Punjab State Board PSEB 3rd Class Welcome Life Book Solutions Chapter 1 Our Food and Water Textbook Exercise Questions and Answers.
PSEB Solutions for Class 3 Welcome Life Chapter 1 Our Food and Water
Welcome Life Guide for Class 3 PSEB Our Food and Water Textbook Questions and Answers
Question 1.
Which food items go spoil in the house?
Answer:
- Milk,
- Vegetables,
- Fruit,
- Pulses,
- Rice.
Question 2.
How do we know that food is not edible?
Answer:
From the following we can get food is not edible :
- By the smell of seeing.
- The date written on the packet.
- By colour.
- By taste.
Question 3.
How does food spoil?
Answer:
By Germs, fungi, bacteria and smell etc.
Question 4.
What happens by eating old food?
Answer:
Children can have abdominal pain, vomiting, diarrhea, and dysentery.
Question 5.
What should be take care of?
Answer:
We should take care of that we should never eat old food.
Question 6.
How does bread get mold?
Answer:
We wet a piece of a bread and keep it in a closed box for a few days and after a few days, we see that it gets moldy.
Verbal questions
Question 1.
What will you do to check if canned/packaged food is bad or not?
(A) The colour of the packet.
(B) Date written on the packet.
(C) Packet / box size.
(D) All these.
Answer:
(D) All these.
Question 2.
As soon as Sukhman opened the tiffin today, lie said, “Today the vegetable seem to be spoiled. Tell how did Sukhman know that the vegetable is spoiled.
(A) By smell
(B) By change of colour
(C) By taste
(D) None of these.
Answer:
(A) By smell.
Page 5
Activity-1
Students, according to the above picture, some pictures are given below as a solution to the causes of contamination of food. Looking at those pictures, write the solution in your own words.
Answer:
Page-6
Activity-2
Make a list of things to remember based on the above information.
Answer:
1. Food should be kept covered.
2. The toilet door should be closed.
3. Hands should be washed with clean; water.
4. The house should be clean.
5. Keeping food in the fridge can also prevent spoilage.
Let’s try to understand :
Question 1.
According to the above information, what is the main cause of food contamination?
(A) Open stool
(B) Flies
(C) Water
(D) Plants.
Answer:
(B) Flies.
Question 2.
What should be done to protect the food from the Flies?
(A) Flies should be killed.
(B) Food should be kept covered.
(C) The stool should be in the toilet.
(D) Both “A” and “B”.
Answer:
(B) Food should be kept covered.
Page-8
Activity-2
Amit is talking to his grandfather about the homework given by the teacher. The information collected with Dada Ji’s advice is to be filled in the table below, what does Dada ji tell him?
Answer:
| Water resources | Reason of spoil |
| 1. River | Wastage throw |
| 2. Pond | Wastage throw |
| 3. Well | Wastage throw |
| 4. Tap | Not well way to use |
| 5. Sea | By throwing dirty chemicals of factories |
Page-9
Activity-2
Based on the reasons given by the teacher for the contamination of water, what can you do to prevent water contamination?
Answer:
Some methods of water contamination are as follows :
- Keep the water covered.
- Do not throw dirt, garbage in die water.
- Do not bath animals in the pond.
- Protecting from dirty chemicals of factories.
Verbal questions
Question 1.
How do you estimate water contamination?
(A) From its colour.
(B) From its taste.
(C) From its smell.
(D) From all these.
Answer:
(D) From all these.
Question 2.
What is the natural cause of water contamination?
(A) Garbage
(B) Water from factories discharges river waste
(C) Throwing dirt
(D) Dust.
Answer:
(D) Dust.
Page-11
Question 1.
What can you learn from this story, “Water never runs out”?
Answer:
We learnt that the Tulu pumps have drawn all the water from our taps as we run to fill the taps and tanks. Truly, man has raised his standard of living and lowered the level of water.
Page-12
Multiple Choice Questions
Question 1.
How can water be saved?
(A) By putting it in the bucket.
(B) By using water wisely.
(C) Not using water.
(D) By all these.
Answer:
(B) By using water wisely.
Question 2.
What do you think will drain the water?
(A) By playing with water.
(B) Washing clothes.
(C) With sunshine.
(D) By losing in vain.
Answer:
(D) By losing in vain.
Welcome Life Guide for Class 3 PSEB Our Food and Water Important Questions and Answers
(i) Multiple Choice Questions:
Question 1.
Why didn’t Avatar come to school?
(A) He had Diarrhoea, vomiting, and fever.
(B) He was going for a walk.
(C) He has some work at home.
(D) None of these.
Answer:
(A) Diarrhoea, vomiting, and fever.
Question 2.
How does food spoil?
(A) By Germs, fungi, and bacteria
(B) By keeping in the fridge
(C) By covering the food.
(D) By all of them.
Answer:
(A) By Germs, fungi, and bacteria.
Question 3.
How does water get dirty?
(A) The tank has not been cleaned for several days.
(B) If the pipe fit right.
(C) By touching the water.
(D) By using the water properly.
Answer:
(A) The tank has not been cleaned for several days.
(ii) Answers shorter than one sentence:
Question 1.
Should we drink contaminated water?
Answer:
No, w should not drink contaminated water.
Question 2.
What Is the natural reason for the contamination of water?
Answer:
Dust.
Question 3.
Water is a precious stone of life. Is it true?
Answer:
Yes, absolutely right.
Question 4.
How can we conserve water?
Answer:
By not wasting water.
(iii) Fill in the blanks:
1. …………………………. are also a cause of food contamination.
Answer:
Flies,
2. Flies can make us ………………………. .
Answer:
Sick,
3. Keep the water ……………………… .
Answer:
Cover,
4. Water sources are ……………………….. .
Answer:
River pond, sea.
(iv) Brain Exercise:
(a)
Answer:
(b)
Answer:
(v) Question with big answer
Question 1.
How many diseases are caused by drinking contaminated water?
Answer:
By drinking contaminated water can lead to many diseases. Such as:
