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ICSE solutions for Class 10 Biology chapter 8 - The Nervous System and Sense Organs [Latest edition]

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Chapters

Class 10 Biology - Shaalaa.com

Chapter 8: The Nervous System and Sense Organs

Short QuestionsGive ReasonsDifferentiateDiagram Based QuestionsSketch and Label the DiagramExplain the TermsName the FollowingGive Technical TermsFill in the BlanksTrue & FalseState the LocationState the FunctionChoose the Odd One OutMultiple Choice QuestionsMatch the Column
Short Questions

ICSE solutions for Class 10 Biology Chapter 8 The Nervous System and Sense Organs Short Questions

Short Questions | Q 1

What are the functions of the nervous system?

Short Questions | Q 2

Explain the divisions of the nervous system.

Short Questions | Q 3

Name three involuntary actions controlled by medulla in the hindbrain.

Short Questions | Q 4.1

Explain the term: sensory nerve.

Short Questions | Q 4.2

Explain the term: Motor nerve

Short Questions | Q 4.3

Explain the term: Mixed nerve

Short Questions | Q 5

What are the functions of tears?

Short Questions | Q 6

Give the functions of the spinal cord?

Short Questions | Q 7

How does the arrangement of nerve cells in the spinal cord differ from that in the brain?

Short Questions | Q 8

How does an impulse travel across a synapse?

Short Questions | Q 9

Name the part of the human brain which is concerned with the following :
(1) Seat of memory
(2) Coordinates muscular activity.

Short Questions | Q 10.1

What is a reflex action?

Short Questions | Q 10.2

State whether the following is

Sneezing

  • simple reflex

  • conditioned reflex

  • None of the above

Short Questions | Q 10.2

State whether the following is

Blushing

  • simple reflex

  • conditioned reflex

  • None of the above

Short Questions | Q 10.2

State whether the following is

Constriction of pupil

  • simple reflex

  • conditioned reflex

  • None of the above

Short Questions | Q 10.2

State whether the following is

Lifting up a book

  • simple reflex

  • conditioned reflex

  • None of the above

Short Questions | Q 10.2

State whether the following is

Knitting without looking

  • simple reflex

  • conditioned reflex

  • None of the above

Short Questions | Q 10.2

State whether the following is

The sudden application of brakes without thinking

  • simple reflex

  • conditioned reflex

  • None of the above

Short Questions | Q 10.2

State whether the following is

Blinking

  • simple reflex

  • conditioned reflex

  • None of the above

Short Questions | Q 10.2

State whether the following is

Cleaning

  • simple reflex

  • conditioned reflex

  • None of the above

Short Questions | Q 10.2

State whether the following is

Playing on the Keyboard

  • simple reflex

  • conditioned reflex

  • None of the above

Short Questions | Q 10.2

State whether the following is

Salivation when food is put in the mouth.

  • simple reflex

  • conditioned reflex

  • None of the above

Short Questions | Q 11.1

What type of reflex is the following?

Sweating in summer

  • simple reflex

  • conditioned reflex

  • None of the above

Short Questions | Q 11.2

What type of reflex is the following?

Knitting and swimming

  • simple reflex

  • conditioned reflex

  • None of the above

Short Questions | Q 11.3

What type of reflex is the following?

Solving mathematical sums

  • simple reflex

  • conditioned reflex

  • None of the above

Short Questions | Q 11.4

What type of reflex is the following?

Formation of goose-pimples in cold weather.

  • Simple reflex

  • Conditioned reflex

  • None of the above

Short Questions | Q 11.5

What type of reflex is the following?

Blinking of the eye

  • Simple reflex

  • Conditioned reflex

  • None of the above

Short Questions | Q 12

In what two whys is a yellow spot different from the blind spot?

Short Questions | Q 13

What is a Lachrymal gland?

Short Questions | Q 14

 Name the common defects of the eye.

Short Questions | Q 15

Mention the characteristics of the image that falls on the retina of the eye.

Short Questions | Q 16.1

What is meant by power of accommodation of the eye?

Short Questions | Q 16.2

Name the muscles of the eye responsible for the power of accommodation.

Short Questions | Q 17

Name an old age eye defect. Why is it caused?

Short Questions | Q 18.1

What is meant by power of accommodation of the eye?

Short Questions | Q 18.2

With reference to the functioning of the eye, answer the question that follow:

What is the shape of the lens during near vision?

Short Questions | Q 18.2

With reference to the functioning of the eye, answer the question that follow:

What is the shape of the lens during distant vision?

Short Questions | Q 18.3

With reference to the functioning of the eye, answer the question that follow:

Name the two structure in the eye responsible for bringing about the change in the shape of the lens.

Short Questions | Q 18.4

With reference to the functioning of the eye, answer the question that follow:

Name the cells of the retina and its respective pigments which get activated in the dark.

Short Questions | Q 18.4

With reference to the functioning of the eye, answer the question that follow:

Name the cells of the retina and its respective pigments which get activated in the light.

Short Questions | Q 19

 What are thermoreceptors?

Short Questions | Q 20

What is a stereoscopic vision?

Short Questions | Q 21

What are the functions of proprioceptors?

Short Questions | Q 22

Describe the structure and location of various taste buds.

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Give Reasons

ICSE solutions for Class 10 Biology Chapter 8 The Nervous System and Sense Organs Give Reasons

Give Reasons | Q 1

Give Reason:

The spinal cord and brain are called the central nervous system.

Give Reasons | Q 2

Give Reason:

 Why injury to medulla oblongata results in death?

Give Reasons | Q 3

Give Reason:

Why do we see clearly in the central region of the retina?

Give Reasons | Q 4

Give Reason:

Older people require glasses to read and write.

Give Reasons | Q 5

Give Reason:

Deficiency of vitamin A causes night blindness.

Give Reasons | Q 6

Give Reason:

When you enter into a dark room from bright because of sunlight, you can not see things for a few seconds.

Give Reasons | Q 7

Give Reason:

 The hand automatically shows the direction to turn a cycle without thinking.

Give Reasons | Q 8

Give Reason:

A person after consuming alcohol walks clumsily.

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Differentiate

ICSE solutions for Class 10 Biology Chapter 8 The Nervous System and Sense Organs Differentiate

Differentiate | Q 1

Differentiate between:

A Sensory neuron and a Motor neuron (function)

Differentiate | Q 2

Give one point of difference between the following on the basis of what is indicated:
Cerebrum and spinal cord. (Arrangement of neurons)

Differentiate | Q 3

Differentiate between:

The middle ear and Inner ear.

Differentiate | Q 4

Differentiate between:

Short-sightedness and Long-sightedness.

Differentiate | Q 5

Differentiate between:

Vitreous humour and Aqueous humour.

Differentiate | Q 6

Differentiate between:

Yellow spot and Blind spot.

Differentiate | Q 7

Differentiate between:

Cochlea and Concha.

Differentiate | Q 8

Differentiate between:

Rods and Cones.

Differentiate | Q 9

Differentiate between:

Retina and Choroid.

Differentiate | Q 10

Differentiate between:

Myopia and Hypermetropia.

Differentiate | Q 11

Differentiate between:

Cerebrum and Cerebellum.

Differentiate | Q 12

Differentiate between:

Afferent and Efferent Nerve.

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Diagram Based Questions

ICSE solutions for Class 10 Biology Chapter 8 The Nervous System and Sense Organs Diagram Based Questions

Diagram Based Questions | Q 1

The following diagram is that of a human brain. Guidelines 1 to 5 indicate different parts of the surface of the brain and these are as follows:

1. The frontal lobe of the cerebrum
2. The temporal lobe of the cerebrum
3. The occipital lobe of the cerebrum
4. Cerebellum
5. Medulla oblongata
Study the diagram and answer the following questions:
(i) What handicaps would result from:
(a) Damage toçart numbered 3.
(b) Damage to part numbered 4.
(ii) Mention one main function of each of the parts numbered 1,2, and 5.

Diagram Based Questions | Q 2

The below diagram represents a longitudinal section of the human brain. Label its parts 1-9 as shown with guidelines.

Diagram Based Questions | Q 3

The below-simplified diagram shows a section through the brain.

(i) Name the parts labeled A, B, and C.
(ii) Give one function of each of the parts A, B, and C.
(iii) What is found in region D?

Diagram Based Questions | Q 4

The below diagram represents the human brain as seen in an external view. Study the same and then answer the questions that follow:

(i) Name the parts labeled 1, 2, 3, and 4.
(ii) Mention the difference in the arrangement of the nerve cells in the parts marked ‘1’ and ‘4’.
(iii) What is the main function of the parts marked ‘3’ and ‘4’?
(iv) Name the sheet of nerve fibers that connect the two halves of the part labeled ‘1’.

