Class 5 Science Nervous System Questions Answers

Last updated on July 25th, 2022 at 08:39 am

Class 5 Science Nervous System Questions Answers

 

Fill in the blanks

1. The largest sense organ is the ……………… 
2. The brain sends signals to the muscles through ………… nerves. 
3. Reflex actions are controlled by the …………….
4. The colored circle inside the eye is called ………………..

 

Answers of fill in the blanks:-

1. Skin
2. Motor
3. Spinal cord
4. Pupil

 

Nervous System Multiple Choice Questions  

[1] The …………..is the largest part of the brain. 

• Cerebrum
• Cerebellum

 

[2] Images of objects are formed on the ………… 

• Retina
• Pupil

[3] The constant supply of ……….. and glucose provides energy to the brain. 

• Oxygen
• Carbon Di-oxide

[4] ………… types of taste can be detected by the tongue. 

• Four
• Five
• Three

[5] Sense organs send signals to the brain through ……….. nerves. 

• Sensory
• Motor

[6] The nerve cells of the body are called …………..

• Neurons
• Protons
• Electrons

[7] Snakes smell with their…………….

• Tongue
• Skin

[8] Skin gets its color from …………. pigment.

• Melanin  
• Melamine

Answer the following questions: –

 

[Q] What are the differences between sensory and motor nerves?

[A] Our sense organs are connected to sensory nerves. The sensory nerves carry information from the eyes, nose, ears, tongue, and skin to the brain. Motor nerves carry information from the brain to our muscles and organs.

 

[Q] What are the three parts of the ear?

[A] The ear consists of three parts: the outer ear, the middle ear, and the inner ear.

 

[Q] Name the three main parts of the brain.

[A] The three main parts of the brain are – Cerebrum, Cerebellum, and Medulla.

 

[Q] Define Reflex action?
[A] When we do automatic actions without thinking, we react to unexpected situations. These actions are called reflex actions. Reflex action is controlled by the spinal cord, which can prevent many accidents and minimize damage.

 

[Q] What can we do to keep our ears healthy?

• Sharp objects should not be used to clean your ears.
• Keep the volume low when listening to music.
• The overuse of earplugs can harm our ears.
• Make sure your ears are dry and clean.

 

[Q] What we can do to take care of our tongue.

• Before or after brushing your teeth, clean your tongue with a tongue cleaner.
• Avoid eating or drinking anything that is very hot.
• It would be best if you rinse your mouth after every meal.

Class 5 All Chapters Science Question & Answers