Samacheer Kalvi 4th Science Book Solutions Term 1 My Body

 

Tamilnadu State Board Text Books Solutions for Class 12th, 11th, 10th, 9th, 8th, 7th, and 6th, 5th, 4th, 3rd, 2nd, 1st Standard

Samacheer Kalvi 4th Science Book Back Answers

Samacheer Kalvi 4th Science Book Solutions Term 1

• Chapter 1 
• My Body

I. Pick out the odd one :

Question 1.

1. Heart

2. Legs

3. Brain

4. Kidney

Answer:

2. Legs

Question 2.

1. Eyes

2. Ears

3. Fingers

4. Lungs

Answer:

4. Lungs

Question 3.

1. Fore brain

2. Mid brain

3. Hind brain

4. Nerves

Answer:

4. Nerves

II. Complete the figure with words given in the bracket :

(Kissing on the mouth, Grand parents’ love, Hitting the buttocks, Pat of dad on head, Parent’s hug and kisses, Showing awkward pictures)

Question 1.

III. Find the answers from the following clues and circle the words (First one is done for you)

Question 1.

1. An internal organ.

2. Organ that helps us to breath.

3. An organ removing wastes from our body,

4. Unfair and unhealthy touch.

5. Everyday we should drink more ___________ .

IV. Say true or false :

1.Head, hand and legs are internal organs. False

2. Heart is made up of muscles. True

3. Muscles are the soft parts that cover our bones. True

4. Brush your teeth once a day. False

5. Father patting you on your head is a good touch. True

V. Choose the correct answer :

Question 1.

____________ is the commanding centre of our body.

(a) Heart

(b) Lungs

(c) Kidney

(d) Brain

Answer:

(d) Brain

Question 2.

Food is converted to energy in the _____________.

(a) Neck

(b) Heart

(c) Stomach

(d) Nose

Answer:

(c) Stomach

Question 3.

Every day we should brush our teeth __________ times.

(a) One

(b) Two

(c) Three

(d) Four

Answer:

(b) Two

Question 4.

Good touch is a fair and ___________ touch.

(a) Unhealthy

(b) Bad

(c) Unsafe

(d) Healthy

Answer:

(d) Healthy

Question 5.

Drink a lot of every day.

(a) Oil

(b) Water

(c) Packed juice

(d) Salt water

Answer:

(b) Water

VI. Answer the following questions in one or two sentences :

Question 1.

Name the internal organs.

Answer:

Some body parts such as stomach, lungs and heart that are inside our body, these parts are called internal organs.

Question 2.

What are the functions of brain?

Answer:

Brain is the commanding centre of our body.

It controls all activities of our body like moving our hands and legs sitting or walking.

It helps us to think and perform various actions.

Question 3.

List out the food items for healthy mouth and teeth.

Answer:

Drink water or milk instead of sugar juices.

Take plenty of fruits, vegetables and dairy products.

Eat candy, cake and ice cream as less as possible.

Question 4.

How will you take care of your heart and kidney?

Answer:

For healthy Heart – Stay away from processed food. Choose fresh fruit and vegetable.

For healthy Kidney – Drink plenty of fluid (water & Juice).

Question 5.

What do you do when some one touches you and you feel uncomfortable?

Answer:

Say “Don’t touch” in a loud voice.

Leave the spot quickly.

Tell elders like your parents or teachers till you get help.

VII. Think and answer :

Question 1.

When an unknown person disturbs you, how do you behave? Write in your own words.

I must never be afraid, to shout and say, Don’t touch me”.

Must leave the spot quickly.

Must tell elders like father or mother or teacher to get help.

Question 2.

Which organ controls thinking, speaking and learning. Write its three important parts.

Answer:

The organ that controls thinking, speaking and learning is ‘Brain’.

The three important parts

of Brain are

தமிழ் கல்வி

Question 1.

There are some body parts hidden in the table below. Can you spot them?

Try to Answer (Text Book Page No. 83)

Question 1.

______ (Nose / Brain) is an internal organ.

Answer:

Rain

Question 2.

We can see the internal body parts (True / False).

Answer:

False

Try to Answer (Text Book Page No. 86)

Match the following :

Question 1.

1. Pair of spongy sac   - Lungs

2. ‘J’ shaped bag   - Stomach

3. Filters excess water   - Kidney

4. Command centre   - Brain

5. Pumps blood   - Heart

Try to Answer (Text Book Page No. 89)

Tick (✓) the foods that are good for your teeth and cross (✗) the food that are bad for your teeth.

Question 1.

Try to Answer (Text Book Page No. 90)

Question 1.

Is it Good touch or Bad touch? Why?

Answer:

(A) Bad touch – It is the kind you don’t like and want it to stop.

(B) Good touch – It is a way for people to show they care and help for each other.

Try to Answer (Text Book Page No. 92)

Look at the picture and write ‘Good touch’ or ‘Bad touch’.

Question 1.

Question 1.

fore brain, mid brain, hind brain, centre brain

Answer:

Center brain

Question 2.

spongy, J-shaped, contract, expand

Answer: J-shaped

Question 3.

bean shaped, purify blood, filtering, breath in

Answer: Bean shaped