Diagram Based Questions | Q 5

The diagram given below shows the internal structure of the spinal cord, depicting a simple reflex. Study the same and then answer the questions that follow:

(i) Name the parts numbered 1 to 5.
(ii) Using the letters of the alphabet shown in the figure indicate the direction in which an impulse enters and leaves the spinal cord.
(iii) What is the term given to the point of contact between two nerve cells?
(iv) What is meant by ‘simple reflex’ ? Give two examples of simple reflexes and name the stimuli too.
(v) How does the arrangement of nerve cells in the spinal cord differ from that in the brain?

Diagram Based Questions | Q 6

The diagram given below represents the spinal cord of a mammal, seen in a transverse section together with the nerves. Study the diagram and then answer the questions given below:

(i) Label the parts 1—8 indicated by guidelines.
(ii) What do the arrows indicate? What is the pathway indicated termed?
(iii) What type of nerve is shown in the diagram?

Diagram Based Questions | Q 7

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?

Diagram Based Questions | Q 8

The diagram given below represents the cross-section of the human eye:

(i) Name the parts labeled 1—12.
(ii) What is the function of the part marked ‘10’?
(iii) What would happen if part ‘5’ is damaged or cut?

Diagram Based Questions | Q 9.1

Given below is a diagram of a part of the human ear. Study the same and answer the question that follow:

Give the collective biological term for malleus, Incus and stapes.

Diagram Based Questions | Q 9.2

Given below is a diagram of a part of the human ear. Study the same and answer the question that follow:

Name the parts labeled A, B and C in the diagram.

Diagram Based Questions | Q 9.3

Given below is a diagram of a part of the human ear. Study the same and answer the question that follow:

State the functions of the parts labeled 'A' and 'B'.

Diagram Based Questions | Q 9.4

Given below is a diagram of a part of the human ear. Study the same and answer the question that follow:

Name the audio receptor region present in the part labeled 'A'.

Diagram Based Questions | Q 10

The following diagram refers to the ear of a mammal.

(i) Label the parts 1 to 10 to which the guidelines point.
(ii) Which structure:
(a) converts sound waves into mechanical vibrations?
(b) Converts vibrations into nerve impulses?
(c) Responds to change in position?
(d) Transmits impulses to the brain?
(e) Equalizes atmospheric pressure and pressure in the ear.

Diagram Based Questions | Q 11

Given below is the diagram of the human ear. Study the same and answer the questions that follow:

(i) Give the biological term for the part labeled ‘A’ and state its function.
(ii) Name the part labeled ‘B’ and state its function.
(iii) Name the part labeled ‘C’ and state its function.
(iv) Give the function of ear wax.

Diagram Based Questions | Q 12

The diagram given below is a representation of a certain phenomenon pertaining to the nervous system. Study the diagram and answer the following questions:

(i) Name the phenomenon which is being depicted.
(ii) Give the technical term for the point of contact between the two nerve cells.
(iii) Name the parts 1, 2, 3, and 4.
(iv) Write the functions of parts 5 and 6
(v) How does the arrangement of neurons in the spinal cord differ from that of the brain?

Diagram Based Questions | Q 13

Study the following diagram carefully and then answer the questions that follow. The diagram is depicting a defect of the human eye :

(i) Identify the defect shown in the diagram.
(ii) Give two possible reasons for the above defect.

Diagram Based Questions | Q 14.1

Given below is a diagram depicting a defect of the human eye. Study the same and answer the question that follow:

Name the defect shown in the diagram.

Diagram Based Questions | Q 14.2

Given below is a diagram depicting a defect of the human eye? Study the same and answer the question that follow:

Give two possible reasons for this defect of the eye in human beings.

Diagram Based Questions | Q 14.3

Given below is a diagram depicting a defect of the human eye? Study the same and answer the question that follow:

Name the parts labeled 1 to 4.

Diagram Based Questions | Q 14.4

Given below is a diagram depicting a defect of the human eye? Study the same and answer the question that follow :

Name the type of lens used to correct this eye defect.

Diagram Based Questions | Q 15

Given below is a diagrammatic representation of a defect of the human eye:

(i) Identify the defect.
(ii) Mention two reasons for the above defect.
(iii) State how the defect can be rectified.
(iv) Name the part of the eye responsible for maintaining the shape of the eyeball.

