Test: Food and its Components - Class 8 MCQ

 Food is essential for all living organisms as it provides energy necessary for survival, growth, and body functions.

Ingredients are the components used to prepare a dish. For example, rice is an ingredient in boiled rice.

Proteins are essential for growth, repair of body tissues, and overall body development, making them body-building foods.

Carrot is an example of an edible root, while cabbage is a leaf, ginger is an underground stem, and apple is a fruit.

Eggs are obtained from birds like hens and ducks, making them an animal food product.

A poultry farm is used for rearing birds like hens and ducks for their eggs and meat.

Tigers are carnivorous wild animals and do not provide milk for human consumption, unlike cows, goats, and sheep.

Honey bees collect nectar from flowers and convert it into honey, storing it in their hives.

Omnivores, such as humans and bears, consume both plant-based and animal-based food.

Iron is essential for the formation of haemoglobin, a component of blood that carries oxygen.

Vitamins and minerals are protective foods as they help prevent diseases and maintain body functions.

Fats provide 9 kcal per gram, whereas carbohydrates and proteins provide only 4 kcal per gram.

Milk is considered a complete food as it contains all essential nutrients like proteins, fats, carbohydrates, vitamins, and minerals.

Iodine deficiency affects the thyroid gland and causes goitre.

A balanced diet ensures proper intake of all essential nutrients necessary for growth and health.

The three types of food based on function are energy-giving, body-building, and protective foods, whereas junk food does not belong to this category.

Hair color does not influence calorie needs, while age, weight, and activity level do.

Cereals like rice and bread themselves are not high in calories; the toppings like butter and sugar increase their calorie content.

Food additives include preservatives, colorings, and flavorings, whereas vitamins are essential nutrients, not additives.

Malnutrition occurs when the diet lacks essential nutrients or is imbalanced, leading to poor health and disease susceptibility.