4th Science Guide Term 2 Lesson 1 Food

TN 4th Science Book Back Answers Term 2 Lesson 1 Food – English Medium

4th Standard Science Guide Term 2 Lesson 1 Food Book Back Question and Answers Download PDf English Medium. 4th Science Term 1 English Medium Book in answers. 4th All Subject Book Back Answers. 

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4th Science Guide Term 2 – Lesson 1 Food Book Back Questions and Answers

I. Choose the heat answer :

Question 1.

Which one can be eaten as raw food?

(a) Meat

(b) Carrot

(c) Fish

(d) Potato

Answer:(b) Carrot

Question 2.

Uncooked food is called

(a) Junk food

(b) Hygienic food

(c) Raw food

(d) Cooked food

Answer:(c) Row food

Question 3.

Solar cooker reduces _____________.

(a) Air pollution

(b) Water pollution

(c) Air pollution

(d) Noise pollution

Answer:(c) Air pollution

Question 4.

Which one cannot be preserved by drying method?

1. a) Rice
2. b) Cereals
3. c) Fish
4. d) Fruits

Answer:(a) Rice

Question 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 :

Question 1.

__________ gives us energy to work and play. (Raw food / Junk food)Answer:Raw food

Question 2.

Cooked food is easily ___________. (digested / undigested)Answer:Digested

Question 3.

Pressure cooker is one of the ____________ utensils, (modern / olden)

Answer:Modern

Question 4.

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

Answer:Hygienic

III. Match the following :

Question 1.

Answer:

IV. Write Yes or No :

Question 1.

Biriyani is a raw food.Answer:No

Question 2.

Frying is a method of cooking.Answer:Yes

Question 3.

We can cook rice on a tawa.Answer:No

Question 4.

Cooking in a solar oven needs sunlight.Answer:Yes

Question 5.

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

V. Answer briefly :

1. Name any three cooking methods.

Answer:

1. Boiling
2. Steaming
3. Baking

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

Answer:

• Porridge of rice or cereals.
• Fruit juice, tender coconut.
• Steamed foods like idly.

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

Answer:

Raw foods : Mango,Apple, Banana, Carrot, Onion, etc.

Student has to draw any one item and colour it.

4. Write about any two preservation methods.

Answer:

• Pickling – Mixing fruits and vegetables with oil and salt. Example- Pickle
• Refrigerating – Keeping food in the refrigerators (fridge) to preserve them for a short time. Example-Fruits,Vegetables

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

Answer:

We should not waste food. Food that is not eaten is called leftover food. That is discarded as waste. Following are the simple ways to avoid food wastage.

1. Take what you’ll eat and eat what you take.
2. Share the excess food.
3. Give the excess food to hungry animals.

V. Answer in detail :

1. Explain some food preservation methods.

Answer:

• We can preserve the food for long time by using the following methods.
• Pickling – Mixing fruits and vegetables with oil and salt.
• Example: Pickle
• Refrigerating – Keeping food in the refrigerators (fridge) to preserve them for a short time.
• Example: Fruits,Vegetables
• Drying – Removing the water content of the food.
• Example: Fish, Red chillies
• Canning – Storing food in air tight containers.
• Example: Jam

2. Explain any four cooking methods.

Answer:

Some of the commonly used cooking methods are given below.

1. Boiling: It is a method of cooking food by immersing it in boiling water. So that the food becomes soft.
2. Example: Rice, Egg.
3. Steaming: It is a method of cooking food in steam by immersing the vessel in a container with boiling water.
4. Example: Idli, Idiyappam.
5. Pressure cooking: It is a method of cooking food in a pressure cooker. Example: Rice, Dhal.
6. Roasting: It is a method of cooking food by heating on a tawa or frying pan without covering it.
7. Example: Groundnuts, Cashew nut.
8. Frying: It is a method of cooking food in hot oil.
9. Example: Chips, Poori.

3. What are the hygenic ways of cooking food?

Answer:

• 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 because it destroys the nutrients present in the food.
• Don’t use the same oil for cooking food many times.
• Using the food items after their expiry date is not good for health.

Let us do (Text Book Page No. 57)

1. Classify the following food items.

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

Food items from Plants	Food items from animals
Carrot	Egg
Coconut oil	Milk
Radish	Meat
Potato	Curd
Brinjal	Fish
Lady’s finger	Butter
Drumstick	Buttermilk
Onion	Ghee
Cucumber	–

4th Science Guide Food In Text Questions and Answers

Think and Answer (Text Book Page No. 58)

1. Which food do you eat without cooking?

Answer:

• We eat fruits, some vegetables, tubers and nuts in the raw form. Some pulses ind cereals are also eaten as without cooking.

Try to Answer (Text Book Page No. 59)

1. Write any five raw and cooked food.

Answer:

(a) Raw food: Carrot ,Gooseberry ,Cucumber, Mango and Banana

(b) Cooked food: Rice , puttu , Idiyappam , Idli , and Dosal.

Think and Answer (Text Book Page No. 59)

1. 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?

Answer:

• No, All are not cooked in the same way.

