Components of Food

  

Chapter 2                Components of Food

Solved Textbook Questions

 

B Vitamin	Function	Best Sources
Vitamin Bl Thiamine	Circulation, blood formation, brain function	Organ meat, yeast, peas, pork, beans
Vitamin B2 Riboflavin	Blood cell formation, antibodies, cataract prevention	poultry, fish, nuts, kidney, liver, green vegetables
Vitamin B3 Niacin	Circulation, nervous system, healthy skin	Lean meats,	legumes and
		potatoes
Vitamin BS pantothenic Acid	Adrenal hormones, antibodies, neurotransmitters, stamina	Eggs, pork, beef, fish, milk, and most fruits/vegetables
Vitamin B6 Pyridoxine	Brain/immune system function, cancer immunity, mild diuretic	Chicken, fish, kidney, liver, eggs, bananas, lima beans, walnuts
Vitamin 67 Biotin	Cell growth, metabolism Of carbohydrates/fawproteins	eggs yolks, nuts, cauliflower, milk, legumes
Vitamin B8 Inositol	Hair growth, reduces cholesterol and plaque	Heart, fruit, milk, nuts, meat, vegetables
Vitamin 89 Folic Acid	"Brain food," energy, red blood cells, strengthens immunity	Beef, lamb, pork, chicken liver, eggs, green leafy vegetables, salmon
Vitamin B12 Cyanocobalamin	Prevent anemia/nerve damage, digestion, cellular longevity	Lamb, beef, herring, mackerel, liver, oysters, poultry, clams, eggs

 

 

Q1.Name the major nutrients in our food.

Ans: Major nutrients of the food are carbohydrates, proteins,fats,vitamins and minerals.

Food Components	Functions
Carbohydrates	These are digested and then broken down into glucose and provide enero to the body.
Proteins	It helps in metabolism, act		enzymes, and hormones.
Vitamins	These help in maintaining healthy bones, heal wounds, repair and damage of cells, boost the immune system and converting food into energy.
Fats	It Store energy, protects and insulates the important organs.
Calcium	It helps in the proper functioning of the bones.system and maintain healthy
Iodine	It is the Iodine   It is the        for the formation of thyroid hormone.
Phosphorus	It helps to maintain acid-base balance in the body.
Sodium	It controls the blood pressure.
Iron	It facilitates the formation of haemoglobin.
Water	They help in absorbing nutrients from the food and release waste from the body in the form Of urine and sweat.
Fibres	They help in the food absorption and constipation			,

 

 

Q2. Why should we include vitamins in our diet?

Ans: Because vitamins help in development and protects us from diseases.

Q3. What is the aim of Mid-Day Meal Programme?

Ans: Aim of the Mid-Day-Meal programme is to overcome the deficiency of nuitrients in children as the children don’t get balanced diet at home

4. Name the following:

a. The nutrients which mainly give energy to our body.

Ans: Carbohydrates

b. The nutrients that are needed for the growth and maintenance of our body.

Ans: Proteins.

c. A vitamin required for maintaining good eyesight.

Ans: Vitamin A.

d. A mineral that is required for keeping our bones healthy.

Ans: Calcium.

5. Name two foods each rich in:

A  Fats

b. Starch

c. Dietary fibre

d. Protein

Ans:

Nuitrients	Sources
Fats	Oil , nuts
Starch	Rice , maize
Dietary Fibre
Proteins	Milk , neat

 

 

 

 

6. Tick () the statements that are correct.

 

a. By eating rice alone, we can fulfill nutritional requirement of our body. (F)

b. Deficiency diseases can be prevented by eating a balanced diet. (T)

c. Balanced diet for the body should contain a variety of food items. (T)

d. Meat alone is sufficient to provide all nutrients to the body. (F)

2. Fill in the blanks.

A  Rickets is caused by deficiency of Vitamin D.

b. Deficiency of Vitamin B1 causes a disease known as beri-beri.

c. Deficiency of Vitamin C causes a disease known as Scurvy.

d. Night blindness is caused due to deficiency of Vitamin A in our food

e. Proteins of animal origin are milk and meat.

f. Roughage helps in proper functioning of the digestive system.

g. Deficiency of Iodine leads to goiter.