Diagram Based Questions | Q 16

With respect to human eye explain:
(i) How is the image formed on the retina?
(ii) How is the amount of light entering the eye-controlled?
(iii) What type of lens is used for the correction of ‘Long sight’ defect?
(iv) With the help of a ray, diagram show the defect of the eye and then its correction after the use of a lens.

Diagram Based Questions | Q 17

Given below is the diagram of the human ear. Study the diagram and then answer the questions that follow:

(i) What role does the eardrum play in hearing?
(ii) What common term is given to the parts labeled A, B, and E?
(iii) Would there be any difference if these three parts mentioned in (ii) above were replaced by one by one? Why?
(iv) Give the biological term for the parts labeled C and D.
(v) Name the fluid which fills the parts mentioned in (iv) above.
(vi) State the functions of the ear.

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Sketch and Label the Diagram

ICSE solutions for Class 10 Biology Chapter 8 The Nervous System and Sense Organs Sketch and Label the Diagram

Sketch and Label the Diagram | Q 1

Draw a neat labeled diagram to show how hypermetropia can be rectified.

Sketch and Label the Diagram | Q 2

Draw well labeled diagram of a ‘Neuron’ and name the following parts:
(1) Node of Ranvier (2) Nissil granules (3) Cyton

Sketch and Label the Diagram | Q 3

Draw a labeled diagram of a myelinated neuron.

Sketch and Label the Diagram | Q 4

Draw a diagram of the human eye as seen in a vertical section and label the parts which suit the following descriptions relating to the:
(i) photosensitive layer of the eye.
(ii) structure which is responsible for holding the eye lens in its position.
(iii) structure which maintains the shape of the eyeball and the area of no vision.
(iv) anterior chamber seen in front of the eye lens.
(v) outermost transparent layer seen in front of the eyeball.

Sketch and Label the Diagram | Q 5

Draw a labeled diagram of the front view of human eye.

Sketch and Label the Diagram | Q 6

Draw a labeled diagram of the inner ear. Name the part of the inner ear that is responsible for static balance in human beings.

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Explain the Terms

ICSE solutions for Class 10 Biology Chapter 8 The Nervous System and Sense Organs Explain the Terms

Explain the Terms | Q 1

Explain the Term: Nerve

Explain the Terms | Q 2

Explain the term: Mixed nerve

Explain the Terms | Q 3

Explain the Term: Cyton

Explain the Terms | Q 4

Explain the Term: Ganglion

Explain the Terms | Q 5

Explain the Term: Voluntary-action

Explain the Terms | Q 6

Explain the Term: Synapse

Explain the Terms | Q 7

Explain the Term:  Reflex action

Explain the Terms | Q 8

Explain the Term: Natural reflex

Explain the Terms | Q 9

Explain the Term: Accommodation in the eye

Explain the Terms | Q 10

Explain the Term: Hypermetropia

Explain the Terms | Q 11

Explain the Term: Presbyopia

Explain the Terms | Q 12

Explain the Term: Astigmatism

Explain the Terms | Q 13

Explain the Term: Cataract

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Name the Following

ICSE solutions for Class 10 Biology Chapter 8 The Nervous System and Sense Organs Name the Following

Name the Following | Q 1

Name the following:
Unit of the nervous system is

Name the Following | Q 2

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

Name the Following | Q 3

Name the following:
Name the bony box in which the brain is located.

Name the Following | Q 4

Name the following:
The biological term given to the protective membranes of the brain.

Name the Following | Q 5

Name the following:
The seat of memory and intelligence in the human brain.

Name the Following | Q 6

Name the following:
The pigmented circular area seen in the eye.

Name the Following | Q 7

Name the following:
The most sensitive region of the retina.

Name the Following | Q 8

Name the following:
 The innermost layer of the eye

Name the Following | Q 9

Name the following:
The focal length of the lens is altered by the contraction of which type of muscles.

Name the Following | Q 10

Name the following:
The area where the image is formed but not seen by our eye is termed as.

Name the Following | Q 11

Name the following:
The region in the eye where the rods and cones are located.

Name the Following | Q 12

Name the following:
Yellow spot and ciliary muscles are found in.

Name the Following | Q 13

Name the following:
The part of the eye responsible for change in the size of the pupil.

Name the Following | Q 14

Name the following:
Fluid present in the posterior chamber of the eye.

Name the Following | Q 15

Name the following:
The defect of the human eye caused due to the uneven surface of the cornea.

Name the Following | Q 16

Name the following:
The type of lens used for correcting myopia.

Name the Following | Q 17

Name the following:

The photoreceptors found in the retina of the eye.

Name the Following | Q 18

Name the following:
The ear ossicle in contact with the oval window of the inner ear.

Name the Following | Q 19

Name the three ear ossicles. How do they contribute in the mechanism of hearing?

Name the Following | Q 20

What is the biological term for the three small bones present in the middle ear collectively?

Name the Following | Q 21

With reference to the human ear, answer the question that follow:

Name the part of the ear associated with

(1) static balance

(2) hearing

(3) dynamic balance.

Name the Following | Q 22

With reference to the human ear, answer the question that follow:

Name the nerve, which transmits messages from the ear to the brain.

Name the Following | Q 23

With reference to the human ear, answer the question that follow:

Give the technical term for the structure found in the inner ear.

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Give Technical Terms

ICSE solutions for Class 10 Biology Chapter 8 The Nervous System and Sense Organs Give Technical Terms

Give Technical Terms | Q 1

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

Give Technical Terms | Q 2

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

Give Technical Terms | Q 3

Give Technical Term:
The brain and spinal cord together constitute the system known as.

Give Technical Terms | Q 4

Name the following:
The seat of memory and intelligence in the human brain.

Give Technical Terms | Q 5

Name the following:

The part of the human brain which controls body temperature.

Give Technical Terms | Q 6

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

Give Technical Terms | Q 7

Give Technical Term:
The scientist, who conducted experiment on a dog to show conditioned reflex

Give Technical Terms | Q 8

Give Technical Term:
Response to a stimulus without the intervention of the will of an animal.

Give Technical Terms | Q 9

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

Give Technical Terms | Q 10

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

Give Technical Terms | Q 11

Give Technical Term:
The fluid that provides protection and nourishment to the cells of the brain.

Give Technical Terms | Q 12

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

Give Technical Terms | Q 13

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 Terms | Q 14

Name the following:

The junction between two nerve cells

Give Technical Terms | Q 15

Give Technical Term:
The fluid which fills the central canal of the spinal cord.

Give Technical Terms | Q 16

Give Technical Term:
The path which responsible for protecting the eye from sweat.

Give Technical Terms | Q 17

Give Technical Term:
The type of lens used to correct myopia is

Give Technical Terms | Q 18

Name the following:

The part of the eye responsible for its shape.

Give Technical Terms | Q 19.1

What type of lens is used to correct Astigmatism?

Give Technical Terms | Q 19.2

Give Technical Term:
The type of lens used to correct myopia is

Give Technical Terms | Q 19.3

What type of lens is used to correct Hypermetropia?

Give Technical Terms | Q 20

Name the following:
The most sensitive region of the retina.

Give Technical Terms | Q 21

What is the nature of the image that forms on the retina?

Give Technical Terms | Q 22

Give Technical Term:
The cells of the retina that are sensitive to colour.

Give Technical Terms | Q 23

Give Technical Term:
Name the part of the retina on which an object is focused for the clearest vision.

Give Technical Terms | Q 24

Give Technical Term:
The adjustment of the eye in order to obtain a clear vision of objects at different distances

Give Technical Terms | Q 25

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

Give Technical Terms | Q 26

Give Technical Term:
The fluid which conveys the vibrations of sound in the cochlea and semicircular canals.

Give Technical Terms | Q 27

Give Technical Term:
The nutritive layer of the eye which also presents reflection of light.

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Fill in the Blanks

ICSE solutions for Class 10 Biology Chapter 8 The Nervous System and Sense Organs Fill in the Blanks

Fill in the Blanks | Q 1

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

Fill in the Blanks | Q 2

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

Fill in the Blanks | Q 3

Complete the following sentence with appropriate word :
 _____________ is the largest part of the brain.

Fill in the Blanks | Q 4

Complete the following sentence with appropriate word :
Cerebrum is the site of __________.

Fill in the Blanks | Q 5

Complete the following sentence with appropriate word :
The part of brain where the respiratory centre is located is _______________.

Fill in the Blanks | Q 6

Complete the following sentence with appropriate word :
The medulla oblongata is also known as the_________.

Fill in the Blanks | Q 7

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

Fill in the Blanks | Q 8

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

Fill in the Blanks | Q 9

Complete the following sentence with appropriate word :
An inability to focus on nearby objects due to loss of elasticity of the lens with age is called Iris.

Fill in the Blanks | Q 10

Complete the following sentence with appropriate word :
 The part of the central nervous system which responds to the reflex action is ________.

