Q8 of 328 Page 300

State in brief the principle of immunisation.

Immunization, or immunisation, is the process by which an individual's immune system becomes fortified against an agent (known as the immunogen). ... The most important elements of the immune system that are improved by immunization are the T cells, B cells, and the antibodies B cells produce.


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7

Match the following columns with correct answer











Organism/Bacteria



Disease



(a) Leishmania


(b) Staphylococci


(c) Trypanosoma


(d)Ascaris lumbricoides



Worm


Kala-azar


Acne


Sleeping sickness


 7

“High Blood Pressure can be caused by excessive weight and lack of exercise”. Justify the statement.

 8

Name any two diseases that can be prevented by immunisation.

 9

Differentiate between acute and chronic diseases.