Worksheet on Components of Food and preservation of food - Class 4 Notes

Solved Questions on Components of Food

1. Which of the following foods would be the best choice for providing quick energy before a sports activity?

a)
b)
c)
d)

Answer: c) Pasta is a carbohydrate-rich food that provides quick energy due to its high carbohydrate content, making it an excellent choice before a sports activity.

2. Amy is experiencing bleeding gums. Which of the following food options should she consume more of?

a) Foods rich in carbohydrates
b) Foods rich in iron
c) Foods rich in proteins
d) Foods rich in vitamin C

Answer: d) Vitamin C is essential for gum health and can help reduce bleeding gums.

3. Jack wants to improve his concentration and memory for studying. Which type of food should he include in his diet?

a) Sugary snacks
b) Fresh fruits and vegetables
c) Fried foods
d) Food rich in fats

Answer: b) Fresh fruits and vegetables are rich in nutrients and vitamins that support brain health, providing an ideal choice for improving concentration and memory for studying.

4. Fill in the blank:

_______ is a type of nutrient that cannot be digested by our body but helps with easy bowel movement.

a) Carbohydrates
b) Dietary fibre
c) Fats
d) Proteins

Answer: b) Roughage or dietary fibre is a type of nutrient that cannot be digested by our body. However, it plays a crucial role in promoting easy bowel movements and preventing constipation.

5. Match the following.

a) 1:C, 2:A, 3:B
b) 1:B, 2:A, 3:C
c) 1:C, 2:B, 3:A
d) 1:A, 2:C, 3:B

Answer: a) Calcium: Essential for strong bones and teeth.
Iron: Helps in the production of blood.
Iodine: Supports the growth and development of the body.

FAQs

1. What is Carbohyrdates?

Carbohydrates are one of the basic elements that our bodies need to function properly. They are a type of macronutrient like protein and fat. Carbohydrates are present in a variety of foods and play an important role in supplying energy for our everyday activities.

2. What are examples of carbohydrate rich foods?

Here are some examples of carbohydrate-rich foods:

1. Fruits: Apples, bananas, oranges, berries, and grapes are examples of fruits that are rich in carbohydrates.

2. Vegetables: Foods like carrots, broccoli, peas, and sweet potatoes are packed with carbohydrates.

3. Grains: Whole grains like brown rice, oats, and whole wheat bread are excellent sources of complex carbohydrates.

2. What are examples of roughage fruits and vegetables?

Here are some examples of roughage fruits and vegetables:

Fruits:

1. Apples
2. Berries
3. Pears
4. Oranges
5. Bananas

Vegetables:

1. Broccoli
2. Carrots
3. Spinach
4. Sweet Potatoes
5. Cauliflower

3. What are Nutrients?

Nutrients are essential molecules found in food that every living organism requires to generate energy, facilitate growth, development, and support reproduction. After digestion, nutrients undergo a breakdown process into basic components that can be utilized by the organism.

4. Why is water regarded such an important part of our diet?

Water is essential for hydration, digestion, and nutrition transfer in the human body. It is essential in maintaining overall health.

5. What are common methods of food preservation?

Refrigeration, freezing, canning, drying, and pickling are all common processes. Each method helps to the reduction in the development of bacteria that cause food spoiling.