Last updated on February 9th, 2024 at 04:34 pm
CG Board Class 8 Science How much Food what type of food Textbook Exercises This page comprises Fill in the Blanks, Questions and Answers, as well as Additional Questions and Answers for the chapter.
Q: What will happen if a person does not get a balanced diet ?
A: If a person does not get a balanced diet, he may have many health problems. These may include weakness, diseases, poor growth and development. Malnutrition is a common consequence of not having a balanced diet.
Q: Which food items have vitamin A, B & C in them? And what are the diseases caused due to their deficiency?
A: Foods containing vitamins A, B, and C:
Vitamin A: Present in milk, egg yolk, liver, green vegetables, tomatoes, and carrots. Deficiency can lead to night blindness.
Vitamin B: A group of vitamins found in grains, mutton, milk, curd, butter, and eggs. Deficiency can cause anemia, deformed vertebral column, and beriberi.
Vitamin C: Found in gooseberries, oranges, lemons, and other fruits. Deficiency can lead to scurvy.
Q: Correct the wrong statements and write it in your own words?
a) Fibres are harmful for humans because it hinders the digestive process.
b) Costly food items are more nutritious than others.
c) Children, pregnant women and lactating mothers does not need balanced diet much.
d) Potatoes have much proteins in them.
e) Each food item has only one nutrient in them
f) A balanced diet must have only one nutrient in them.
g) Our body needs vitamins and minerals in large quantities and carbohydrates proteins and fat only in small quantities.
A: Correct Sentences :-
a) Fiber improves the digestion process for humans, which is beneficial for them.
b) The nutritional value of foods is not related to their cost. The total amount of nutrients varies in different foods.
c) Pregnant women, lactating mothers and children require a largely balanced diet.
d) Potatoes are not rich in protein; They are the main source of carbohydrates.
E) Every food item contains many nutrients.
f) Various nutrients are included in a balanced diet in appropriate amounts.
g) Our body requires more carbohydrates, proteins and fats, while vitamins and minerals are less required.
Q: Green vegetables, onions and chillies are preserved by drying. Make a list of other food items which are preserved by drying.
A: Other food items preserved by drying can include fruits like raisins, apricots, and figs, as well as herbs and spices.
Q: Make a list of food items which are preserved in salt in your and your neighbour’s houses.
A: Food items preserved in salt can include pickles, salted fish, and preserved meats.
Q: Which insecticide is used on grains and vegetables safeguard against insects in your area? In the same way what is added to the grain in your house to preserve it.
A: Commonly used chemicals include DDT or BHC for protecting crops from insects.
Q: It is observed that many people do not take balanced diet. What could be the possible reasons for it? What will you advice them to do ?
A: Limited access to a variety of foods, economic problems, and low knowledge about nutrition can all be reasons for not eating a balanced diet. To resolve this issue, people should be educated about the importance of a balanced diet and promote the availability of safe and nutritious foods.
Q: Clean, clear water is always safe for drinking. Write your comments.
A: Clean, clear water is generally safe to drink, but invisible pathogens and contaminants may still be in it. Purifying and disinfecting water is essential to ensure safe drinking water.
Q: What are the various methods adopted to make water potable?
A: Water can be made potable by chlorination, boiling, and using candle-type filters. Municipal water treatment facilities also treat water before it is supplied to homes. These methods free the water from impurities and microorganisms, therefore making it safe for consumption.
