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What is specific defence mechanism?

Important Questions on Human Physiology-1

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Biology>Physiology>Human Physiology-1>Defence against Infectious Disease
Source of penicillin antibiotic is
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Biology>Physiology>Human Physiology-1>Defence against Infectious Disease
Antibiotics, the miraculous medicines of 20th century helped a lot to bring many diseases under control. But the use of antibiotics without consulting doctor is not advisable"
Why antibiotics considered as miraculous medicines?
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Biology>Physiology>Human Physiology-1>Defence against Infectious Disease

The functions of the cells in specific defense are illustrated below. Identify (i), (ii), (iii) and (iv)

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Biology>Physiology>Human Physiology-1>Defence against Infectious Disease
Though antibiotics are effective medicines, their regular use develops immunity in pathogens against antibiotics.
Write any two other side effects of the regular use of antibiotics.
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Biology>Physiology>Human Physiology-1>Defence against Infectious Disease
Antibiotics, the miraculous medicines of 20th century helped a lot to bring many diseases under control. But the use of antibiotics without consulting doctor is not advisable"
Write two side effects of antibiotics.
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Biology>Physiology>Human Physiology-1>Defence against Infectious Disease
"Mucus and Cilia in the respiratory tract provide first level defense."
Write an example for second level defense?
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Biology>Physiology>Human Physiology-1>Defence against Infectious Disease
Why a person who had earlier chickenpox disease has lesser chances of chickenpox again?
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Biology>Physiology>Human Physiology-1>Defence against Infectious Disease
Becoming exposed to or infected with an infectious microbe does not necessarily mean developing a noticeable disease. Explain.
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Biology>Physiology>Human Physiology-1>Defence against Infectious Disease
What are antibiotics? How do they work against bacterial pathogens? Why they are not effective against viruses? 
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Biology>Physiology>Human Physiology-1>Defence against Infectious Disease
The immune system
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Biology>Physiology>Human Physiology-1>Defence against Infectious Disease
What are the immunisation programmes available at the nearest health centre in your locality? Which of these diseases are the major health problems in your area?
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Biology>Physiology>Human Physiology-1>Defence against Infectious Disease
Explain how does the body react after the entry of microbe in the body.
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Biology>Physiology>Human Physiology-1>Defence against Infectious Disease
Why antibiotics do not work against viral infections?
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Biology>Physiology>Human Physiology-1>Defence against Infectious Disease
Antibiotics commonly block biochemical pathways important for the growth of _____. (Organs/ Bacteria)
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Biology>Physiology>Human Physiology-1>Defence against Infectious Disease
Making anti-viral drugs is more difficult than making anti-bacterial medicines because
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Biology>Physiology>Human Physiology-1>Defence against Infectious Disease
Making anti-viral drugs is more difficult than making anti-bacterial medicines because
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Biology>Physiology>Human Physiology-1>Defence against Infectious Disease
You are aware of Polio Eradication Programme in your city. Children are vaccinated because
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Biology>Physiology>Human Physiology-1>Defence against Infectious Disease
Why are antibiotics not effective for viral diseases?
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Biology>Physiology>Human Physiology-1>Defence against Infectious Disease
Explain how does vaccine work?
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Biology>Physiology>Human Physiology-1>Defence against Infectious Disease
It is difficult to make antiviral drugs because