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प्रश्न
Explain briefly the role of the following aids:
Vaccines
उत्तर
Vaccines: Vaccine is a preparation consisting of dead or weakend microbes which help to build immunity in the human body .When introduced in an individual, a vaccine stimulates the production of antibodies against the particular type of germs.
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संबंधित प्रश्न
State any two conditions essential for good health and two conditions essential for being free of disease?
Are the answers to the above questions necessarily the same or different? Why?
Fill in the blanks:
______ is an antibiotic, used to treat diseases like pneumonia and ______.
Mention if the following statement is true or false:
Penicillin is a disinfectant.
Mention if the following statement is true or false:
Chemicals applied to spots and places to kill harmful microorganism are called disinefectants.
Differentiate between the following:
Antigen and Antibody
Define the following:
Penicillin
Define the following:
Suphonamide drugs
Explain the Term: Vaccines
Mention, if the following statement is True or False. If false rewrite the statement in its correct form:
Roundworms (Ascaris) lives in the human intestine.
Helper T-cells:
