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Chapter: 4th Science : Term 2 Unit 1 : Food

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4th Science : Term 2 Unit 1 : Food : Text Book Back Exercises Questions with Answers, Solution, Evaluation; Choose the correct answer, Fill in the blanks, Say True or False, Match the following, Short Answers, Answer briefly, Answer in detail, Questions based on higher order thinking, Student Activities, Student Project

Food ( Term 2 Chapter 1 | 4th Science)



I. Choose the best answer.


1. Which one can be eaten as raw food?

a) Meat

b) Carrot

c) Fish

d) Potato

Answer: b) Carrot


2. Uncooked food is called

a) junk food

b) hygienic food

c) raw food

d) cooked food

Answer: c) raw food


3. Solar cooker reduces .

a) air pollution

b) water pollution

c) land pollution

d) noise pollution

Answer: a) air pollution 


4. Which one cannot be preserved by drying method?

a) Rice

b) Cereals

c) Fish

d) Fruits

Answer: d) Fruits


5. We can avoid food wastage by

a) giving to the needy

b) eating more than we need

c) buying extra food

d) throwing in a dust bin

Answer: a) giving to the needy


II. Fill in the blanks.

1. Raw food gives us energy to work and play. (Raw food / Junk food)

2. Cooked food is easily digested. (digested / undigested)

3. Pressure cooker is one of the modern utensils. (modern / olden)

4. We need pure air, protected water and hygienic food for our healthy life. (junk / hygienic)

5. We make Idiyappam by steaming method. (boiling / steaming)


III. Match the following.

1. Grapes - Modern utensil

2. Mixture of vegetables - Food during illness

3. Electric rice cooker - Olden utensil

4. Earthen pot - Raw food

5. Less fatty food – Salad


1. Grapes - Raw food

2. Mixture of vegetables - Salad

3. Electric rice cooker – Modern utensil

4. Earthen pot - Olden utensil

5. Less fatty food - Food during illness


IV. Write Yes or No.

1. Biriyani is a raw food. No

2. Frying is a method of cooking. Yes

3. We can cook rice on a tawa. No

4. Cooking in a solar oven needs sunlight. Yes

5. Consuming too much oily food is bad for our health. Yes


V. Answer briefly.

1. Name any three cooking methods.

i) Boiling, ii) Steaming, iii) Roasting.

2. Write any two food items you should eat when you are sick?

i) Porridge of rice, ii) Idly

3. Draw one of your favourite raw food and colour it.

4. Write about any two preservation methods.

 Pickling - Mixing fruits and vegetables with oil and salt (eg) pickle.

 Drying - Removing the water content of the food, (eg) Fish.

5. How can you reduce wastage of food in your home?

Prepare needed food

 Don't fill the plate with too much of food.

 Take a limited quantity of food.

 If you need more, you can take it again.

 Share the excess food

 Give the excess food to hungry animals.


VI. Answer in detail.

1. Explain any four food preservation methods.

 Pickling - Mixing fruits and vegetables with oil and salt, (eg) Pickle

 Refrigerating - Keeping food in the refrigerators (fridge) to preserve them for a short time, "(eg) Fruits, Vegetables.

 Drying - Removing the water content of the food, (eg) Fish, Red chillies.

 Canning - Storing food in air tight containers. (eg) Jam

2. Explain any four cooking methods.

 Boiling - It is a method of cooking food by immersing it in boiling water so that the food becomes soft, (eg) Rice, Egg.

 Steaming - It is a method of cooking food in steam by immersing the vessel in a container with boiling water, (eg) Idli, Idiyappam.

 Pressure cooking - It is a method of cooking food in a pressure cooker, (eg) Rice, Dhal.

 Frying - It is a method of cooking food in hot oil. (eg) Chips, Poori.

3. What are the hygenic ways of cooking food?

 Cooking Habits

• Wash your hands with soap before cooking.

• Wash vegetables and fruits before cutting.

• Wash cooking vessels and knives.

• Don't cook food for a long time.

• Don't use the same oil for cooking food many times.

• Don't use the food items after their expiry date.


VII. Project.

Make a cardboard plate. Make your favourite fruits and vegetables from clay and fix them on the plate.

