Samacheer Kalvi 3rd Standard Science Book Solutions Term 2 Chapter 1 Food

I. Choose and write the correct answer:

Question 1.
Bread, wheat and potato are rich in __________.
(a) fats
(b) carbohydrate
(c) protein
(d) roughage
Answer:
(b) carbohydrate

Question 2.
A balanced diet contains _________.
(a) Carbohydrates and vitamins
(b) Proteins, fats and minerals
(c) Fibre and water
(d) All the above
Answer:
(d) All the above

Question 3.
The Vitamin present in carrot is _________
(a) Vitamin-K
(b) Vitamin-A
(c) Vitamin-D
(d) Vitamin-E
Answer:
(b) Vitamin-A

Question 4.
Which of these things are BAD for you?
(a) Eating green vegetables
(b) Washing vegetables before cutting them
(c) Eating lot of fat food items
(d) Eating lot of pulses
Answer:
(c) Eating lot of fat food items

Question 5.
The given picture shows that Raman is most likely eating his a) Breakfast b) Lunch c) Dinner
(a) Breakfast
(b) Lunch
(c) Dinner
Answer:
(b) Lunch

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food

II. Fill in the blanks.

Question 1.
Food rich in ________ are called body-building food.
Answer:
Proteins

Question 2.
________ helps in proper functioning of our body.
Answer:
Vitamins

Question 3.
A ________ is necessary for the proper growth and development of our body.
Answer:
Balanced diet

Question 4.
Sprouted seeds contain more _______.
Answer:
Proteins

Question 5.
________ is the second meal of a day.
Answer:
Lunch

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food

III. Match the following:

1. Carbohydrates and fats a. Supports body growth
2. Vitamins b. Regulates body functions
3. Proteins c. Energy-giving food
4. Minerals d. Fights diseases

Answer:

1. Carbohydrates and fats a. Energy-giving food
2. Vitamins b. Fights diseases
3. Proteins c. Supports body growth
4. Minerals d. Regulates body functions

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food

IV. Answer the following questions.

Question 1.
How many nutrients are there? What are they?
Answer:
There are five main nutrients that our body requires. They are carbohydrates, proteins, fats, vitamins and minerals.

Question 2.
Siva is 6 years old. He needs to have good amount of proteins. Give reason.
Answer:
Growing kids need protein to help them build, maintain and replace the tissues in our body. Protein foods also help to form new blood cells and body tissues, and they help the nervous system function properly. So protein are known as body-building foods.

Question 3.
What is a balanced diet?
Answer:
A balanced diet contains all nutrients in the right amounts. It also includes fibre and water. It helps in the growth and development of our body.

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food

Question 4.
What are the meals in a day?
Answer:
A meal is what we eat during a particular time of the day. Breakfast, Lunch and Dinner are the three main meals we eat every day.

Question 5.
What are some traditional food items?
Answer:
Traditional Foods are Ragi, Thinai, Samai, Kuthiraivaali, Varagu and Kambu.

Question 6.
Write any three advantages of a Home Garden.
Answer:

  1. It is the easiest method.
  2. Waste water can be reused.
  3. We get vegetables which are fresh and high in nutritive value.

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food

In-Text Activity:

Warm-up (Text Book Page No. 37):

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food 1

a. The food items which should be avoided are indicated by ________ colour.
Answer:
Red

b. The food items which are healthy are indicated by ________ colour.
Answer:
Green

c. The food items which can be eaten in small quantities are indicated by ________ colour.
Answer:
Yellow

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food

Let us Write (Text Book Page No. 39):

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food 2

Answer:

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food 3

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food

Let us Write (Text Book Page No. 40):

A. What are the nutrients present in the following food items?

Question 1.
Rice contains _______.
Answer:
Carbohydrates

Question 2.
Coconut oil contains _______.
Answer:
Fats

Question 3.
Egg contains _______.
Answer:
Protein

Question 4.
Fig contains _______.
Answer:
Minerals

Question 5.
Carrot contains _______.
Answer:
Vitamins

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food

B. Fill in the table given below:

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food 4

Answer:

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food 5

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food

Let us Find (Text Book Page No. 41):

Unscramble the following worlds and search them in the ven grid (One is done for you).

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food 6

Answer:

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food 7

Let us Do (Text Book Page No. 41):

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food 8

Answer:

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food 9

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food

To check whether it is a balanced diet, split your meal according to the nutrients.

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food 10

Answer:

Proteins Carbohydrates Vitamins and Minerals Fats
Sprouted seeds, Egg, Milk Rice, Potato Carrot, Orange, Banana, Apple Butter, Ghee, Meat

Think & Answer:

Question 1.
Why do you eat every day? What happens if you don’t eat sometimes?
Answer:

  • Every day we feel hungry, and so we eat something.
  • If we don’t eat sometimes, we will be tired.

Question 2.
Why do we need food?
Answer:

  • Food gives us the energy to work and play.
  • Food builds our body.
  • Food keeps us healthy. So, we need food.

Question 3.
What do you usually eat for breakfast?
Answer:
I usually eat any one of the items of idly, dosa, bread omelet, idiyappam, poori, aappam, and Pongal.

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food

Question 4.
Which of the food items that are brought by your friends for lunch?
Answer:
My friends bring curd rice, lemon rice, tomato rice, tamarind rice, rice along with sambar, biriyani, fruit salad, greens, vegetable salad, cereals, etc. for lunch.

Question 5.
At what time you go to bed every day? At what time you have your dinner?
Answer:

  • I go to bed at 9.00 p.m.every day.
  • I have my dinner at 8.00 p.m.

