Q25 of 43 Page 13

Expand the following abbreviations:

(1) PPIP; (2) OPV; (3) NIDS.

(1)The full form of PPIP is Pulse polio immunisation programme;


(2) The full form of OPV is Oral polio vaccine;


(3) The full form of NIDS is National immunisation days, e.g. 4 NIDs for PPIP.

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23

What precautions can you take in your school to reduce the incidence of infectious diseases?

 24

What are the immunization programmes available at the nearest health centre in your locality? Which of these diseases are the major health problems in your area?

 26

Explain giving reasons.

(a) Balanced diet is necessary for maintaining healthy body.


(b) Health of an organism depends upon the surrounding environmental conditions.


(c) Our surrounding area should be free of stagnant water.


(d) Social harmony and good economic conditions are necessary for good health.

 27

Write short notes on the following diseases:-

(a) AIDS; (b) Malaria.