

Give Technical Term:
The chemical messenger by which the nerve impulse travels from one neuron to the other.

Give Technical Terms:
The number of cranial and spinal nerves in man.

Give Technical Term:
 The part of the central nervous system in which the gray matter is located on the outer side and the white matter on the inner side.

Give Technical Term:
 Nerve that transfers impulses from ear to brain.

Give Technical Term:
The receptors which help in the sensation of taste.

Complete the following sentence with appropriate word :
There are _______ neurons in our body.

Complete the following sentence with appropriate word :
 A bundle of axons enclosed in a tubular sheath is called _________.

Complete the following sentence with appropriate word :
A nerve chain between a receptor and an effector organ is called _________.

Complete the following sentence with appropriate word :
Optic nerve is a type Sensory nerve, whereas spinal nerves are __________ nerves

The below diagram is the surface of the tongue showing the taste zone.

(i) Label the parts 1-4.
(ii) Where are the receptors for sensations of taste are located?
(iii) Why do people suffering from cold often complain that they cannot taste their food?

Complete the following sentence with appropriate word:

Tympanic chamber is filled with ______.

Mention, if the following statement is True or False
A nerve impulse passes from one neuron to another across a synapse.

Mention, if the following statement is True or False
Spinal nerves and cranial nerves constitute the central nervous system.

Mention, if the following statement is True or False
The nerve impulse in the eye develops due to the chemical changes brought about in the sensitive cells (rods and cones) by the light energy of the image.