Let us do (Text Book Page No. 61)

1. Tabulate the given food items according to the cooking methods.

Answer:

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

Try to Answer (Text Book Page No. 61)

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

Answer:

Boiling, Steaming.

2. Say True or False.

(a) You should wash your hands before cooking.

Answer:True

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

Answer:False

Let us do (Text Book Page No. 62)

1. Write the cooking utensils used for preparing given food items.

Answer:

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

Food Items	Name the cooking utensils
Rice	Rice cooker
Idiyappam, Puttu	Idli cooker
Vada	Tawa
Sambar	Pot
Dosa	Pan

Try to Answer (Text Book Page No. 62)

Write True or False.

Question 1.

Earlier people cooked their food in pressure cooker.

Answer:False

Question 2.

Solar cooker reduces the use of fuel.

Answer:True

Question 3.

Pressure cooker is not a cooking utensil.

Answer:False

Think and Answer (Text Book Page No. 63)

Question 1.

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

Answer:

Food items, in the right side picture, are good for health. The food items are neatly kept in a closed containers. The place is also free from mosquitoes, flies, etc.

Let us do (Text Book Page No. 64)

Tick (✓) the appropriate one.

Question 1.

Food	Hygienic food	Junk food
Fresh fruits
Burger
Nuts
Panipoori
Vegetable salad

Answer:

Food	Hygienic food	Junk food
Fresh fruits	✓
Burger		✓
Nuts	✓
Panipoori		✓
Vegetable salad	✓

Try to Answer (Text Book Page No. 64)

Question 1.

Junk food is good for health. _____________

Answer:No

Question 2.

You should wash your hands before and after eating. ______________Answer:Yes

Let us discuss (Text Book Page No. 64)

Question 1.

Here is Nandini’s lunch box.

Answer:

(a) Are all the items healthy?

No. Chips are not healthy.

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

Answer:

Remove the chips item. Add ground nuts.

Think and answer (Text Book Page No. 63)

Question 1.

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

Answer:

Idly, Porridge of rice, and fruit juices.

Try to Answer (Text Book Page No. 65)

Fill in the blanks.

Question 1.

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

Answer:Idly

Question 2.

We should avoid eating ___________ food, (junk/ fresh)

Answer:Junk

Think and Answer (Text Book Page No. 65)

 

Question 1.

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

Answer:

Yes, I usually eat my lunch without wasting anything.

Question 2.

Can you suggest few ways to reduce food waste in your schools and houses?

Answer:

1. We should not take excess quantity of food in our plate.
2. We should serve others smaller portions of food on smaller dishes.
3. While purchasing the food products, we have to take care about the quantity

Try to answer (Text Book Page No. 65)

Fill the blanks :

Question 1.

World Hunger Day is observed on ____________Answer:May 28

Question 2.

We can preserve pickle by ___________

Answer:pickling

4th Science Guide Food Text Book Back Questions and Answers

I. Choose the correct answer :

Question 1.

Healthy food

(a) Fruit

(b) chips

(c) chocolate

(d) ice cream

Answer:(a) Fruit

Question 2.

Unhealthy food

(a) Nuts

(b) Milk

(c) Burger

(d) vegetables

Answer:(c) Burger

Question 3.

Which one can be preserved by drying method?

(a) Pickles

(b) Vegetables

(c) Red chillies

(d) Jam

Answer:(c) Red chillies

II. Fill in the blanks :

Question 1.

Cooking in ________ improves the quality and taste of food. (Aluminium Utensil/ clay pot)

Answer:clay pot

Question 2.

____________ is one of the basic needs of life. (Clothes/ Food)

Answer:Food

III. Match the following :

Question 1.

Answer:

 

VI. Answer tn brief :

1. Write a note on cooking utensils.

Answer:

• Utensils are in different shapes and sizes. We use specific utensils for each cooking method. Clay pots were used earlier. Stainless steel and aluminum vessels are now generally used for cooking.

2. What is a Solar cooker?

Answer:

• It is an appliance which is used to cook food using sunlight. It saves fuel and reduces air pollution

3. What is Raw food?

Answer:

• Food that we eat directly without cooking is called raw food. We eat fruits, some vegetables, tubers and nuts in the raw form. Some pulses and cereals are also eaten as raw food.

4. How to make Salad?

Answer:

• Collect some raw food items available in our locality. Clean them with fresh water, cut them into small pieces (keep the nuts whole), put them in a bowl then add salt, spices and mix it well. Now, our tasty salad is ready.

5. Why should we cook food?

Answer:

• Cooked food is digested easily.
• Cooking softens the food materials.
• Cooking kills germs.
• Cooking adds taste and flavour to food.

VI. Answer in detail :

1. List out the benefits of clay pot cooking.

Answer:

• Easy to digest.
• Preserves the nutrients. m Needs less oil for cooking.
• Adds flavour to the dish.
• Keeps the food warm for a long time.
• Keeps the food from becoming stale soon.
• Alkaline property in the pot neutralizes the acidic property in the food.

2. What are the hygienic ways of taking food ?

Answer:

• Always cover food to protect them from dust and insects.
• Eat fresh food always.
• Avoid taking food that is too cold or too hot.
• Avoid fast food and fried food.
• Always wash your hands with soap before and after eating.