Let us do

Classify the following food items.

(Carrot, Egg, Coconut oil, Milk, Radish, Meat, Potato, Curd, Brinjal, Lady‛s finger, Fish, Drumstick, Butter, Onion, Buttermilk, Cucumber, Ghee)

Food items from plants : Food items from animals

Food items from plants : Carrot, Coconut oil, Radish, Potato, Brinjal, Lady's finger, Drumstick, Onion, Cucumber

Food items from animals : Egg, Milk, Meat, Curd, Fish, Butter, Buttermilk, Ghee

Think and answer

Which food do you eat without cooking?

Answer: Fruits, Vegetables, Tubers, Nuts.

Let us Do

Arrange some fruits, vegetables, nuts and tubers on the table and ask each student to pick one food item. Based on what food item they choose, divide them into four groups.

Try to Answer

Write any five raw and cooked food.

a. Raw food: fruits, nuts, honey, sprouts and vegetable salad.

b. Cooked food: fish, idly, chicken, pizza, poori and biriyani.

Think and answer

Children, look at the menu card given here. Do you see food items on this menu? Do you think all these items are cooked the same way?

Let us do

Tabulate the given food items according to the cooking methods.

(Rice, Poori, Murukku, Pop-corn, Idli, Milk, Fish, Puttu, Dhal, Idiyappam, Groundnut)

Boiling: Rice, Milk, Dhal ; Steaming: Idli, Puttu, Idiyappam ; Roasting: Pop-corn ; Frying: Poori, Murukku, Fish

Try to Answer

1. Write any two cooking methods that your mother follows:

Boiling, Steaming.

2. Say True or False.

a. You should wash your hands before cooking. (True)

b. Vegetables and fruits should be washed after cutting. (False)

Let us do

Write the cooking utensils used for preparing given food items.

(Pan, Pot, Rice cooker, Tawa, Idli cooker)

1. Rice : Pot, Rice cooker

2. Idiyappam, Puttu : Idli cooker

3. Vada : Pan

4. Sambar : Pot

5. Dosa : Tawa

Try to Answer

Write True or False.

1. Earlier people cooked their food in pressure cooker. (False)

2. Solar cooker reduces the use of fuel. (True)

3. Pressure cooker is not a cooking utensil. (False)

Think and answer

Look at the pictures given below. Which one is good for health? Why?

Answer: The second picture is good for health, because the food items are covered to protect them from dust and insects.

Let us do

Tick () the appropriate one.

Try to Answer

Write Yes or No.

1. Junk food is good for health. No

2. You should wash your hands before and after eating. Yes

Let us discuss

Here is Nandini‘s lunch box.

a. Are all the items healthy?

Answer: No. Not all the items are healthy.

b. Suggest her to remove one food which is not healthy and add one food which is healthy. Give reasons for change.

Answer: Chips is not healthy. We add vegetable salad.

Reason: Chips is a junk food. Vegetable salad is good for health because it contains all nutrients.

Think and answer

When you are sick, what kind of food your mother serves you?

Answer: My mother serves, porridge of rice, fruit juice, idly, because they are energy giving, easily digestible food.

Try to Answer

Fill in the blanks.

1. Idly is an easily digested food. (Idly / Biriyani)

2. We should avoid eating junk food. (junk/ fresh)

Think and answer

 Do you usually eat your lunch without wasting anything? If you say no, why do you waste?

No, sometimes I waste my lunch. Because at times, I am not hungry and the food is not tasty.

 Can you suggest few ways to reduce food waste in your school and house?

 Don't fill the plate with too much of food.

 Take a limited quantity of food only.

 If you need more, you can take it again.

 Bring enough food.

 Share the excess food with others.

Try to Answer

Fill in the blanks.

1. World Hunger Day is observed on May – 28.

2. We can preserve pickle by Pickling.

Let us do

Make students to list out all the food wasted in their home (thrown away) for one week. Make them discuss what they saw and what changes they can make to reduce waste.

Tags : Food | Term 2 Chapter 1 | 4th Science , 4th Science : Term 2 Unit 1 : Food
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