Fill in the Blanks | Q 11

Complete the following sentence with appropriate word :
 ________ is the organ of balance and hearing in the body.

Fill in the Blanks | Q 12

Complete the following sentence with appropriate word :
Tympanic chamber is filled with _________.

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True & False

ICSE solutions for Class 10 Biology Chapter 8 The Nervous System and Sense Organs True & False

True & False | Q 1

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

  • True

  • False

True & False | Q 2

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

  • True

  • False

True & False | Q 3

Mention, if the following statement is True or False
Cranium is & portion of the brain

  • True

  • False

True & False | Q 4

Mention, if the following statement is True or False
Spinal nerves are twelve pair

  • True

  • False

True & False | Q 5

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.

  • True

  • False

True & False | Q 6

Mention, if the following statement is True or False
Reflex action involves brain

  • True

  • False

True & False | Q 7

Mention, if the following statement is True or False
A reflex action is a spontaneous response to a stimulus.

  • True

  • False

True & False | Q 8

Mention, if the following statement is True or False
Reflex action is a unit of nervous action

  • True

  • False

True & False | Q 9

Mention, if the following statement is True or False
Cones are the receptor cells in the retina of the eye sensitive to dim light.

  • True

  • False

True & False | Q 10

Mention, if the following statement is True or False
Rods are responsible for vision in the dark

  • True

  • False

True & False | Q 11

Mention, if the following statement is True or False
The least distance of distinct vision for the human eye is 25 cm

  • True

  • False

True & False | Q 12

Mention, if the following statement is True or False
Hypermetropia is a defect of the eye caused due to the eyeball elongation

  • True

  • False

True & False | Q 13

Mention, if the following statement is True or False
The part of ear associated with balance is the cochlea. 

  • True

  • False

True & False | Q 14

Mention, if the following statement is True or False
Cochlea of the ear is concerned with the sense of balance.

  • True

  • False

True & False | Q 15

Mention, if the following statement is True or False
Deafness is caused due to the rupturing of the pinna.

  • True

  • False

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State the Location

ICSE solutions for Class 10 Biology Chapter 8 The Nervous System and Sense Organs State the Location

State the Location | Q 1

The exact location of the Yellow spot

State the Location | Q 2

State the Location of: 
Corpus callosum 

State the Location | Q 3

Mention the exact location of the following : 
 Incus 

State the Location | Q 4

State the exact location of the Organ of Corti

State the Location | Q 5

State the Location of: 
Pinnae

State the Location | Q 6

State the Location of: 
Meninges

State the Location | Q 7

State the Location of: 
Lacrimal gland

State the Location | Q 8

State the Location of: 
Made of Ranvier

State the Location | Q 9

Where is this located?
Ganglia

State the Location | Q 10

Where is this located?
Cerebellum

State the Location | Q 11

State the Location:
Iris

State the Location | Q 12

Mention the exact location of the Eustachian tube

State the Location | Q 13

State the Location:
Semicircular canals

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State the Function

ICSE solutions for Class 10 Biology Chapter 8 The Nervous System and Sense Organs State the Function

State the Function | Q 1

State the Function:
Cerebrum

State the Function | Q 2

State the Function:
Hypothalamus

State the Function | Q 3

State the Function:
Cerebellum

State the Function | Q 4
Describe briefly the functions of medulla oblongata.
State the Function | Q 5

State the Function:
Cornea

State the Function | Q 6

State the Function:
Iris

State the Function | Q 7

State the Function:
Aqueous humour

State the Function | Q 8

State the Function:
Choroid coat in the eye

State the Function | Q 9

State the Function:
Ear drum

State the Function | Q 10

What is the function of ear ossicles?

State the Function | Q 11

State the Function:
Myelin sheath

State the Function | Q 12

The main function of Cerebrospinal fluid

State the Function | Q 13

State the Function:
Acetylcholine

State the Function | Q 14

Give the main function of the following:
Cochlea

State the Function | Q 15

State the Function:
Semi-circular canals

State the Function | Q 16

State the Function:
Endolymph

State the Function | Q 17

State the main function of the Eustachian tube

State the Function | Q 18

State the Function:
Visual purple

State the Function | Q 19

State the Function:
Conjunctiva

State the Function | Q 20

State the Function:
Vitreous humour

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Choose the Odd One Out

ICSE solutions for Class 10 Biology Chapter 8 The Nervous System and Sense Organs Choose the Odd One Out

