6th Science Online Assessments and Notes

Unit #3 Balanced Diet (SNC)

Q. 1 ) Why do we need food?

Ans: We need food for all our body functions like to grow. We need food to keep our bodies healthy. We need food to perform all the activities even blinking of eyes and thinking about our plan.

Q. 2) Name major food groups.

Ans: There are five major groups of food.

  • Carbohydrates 
  • Proteins 
  • Vitamins 
  • Mineral  
  • Fats           

Q. 3) Name sources of vitamin A.

Ans: Carrots and cod liver oil.

Q. 4) Enlist the sources of vitamins C and D.

Vitamins C: Citrus fruits, oranges, guava, broccoli, and strawberry are sources of vitamin C

Vitamins D: Milk, Cod liver, and Soybean are sources of vitamin D.

Q. 5) List sources of minerals.

Ans: Milk, green vegetables, eggs, and fish are sources of calcium.

Liver, meat, eggs, dark green vegetables, apples, and pomegranates are sources of Iron

Q. 6) Is table salt a mineral?

Ans: Yes! Table salt is a mineral and a source of sodium.

Q. 7) What is a balanced diet?

Ans: A mixture of food having proper amounts of all the nutrients needed for a person suitable to his job, age, and conditions is called a balanced diet.

Q. 8) Describe the importance of a balanced diet.

Importance of a Balanced Diet

  1. A balanced diet is important for our overall health.
  2.  It provides us with the necessary nutrients, vitamins, and minerals that our body needs to grow and stay healthy.
  3. It helps us maintain a healthy weight and prevent diseases.
  4. A balanced diet includes a variety of food groups such as grains, fruits, vegetables, protein, and dairy products.

Q. 9) Describe the sources and functions of carbohydrates.

Ans: We get carbohydrates from honey, fruits, milk, wheat, rice, barley, potato, tomato, and other vegetables.

Q. 10) Describe the sources and functions of proteins.

Sources of proteins: Meat, eggs, fish, pulses, milk, chicken, nuts, beans, peas, and seeds are the sources of proteins.

Functions of proteins:

Proteins are the building blocks of the body. Proteins help in growth, repair, and reproduction.

Q. 11) State sources and functions of vitamins.

Sources of Vitamins and Functions of Vitamins

Vitamins SourcesFunctions
ACarrots, cod liver oilKeeps eyes healthy and protect from night blindness.
BBananas, fish, wheat, meat, vegetables, grainsProtect from beriberi and diseases of the nervous system.
CCitrus fruits, oranges, guava, broccoli, strawberryProtect from beriberi and diseases of the nervous system..
DMilk, cod liver, soybeanMakes our bones strong and healthy
EEggs, dry fruits, peasKeeps our muscles healthy
KMilk, leafy vegetables, fruitsEssential for blood clotting.

Q. 12) Explain the sources and functions of minerals.

CalciumMilk, green vegetables, eggs, fishi. Makes bones and teeth
ii. strong.Makes muscles
iii. Helps in blood clotting.
IronLiver, meat, eggs, dark green vegetables, apples, pomegranates.Makes hemoglobin in red blood cells that carry oxygen from the lungs to all body parts.

Q. 13) Describe the sources and functions of fats.

Ans: Animal sources of fats: Milk, butter, ghee, cheese, animal fat, fish oil

Plant sources of fats:

Olive oil, corn oil, coconut oil, mustard oil,

Functions of Fats:

  • Fats protect our bodies from the effects of temperature.
  • They cover body organs like the heart, brain, kidney, and liver.
  • Fats are the source of energy during the shortage of carbohydrates.

Q. 14) What is the food pyramid? Explain.

Ans: The food pyramid is a chart that helps us in choosing different food items for our daily diet. This chart shows food items placed on different shelves. The base shows what we should take to the maximum. The top of the chart shows what we should take the minimum amount from this part.

Q. 15) Why is it important to eat food from all food groups?

Ans: It is very important to eat food from all food groups. If we do not use a balanced diet, we may become sick. It affects our growth and the health of our bodies.

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