Revision

For developing strong bones and teeth, which two minerals will you take more in your diet?

• calcium and phosphorus

• iodine and fluorine

• iron and magnesium

Motion of which of the following is not periodic?

• revolution of moon around the sun

• movement of a pendulum 

• rotation of the earth around its axis

• beating of a drum

_______________ are present mainly in the form of sugars and starch in our food.

• fats

• vitamins

• carbohydrates

• roughage

Vitamin which is easily destroyed during cooking?

• Vitamin S

• Vitamin C

• vitamin D

• Vitamin B

Identify the type of motion.

 

Whose requirement of proteins per kilogram body weight is greater?

• a 10 year old child

• a 24 year old adult

Identify the disease.

• goitre

• rickets

• marasmus

• scurvy

Name the nutrients whose deficiency results in this disease.

• protein

• carbohydrates

• fats

• all of these

Explorers going to the North or South Poles must carry green vegetables and fruit juices with them so as to obtain which nutrient?

• Vitamin C

• vitamin k

• vitamin D

• minerals

The incidence of goitre among the people living in the Himalayas was quite high as the __________ content of water and soil is low in these areas.