4th Science Guide Term 1 Lesson 1 My body
4th Science Solutions Term 1 Chapter 1 My body
4th Standard Science Term 1 Lesson 4 Science in Everyday life Book Back Question and Answers Download PDf. 4th Science Term 1 English Medium Book in answers. 4th All Subject Book Back Answers.
4th Science Guide Science in Everyday life Text Book Back Questions and Answers
4th Science Guide My Body Text Book Back Questions and Answers
4th Science Guide Term 1 Chapter 1 My body
I. Pick out the odd one :
Question 1.
- Heart
- Legs
- Brain
- Kidney
Answer:2. Legs
Question 2.
- Eyes
- Ears
- Fingers
- Lungs
Answer:4. Lungs
Question 3.
- Fore brain
- Mid brain
- Hind brain
- 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.
- An internal organ.
- Organ that helps us to breath.
- An organ removing wastes from our body,
- Unfair and unhealthy touch.
- Everyday we should drink more ___________ .
Answer:
- Heart
- Lungs
- Kidney
- Bad Touch
- Water
IV. Say true or false :
Question 1.
Head, hand and legs are internal organs. Answer: False
Question 2.
Heart is made up of muscles. Answer: True
Question 3.
Muscles are the soft parts that cover our bones. Answer: True
Question 4.
Brush your teeth once a day. Answer: False
Question 5.
Father patting you on your head is a good touch. Answer: 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
- Fore brain
- Mid brain
- Hind brain
4th Science Guide Term 1 Chapter 1 My body
Let us Recall (Text Book Page No. 82)
Question 1.
There are some body parts hidden in the table below. Can you spot them?
Answer:
- Hear
- Nose
- Ears
- Leg
- Hand
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.
Answer:
- e
- a
- b
- c
- d
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.
Answer:
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.
4th Science Guide My body Additional Questions and Answers
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
Write True or False :
Question 1.
Brain is protected by skull.
Answer:True
Question 2.
We have three kidneys.
Answer:False
Question 3.
Lungs help us to breath.
Answer:True
Question 4.
When we breath in, the lungs become bigger.
Answer:True
Question 5.
We breath out, we give out oxygen from the lungs.
Answer:False
Question 6.
Lungs pumps blood to all parts of the body.
Answer:False
Match the following :
Question 1.
Answer:
- – b
- – a
- – d
- – c
Fill the blanks :
Question 1.
When we breath out, we give out __________ from the lungs.
(a) Carbon dioxide
(b) Oxygen
(c) Nitrogen
(d) Hydrogen
Answer:(a) Carbon dioxide
Question 2.
The heart beat about __________ in a minute.
- a) 71 times
- b) 72 times
- c) 62 times
- d) 60 times
Answer:(b) 72 times
Question 3.
How many kidneys does the human body have?
(a) 2
(b) 1
(c) 3
(d) 4
Answer:(a) 2
Question 4.
How many bones are there in an adult human being?
(a) 210
(b) 260
(c) 206
(d) 201
Answer:(c) 206
Question 5.
The main function of the kidney is
(a) To control blood pressure
(b) To control body temperature
(c) To remove waste product from the body
(d) To help in digestion of food.
Answer:(c) To remove waste product from the body
Question 6.
How many bone are there is a newly born infant
(a) 206
(b) 230
(c) 280
(d) 300
Answer:(d) 300
Question 7.
Which is the largest organ in the human body?
(a) Liver
(b) Heart
(c) Skin
(d) Kidney
Answer:(c) Skin
V. Fill in the blanks.
Question 1.
Stomach is a __________ bag found below the lungs.Answer:J-shaped
Question 2.
Heart is made up of _________.Answer:Muscles
Question 3.
Stomach contains special juice to breakdown ___________ into energy.Answer:Food
Question 4.
The kidneys purify __________.Answer:Blood
VI. Answer the following questions in one r two sentences :
Question 1.
Draw a human heart and colour the picture.
Answer:
Question 2.
What happens to the lungs when we breathe in?
Answer:
- When we breath in, we take in oxygen from air through the nose and pass it to the lungs.
- The lungs expands (becomes big) in the position.
Question 3.
What is milk teeth?
Answer:
- The first set of teeth starts to develop from the age of six months.
- They are called milk teeth and they are 20 in number.
Question 4.
Name the four types of the permanent teeth.
Answer:
There are four types of teeth: Incisors, Canines, Premolars and Molars.
Question 5.
How do you take care of your mouth and teeth?
Answer:
- Change toothbrush once in every three months.
- Avoid sticky food.
- Brush twice a day. (After getting up and before going to bed)
- Rinse your mouth with water every time after you eat.
Question 6.
List out the activities related to bad touch.
Answer:
- Touching the buttocks and other private parts.
- Hitting, slapping, spitting, pushing or punching, kissing.
- Activities that make you feel scared or nervous or ashamed.
- Dirty talk and dirty pictures.