Choose the Odd One Out | Q 1

 Choose the Odd One Out: 

  • Cyton

  • Photon

  • Axon

  • Dendron

Choose the Odd One Out | Q 2

 Choose the Odd One Out: 

  • Cyton

  • Axon

  • Dendron

  • Cerebrum

Choose the Odd One Out | Q 3

 Choose the Odd One Out: 

  • Coughing

  • Sneezing

  • Eating

  • Eating

Choose the Odd One Out | Q 4

 Choose the Odd One Out: 

  • Corpus luteum

  • corpus callosum

  • pens

  • cerebellum

Choose the Odd One Out | Q 5

 Choose the Odd One Out: 

  • Sneezing

  • coughing

  • blinking

  • typing

Choose the Odd One Out | Q 6

 Choose the Odd One Out: 

  • Cerebrum

  • Cranium

  • Cerebellum

  • Pons

Choose the Odd One Out | Q 7

 Choose the Odd One Out: 

  • Sodium pump

  • Polared membrane

  • Threshold stimulus

Choose the Odd One Out | Q 8

 Choose the Odd One Out: 

  • Pons

  • Cerebellum

  • Medulla Oblongata

  • Cerebrum

Choose the Odd One Out | Q 9

 Choose the Odd One Out: 

  • Choroid

  • Cilîary part

  • Iridial part

  • Cornea

Choose the Odd One Out | Q 10

 Choose the Odd One Out: 

  • Rods

  • Cones

  • Night blindness

  • Rhodopsin

Choose the Odd One Out | Q 11

 Choose the Odd One Out: 

  • Myopia

  • Hypermetropia

  • Xerophthalmia

  • Astigmatism

Choose the Odd One Out | Q 12

 Choose the Odd One Out: 

  • Myopia

  • cataract

  • Hypermetropia

  • Squint

  • cretinism

Choose the Odd One Out | Q 13

 Choose the Odd One Out: 

  • Ciliary’s muscle

  • Chords

  • Fovea

  •  Gustatory cells

Choose the Odd One Out | Q 14

 Choose the Odd One Out: 

  • Incus

  • Pinna

  • Malleus

  • Stapes

Choose the Odd One Out | Q 15

 Choose the Odd One Out: 

  • Semicircular canals

  • cochlea

  • Tympanum

  • Utriculus

Choose the Odd One Out | Q 16

 Choose the Odd One Out: 

  • Eustachian tube

  • Basilar membrane

  • Taste buds

  • Auditory ossicles

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Multiple Choice Questions

ICSE solutions for Class 10 Biology Chapter 8 The Nervous System and Sense Organs Multiple Choice Questions

Multiple Choice Questions | Q 1

Complete the following sentence with appropriate Word
The function of nervous system is to:

  • Receive stimuli

  • Irritability

  • Conduction of enzymes 

  • To prepare the body against reactions during emergency

Multiple Choice Questions | Q 2

Complete the following sentence with appropriate Word
A point of contact between two neurons is termed:

  • synapse 

  • Sensory neuron

  • neuromotor junction

  • Association neuron.

Multiple Choice Questions | Q 3

Complete the following sentence with appropriate Word
Neurilemma is:

  • The cell membrane around the nerve cell

  • A layer of fatty substance around the axon.

  • A layer of specialized neuroglia around the myelin sheath of nerve fibres.

  • The connective tissue around a nerve tract.

Multiple Choice Questions | Q 4

Complete the following sentence with appropriate Word
Cerebellum is the part of the brain which is responsible for:

  • Interpreting sensations.

  • Conducting reflexes in the body

  • Maintaining posture and equilibrium.

  • Controlling thinking, memory and reasoning.

Multiple Choice Questions | Q 5

Complete the following sentence with appropriate Word
If the cerebellum is injured:

  • Movement’becómes shaky and speech become defective

  • Movement becomes unbalanced, walk uncontrolled and speech defective

  • Movement becomes jerky, walk controlled

  • There is no effect as the actions are under the control of will.

Multiple Choice Questions | Q 6

Complete the following sentence with appropriate Word
The control of reflex action is through:

  • Central nervous system

  • Peripheral nervous system.

  • Autonomic nervous system

  • None of the above.