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food

Try to Answer (Text Book Page No. 43):

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food 11

Question 1.
Which activities are healthy?
Answer:
2, 4, 5

Question 2.
Which activities are not so healthy?
Answer:
1, 3

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food

Try to answer (Text Book Page No. 44):

Some of the famous food items of Tamil Nadu are given below. Write the food items of the particular place.
(halwa, murukku, jackfruit, spices, kadalai mittai, mango, tea)

Question 1.
Manapparai is famous for ________
Answer:
Murukku

Question 2.
The nilgiris is famous for ________
Answer:
Tea

Question 3.
Panruti is famous for ________
Answer:
Jackfruit

Question 4.
Kollimalai is famous for ________
Answer:
Spices

Question 5.
Tirunelveli is famous for ________
Answer:
Halwa

Question 6.
Kovilpatti is famous for ________
Answer:
Kadalai Mittai

Question 7.
Salem is famous for ________
Answer:
Mango

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food

Let us Discuss (Text Book Page No. 45):

Observe the pictures. Who needs more nutritious food? Why?

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food 12

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food 13

Answer:
Manual laborers are some of the hardest working people out there and it’s very important that they keep their energy high for the day, not only to be able to complete the work, but also to keep their brains alert to avoid mistakes or accidents. So they need more nutritious food.

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food

Try to Answer (Text Book Page No. 45):

Do your parents prepare the same food items for all festivals? If not, write the name of special food items prepared at different festivals.

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food 14

Answer:

S. No Name of the festivals Food items prepared
1 Deepavali Murukku, Athirasam
2 Pongal Jaggery Pongal
3 Ramzan Biryani
4 Christmas Cake
5 Vinayaka Chaturthi Kozhukattai

Let us Do (Text Book Page No. 46):

A. Colour the circle in GREEN for traditional food and ‘RED’ for modern food.

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food 15

Answer:

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food 16

B. Using watercan / coconut shells, make a mini garden in your classrooms
Answer:
Activity to be done by students.

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food

3rd Standard Science Guide Food Additional Questions and Answers

I. Choose and write the correct answer:

Question 1.
_________ is included ¡n our ancestor’s food.
a) Pizza
b) Chips
c) Thinal
d) Burger
Answer:
c) Thinal

Question 2.
The number of main nutrients required by our body is ________
a) three
b) four
c) five
d) six
Answer:
c) five

Question 3.
_________ act as the body’s energy reservoir.
a) Proteins
b) Fats
c) Minerals
d) vitamins
Answer:
b) Fats

Question 4.
_________ is a complete balanced diet.
a) Milk
b) Carrot
c) Rice
d) Orange
Answer:
a) Milk

Question 5.
The amount of food a person needs depends on his _______.
a) wish
b) height
c) weight
d) age
Answer:
d) age

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food

II. Fill in the blanks.

Question 1.
World Food day is observed on _______.
Arts:
October – 16.

Question 2.
Cabbage contains Vitamin- ________.
Answer:
K.

Question 3.
In _______ areas, people eat a lot of seafood.
Answer:
coastal

Question 4.
We should spend _______ for washing our hands before eating.
Answer:
20 seconds.

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food

III. Match the following.

1. Kollimalai a. Halwa
2. The Nilgiris b. Murukku
3. Manapparai C. Spices
4. Tirunelveli d. Tea

Answer:

1. Kollimalai a. Spices
2. The Nilgiris b. Tea
3. Manapparai C. Murukku
4. Tirunelveli d. Halwa

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food

IV. Write True or False.

Question 1.
We should not spill the food while eating.
Answer:
True

Question 2.
Burgers, pizzas, and chocolates are good for health.
Answer:
False

Question 3.
Roughage, also known as fiber, is an indigestible food.
Answer:
True

Question 4.
Salem is famous for Jackfruit.
Answer:
False

Question 5.
Athletes may need less amount of energy during training.
Answer:
False

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food

V. Answer the following questions.

Question 1.
What is the significance of ‘Ragi’?
Answer:
Of all the cereals, ragi is the best bodybuilder and the disease fighter.

Question 2.
What are the food items that can be eaten by Children?
Answer:
Milk, honey, fruits, vegetables, whole grains, egg, sprouted seeds, and fish.

Question 3.
Write the names of the food items that can be eaten by Young Adults?
Answer:
All vegetables, fruits, seafood, greens, milk, and milk products.

Question 4.
Write the names of the food items that can be eaten by Old adults?
Answer:
Fibrous food, low-fat dairy products, food with less salt, ragi, thinai, and pearl millet (kambu).

Samacheer Kalvi 3rd Standard Science Guide Term 2 Chapter 1 Food

Question 5.
Write the different varieties of’Ragi’food.
Answer:
Ragi ball, Ragi dosa, Ragi adai, Ragi vermicelli and Ragi biscuits.

Question 6.
What is meant by ‘Home Garden’?
Answer:
Cultivation of crops in a small available place in households is known as a Home garden or Kitchen garden or Nutrition garden.

Question 7.
Differentiate South Indian Food and North Indian Food.
Answer:
South Indian Food:

  • South Indians depend on rice, dhal, coconut, jaggery for their food.
  • They make food like Idly, Sambar, Kozhukkattai and Payasam.

North Indian Food:

  • North Indians depend on wheat, onions, milk and curd.
  • They make foods like Chappathi, Paratha and Lassi.

Question 8.
Write a note on ‘Fats’.
Answer:

  1. Fats provide energy for us.
  2. They act as the body’s energy reservoir.
  3. Fats also help to keep the body warm during very cold weather.
  4. Too much fat in the body may lead to obesity or overweight.
  5. Cheese, butter, ghee, meat, oil, and nuts are some food items that contain fat.

Samacheer Kalvi 3rd Standard Science Guide