Available Answers

1. 1.

   What are communicable diseases?

2. 2.

   What are non-communicable diseases?

3. 3.

   What types of microorganism are known as germs? Name three types of germs.

4. 4.

   Write True for the correct statements and False for the incorrect statements given below:

   1. All types of diseases are caused by bacteria.
   2. Some diseases are caused by evil spirits. 
   3. The germs of some diseases come out of  the body through sneezing and coughing.
   4. The germs of typhoid spread through contaminated food and water. 
   5. Mosquitoes spread the disease by contaminating our food.
   6. Vaccines are generally given before a disease has occurred. 
5. 5.

   Tick mark the correct answer;

   (i) Malaria is spread by

   1. mosquitoes 
   2. houseflies
   3. dog bite
   4. four air

   (ii). Which one of the following diseases spreads through contaminated food?

   1. whooping cough
   2. diarrhoea
   3. malaria
   4. fracture

   (iii). Mosquitoes can be controlled by 

   1. washing the hands before eating
   2. not defecating in the open
   3. not allowing stagnant water near the house
   4. using a sanitary latrine
6. 6.

   Suggest some ways to prevent the spread of diseases caused by contaminated food and water.