Class 6 Science Chapter 1 MCQ

Carbohydrates found in our food are in the form of starch and sugars.

Fast food like potato chips, pizza, burger, etc. are very good in taste and they contain huge amount of Fat. And fried food like samosa and poori, malai, rabdi and peda also contains fat.

Spinach is a good source of the mineral “Iron”. Whereas, we got calcium and phosphorus from milk and milk products. The chemical name of salt is “sodium chloride”.

If some thought that fats contains food would be the best foods to eat, all the time. It can be very harmful for everybody because to eat too much of fat rich foods, we may end up suffering from condition called obesity.

Deficiency diseases can be prevented by taking “Balance diet” while taking a particular nutrient type of food can creates deficiency diseases. Variety of foods are the different sources of nutrients.

Presence of fat can be seen when we take a small quantity of a food item. Wrapped it, in a piece of paper and crush it. Oily patches show the presence of fat.

Vitamin-C, gets easily destroyed by heat during cooking. At the same time, cooking also results in the loss of certain nutrients.

A deficiency disease “goiter” which is caused due to the lack of iodine in our body. The symptoms are swollen glands in neck and mental disability found in adult as well as children.

A deficiency disease “rickets” which is caused due to the lack of “vitamin-D” in our body. In this case, bones become soft and bent, unable to stand and walk and body appears very thin.

Calcium and phosphorus are the minerals are needed in our body for building bones and teeth.

We know that water does not provide any nutrients but it has many important role in our body as (i) helps to maintain a constant body temperature, (ii) to get rid of waste products from the body, (iii) to absorb nutrients from the foods and (iv) to transport digested food to different body cells.

Proteins are needed for the growth and repair of our body. Carbohydrates and fats mainly provide energy to our body. Vitamins help in protecting our body against diseases and also help in keeping our eyes, bones, teeth and gums healthy.

There are some components which contain some ingredients (e.g. carbohydrates, proteins, fats, vitamins and minerals) that are needed by our body. These components are called nutrients. Roughage does not provide any nutrient to our body, it helps our body get rid of undigested food. Vitamin helps in protecting against diseases and minerals assist in proper functioning, normal growth and good health.

Vitamin D was discovered in 1920, culminating the long search for a way to cure rickets, a painful childhood bone disease. When our skin is exposed to sunlight, it makes vitamin D from cholesterol. The sun’s ultraviolet B (UVB) rays hit cholesterol in the skin cells, providing the energy for vitamin D3 synthesis to occur.

Vitamin C is not present in milk. It is present in citrus fruits such as oranges and green vegetables.

Dietary fibres are not present in milk while whole grains, whole pulses, fruits and vegetables are the sources of dietary fibre.

Fast food like potato chips, pizza, burger, etc. are very good in taste and they contain huge amount of Fat. And fried food like samosa and poori, malai, rabdi and peda also contains fat.

By taking excessive amount of fat contains food, may be a chance of obesity. Obesity is a medical condition in which excess body fat has accumulated to the extent that it may have an adverse effect on health. Such as, Cardiovascular diseases.

Copper sulphate solution and caustic soda solution are used to test the presence of protein while iodine solution is used for starch test. And presence of fat can be seen when we take a small quantity of a food item. Wrapped it, in a piece of paper and crush it. Oily patches show the presence of fat.

Carbohydrates and fats mainly provide energy to our body. Therefore, fats and carbohydrates are called Energy Giving Foods. Whereas, the vitamins help in protecting our body against diseases. Proteins are needed for the growth and repair of our body. Therefore, they are often called Body Building Foods.

The Vitamin-C rich fruit is great for our immunity, heart, skin and hair. Amla or the Indian gooseberry is a fruit which is popular for its many health benefits.

Dehydration is when someone loses more fluids than he or she takes in. Dehydration, symptoms are: dry mouth, lethargy, weakness in muscles, headache, dizziness. Drinking water, oral rehydration solution (ORS) or sports drinks to replace lost fluids may help prevent dehydration. Finding a place to cool down may also help.

“Vitamins” help in protecting against diseases and “Minerals” assist in proper functioning normal growth and good health. Therefore, they are referred as protective foods.

Fast food like potato chips, pizza, burger, etc. are very good in taste and they contain huge amount of Fat. And fried food like samosa and poori, malai, rabdi and peda also contains fat.

“Vitamins” help in protecting against many diseases. These are also necessary for good eyesight (vitamin-A), growth (Vitamin-B1), keeping teeth gums and joints healthy (Vitamin-C) and the normal growth of bones and teeth (Vitamin-D)