Class 5 Science Nervous System Questions Answers

Class 5 Science Nervous System Questions Answers

 

Fill in the blanks

 

The largest sense organ is the ……………… 

The …………..is the largest part of the brain. 

Images of objects are formed on the ………… 

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

………… types of taste can be detected by the tongue. 

Sense organs send signals to the brain through ……….. nerves. 

The brain sends signals to the muscles through ………… nerves. 

The nerve cells of the body are called …………..

Reflex actions are controlled by the …………….

Snakes smell with their…………….

The colored circle inside the eye is called ………………..

Skin gets its color from …………. pigment.

 

Answers of fill in the blanks:-

 

Skin

Cerebrum

Retina

Oxygen

Four

Sensory

Motor

Neurons

Spinal cord

Tongues

Pupil

Melanin

 

Answer the following questions: –

 

What are the differences between sensory and motor nerves?

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.

 

What are the three parts of the ear?

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

 

Name the three main parts of the brain.

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

 

Define Reflex action?
When we do automatic actions without thinking, we are reacting 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.

 

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.

 

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.
  • You should rinse your mouth after every meal.

Class 5 All Chapters Science Question & Answers

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