Multiple Choice Questions | Q 7

Complete the following sentence with appropriate Word
The ventral root ganglion of the spinal cord contains cell bodies of the:

  •  Motor neuron

  • Intermediate neuron

  • synapsis

  • sensory

Multiple Choice Questions | Q 8

Complete the following sentence with appropriate Word
A reflex arc in man is best described as movement of stimuli from:

  • Receptor cell, sensory neuron, relaying neuron, effector muscles

  •  Receptor cell, efferent nerve, relaying neuron, muscles of the body

  • Receptor cell, spinal cord, motor neuron, relaying neuron

  •  Receptor cell, synapse, motor neuron, relaying neuron

Multiple Choice Questions | Q 9

Complete the following sentence with appropriate Word
Which of the following is not a natural reflex action?

  • Knee-jerk

  • Blinking of eyes due to strong light

  • Salivation at the sight of food

  • Sneezing when any irritant enters the nose

Multiple Choice Questions | Q 10

Complete the following sentence with appropriate Word
The part of the human eye where rod cells and cone cells are located is the:

  • Retina

  • Cornea

  • Choroid

  • Sciera

Multiple Choice Questions | Q 11

Complete the following sentence with appropriate Word
The photoreceptor cells of the retina sensitive to colour are:

  • Cones

  • Pupil

  • Rods

  • Organ of corti

Multiple Choice Questions | Q 12

Complete the following sentence with appropriate Word
The aperture in the eye through which light enters is the:

  • Pupil 

  • Conjunctiva

  • Ciliary muscles

  • Choroid

Multiple Choice Questions | Q 13

Complete the following sentence with appropriate Word
The sequence of ear ossicles of vertebrates starting from the tympanum is:

  • Incus, Malleus, Stapes

  • Stapes, Malleus, Incus

  • Malleus, Incus, Stapes

  • Stapes, Incus, Malleus

Multiple Choice Questions | Q 14

Complete the following sentence with appropriate Word
The parts of the human ear concerned with hearing are :

  • Cochlea, ear ossicles and tympanum

  • Semicircular canals, utriculus and sacculus

  • Eustachian tube, tympanum and utriculus

  • Perilymph, ear ossicles and semicircular canals

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Match the Column

ICSE solutions for Class 10 Biology Chapter 8 The Nervous System and Sense Organs Match the Column

Match the Column | Q 1

Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with the suitable idea given in Column ‘I’.

  Column I   Column II
(i) Auditory canal (a) Channels pressure waves of air into the middle ear.
(ii)  Auditory (Eustachian tube) (b) Collects pressure waves of air.
(iii) Auditory nerve (c) Converts pressure waves of air into vibrations of bone.
(iv) Incus (d) Dissipates sound waves.
(v) Malleus (e) Equalizes pressure between the middle ear and the atmosphere.
(vi) Oval window (f)  Provide information about the spatial orientation of the head.
(vii) Pinna (g) Transfers vibrations from a bone to a fluid.
(viii) Round window (h) Transfers vibrations from a bone to a membrane.
(ix) Semi-circular canal (i) Transfers vibrations from a bone to a bone.
(x)  Stapes (j) Transfers vibrations from a membrane to a bone.
(xi) Tympanic membrane (k) Transmits action potential to the auditory cortex.
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Chapter 8: The Nervous System and Sense Organs

Short QuestionsGive ReasonsDifferentiateDiagram Based QuestionsSketch and Label the DiagramExplain the TermsName the FollowingGive Technical TermsFill in the BlanksTrue & FalseState the LocationState the FunctionChoose the Odd One OutMultiple Choice QuestionsMatch the Column
Class 10 Biology - Shaalaa.com

ICSE solutions for Class 10 Biology chapter 8 - The Nervous System and Sense Organs

ICSE solutions for Class 10 Biology chapter 8 (The Nervous System and Sense Organs) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CISCE Class 10 Biology solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. ICSE textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 10 Biology chapter 8 The Nervous System and Sense Organs are Structure of the Neuron, Major Division of the Nervous System, The Spinal Cord, Reflex Action and Reflex Arc, Human Eye: Structure of the Eye, Ear: Parts and Functions of the Ear, Eye Defect and Its Correction: Myopia Or Near-sightedness, Brain and Its Structure, Concept of Nervous System.

Using ICSE Class 10 solutions The Nervous System and Sense Organs exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in ICSE Solutions are important questions that can be asked in the final exam. Maximum students of CISCE Class 10 prefer ICSE Textbook Solutions to score more in exam.

Get the free view of chapter 8 The Nervous System and Sense Organs Class 10 extra questions for Class 10 Biology and can use Shaalaa.com to keep it handy for your exam preparation

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