Page 303 - New Medley 5 Semester 1

3. Non-communicable diseases can be caused due to over-nutrition.

4. Living organisms that carry disease-causing agents are called germs.

5. We should not share a towel or a handkerchief with a patient of flu.

C. Fill in the blanks with the words given in the box.

communicable germs disease infectious vaccination non-communicable

1. is the condition of the body when a person is physically unwell.

2. Diseases can be grouped as and diseases.
3. Disease-causing microorganisms are called .

4. diseases spread through air, water and direct contact.

5. Introduction of dead or weakened microorganisms into the body to prevent diseases
is called .

D. Answer these questions.
1. How do communicable diseases spread?

2. What are deficiency diseases?

3. What is vaccination? How is it helpful?
4. What is obesity? What are its causes?

5. List some wrong food habits.

E. Subject Integration–Knowledge

A coolie lifts the heavy luggage of the passengers. After few days, he feels tired and
his bones become weak. Identify the nutrient(s) which lacks in his body. How can he

make his bones strong?

Think and Answer • Critical Thinking

1. Rickets patients are advised to sit in the sun. Why?

2. Why should we not share towels and vessels with a patient of flu?

3. We should change the water of desert cooler every three or four days. Why?

Let Us Do S E L Social Awareness • Life Skills/Communication

Ask your mother about the vaccination plan that was followed for you. Note it down
on a sheet of paper in the form of a table.

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