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Deficiency Diseases

Deficiency Caused by Symtoms of disease Food containing this nutrients

disease lack of Person not able to see in dim Leafy vegetables, carrot, papaya, milk,
light. fish, egg yolk, etc.
Night blindness Vitamin A

Beri-beri Vitamin B1 Person has weak muscles and Milk, peas, cereals, unpolished rice and
nerves, gets cramps and feels green vegetables, etc.
Scurvy Vitamin C tired very easily.
Rickets Vitamin D Tomato and citrus fruits like amla, lemon,
Goiter Bleeding of gums and swelling orange, etc.
Iodine of joints. Milk and milk products egg and fish.

Pigeon chest (tiny and Iodised salt, sea foods, etc.
undeveloped) and bow legs.

Gland in neck region swells

Anemia Iron Person gets tired very easily and Apples, dates, bananas, guava, spinach,

looks pale and unhealthy. meat, etc.

1. Bacteria: Bacterias are very small organisms having different shapes. Diseases
like typhoid, tuberculosis (T.B.), cholera and pneumonia are caused by bacterias.

2. Virus: Viruses are the smallest organisms. They cause diseases like common cold,
flu chicken pox, measles, polio and AIDS.

3. Protozoa: Protozoa are made of only one cell. They cause diseases like malaria,
amoebic dysentery , kala-azar and sleeping sickness.

Virus Bacteria Protozoa Fungi Insect

4. Fungi: Fungi mostly cause the infections of skin, eyes and hair.

Communicable diseases spread from one person to another through direct contact,
air, water and food.
1. Through direct contact : Diseases like chicken pox, small pox and ring worm are

spread through direct contact with clothes, or other articles used by the infected
person.

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