Health and Hygiene Questions and Answers Pdf - 3

Question: 11

Name some essential mineral salts?

Salts of potassium, Nitrogen, Phosphorous, Magnesium, Boron etc. are the essential mineral salts.

Question: 12

What is malnutrition?

Lack of essential nutrients in the diet is called malnutrition.

Question: 13

List the climatic factors of our environment?

Sunlight, rainfall, temperature, humidity are the climatic factors of the environment.

Question: 14

What is enamel?

The outer layer of the crown of our teeth is composed of calcified tissue known as enamel.

It is the hardest and shiny substance in our body.

Question: 15

Mention some sources of Vitamin A?

Carrots, butter, sweet potatoes, papaya and mango.