CBSE Class 3 EVS Food For Everyone Worksheet Set A

Tick (✓) the correct options and fill in the blanks.

Question. A disease that spreads through infected food and water .............................. .
a. typhoid
b. tetanus
c. plague
d. influenza
Answer. A

Question. Deficiency of vitamin B1 causes .............................. .
a. scurvy
b. beriberi
c. rickets
d. goitre
Answer. B

Question. Tuberculosis is caused by .............................. .
a. fungi
b. viruses
c. protozoa
d. Bacteria
Answer. D

Question. A disease that is spread by houseflies is .............................. .
a. dengue
b. measles
c. jaundice
d. AIDS
Answer. C

Question. A virus causes .............................. .
a. scurvy
b. plague
c. malaria
d. Polio 
Answer. D

Question. Match the following:
Answer.
A                          B
Goitre                 Iodine
Meningitis          Bacteria
AIDS                  Virus
Anaemia            Iron
Rickets              Vitamin D
Scurvy               Vitamin C
 

Fill in the blanks.

1. .... Nutrients................ are useful substances present in the food.
2. Wheat is rich in ......Carbohydrates....................... .
3. ..... Roughage........................ is also known as dietary fibre.
4. Vitamins and minerals are also known as..........protective...... foods.
5. .Saliva. present in the mouth is a digestive juice.
6. Digestion begins in the ......mouth.....................

Short answer questions

Question. Define vaccines and vaccination.
Answer. Vaccines are special substances that help our body to fight against disease
Vaccination: Vaccination means the process of giving vaccines.

Question. Why is exercise essential for our body?
Answer. Exercises help to make our muscles strong.
Exercising makes our heart beat faster, increasing our blood circulation.

Question. What happens in our body when we sleep?
Answer. When we sleep, our body repairs old cells and grows new ones

Question. Name the different types of microbes.
Answer. Bacteria, fungi, protozoa and viruses are the four types of microbes

Question. What do you mean by pasteurisation of milk?
Answer. Pasteurisation is a process in which milk is heated to a high temperature and then cooled down quickly.

Question. Name any three food items rich in proteins.
Answer. Meat, fish, pules

Question. Name the organs of the digestive system.
Answer. Mouth, food pipe, stomach, large intestine, small intestine, liver and anus

Question. Why is water essential for our body?
Answer. It help us to
a. digest the food
b. Through out body waste
c. maintain our body temperature

Question. Why should food be cooked?
Answer. Food should be cooked to
a. make it delicious b. kill germs c. make it digestible

Question. What is a balanced diet? Why should one eat a balanced diet?
Answer. A diet that contain all the nutrients in right amount it is called balanced diet.
One should eat balanced diet to stay fit and healthy.

Long answer questions

Question. List the different types of deficiency diseases with their symptoms and at least one preventive measure.
Answer.  

Question. How do communicable diseases spread through direct contact and through insects?
Answer. Direct contact diseases spread by sharing towels, combs, clothes, etc., which have been used by a person suffering from diseases.
Insects transfer the germs from sick person to healthy person by injecting the germs into the bloodstream of that person.

Question. How do communicable diseases spread through air, water and food?
Answer. When a person with diseases such as common cold etc. sneezes or spits, the germs of these diseases mix with the air When healthy people breathe in this air, they get infected. Insects carry germs from garbage and deposit them on uncovered food and water when they sit on them.

Question. What is a balanced diet? Mention different types of nutrients with examples of their sources.
Answer. A balanced diet contains all the nutrients, water and roughage in the right amount.
Protein                    eggs, fish
Carbohydrates       sugar, potatoes
Fats                        oil, butter
Vitamins                 fruits, vegetables
Minerals                 fruits, vegetables

Question. Categories food into different types based on the nutrients present in them. Explain any two with examples.
Answer. 
a. Protein:-Proteins help the body grow new cells and repair old cells.
Meat, eggs, fish
b.Carbohydrates give us energy. Rice, wheat, maize

Question. Explain the complete process of digestion of food in the human body.
Answer. Digestion of food starts from the mouth and is completed in the small intestine.The semi-solid undigested food, called faeces, is passed out of the body through the anus( rectum)

Question. Explain the precautions that need to be kept in mind while cooking food.
Answer. a. Do not overcook the food as it destroys the vitamins in them.
b. Do not throw the water which vegetables have been soaked for long time
c. Always peel or cut the fruit or vegetable after washing them.

Question. Write the tips for healthy digestion.
Answer. a. Do not over eat. b.Chew the food well before swallowing it.
c. Wash your hand before and after eating food.

Question. What is food preservation? Why does food need to be preserved?
Answer. Food preservation is the storage of food to prevent it from spoiling. Food preservation is a necessary to keep cooking items fresh for long time.

Higher Order Thinking

Question. Priya ate at a roadside stall. Later in the night, she woke up with a severe tummy ache. Should she have eaten food from a roadside stall? Why not?
Answer. No, She should not eat have eaten food from the roadside stall because dust and germs deposit on the uncovered food.

Question.Sameer does not like playing games at all. He sits watching TV or playing video games all the time. Is he doing the right thing? Give reasons.
Answer. No, he is not doing right because he would become fat and physically unfit.

Question. The digestive system is a very long tubular organ system. Why?
Answer. To digest food properly

Question. One must eat slowly and chew the food well for proper digestion. Give one reason to justify the statement.
Answer. If we eat food slowly, saliva can mix in it and it help to digest to food properly.

Q1: Give two examples of food items in each of the categories mentioned below:
1. Cereals
2. Pulses
3. Vegetables
4. Fruits…….
5. Spices
6. Beverages
7. Milk products
8. Food from animals
9. Unusual foods

Q2. Which part of the below mentioned food items do we eat:
1. Beet root:
2. Spinach:
3. Tomato:
4. Potato: