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Human Health and Disease

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Biology

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Biology

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12

Which one of the following cannot be used for the preparation of vaccines against plague?

  • Formalin - inactivated suspensions of virulent bacteria

  • Avirulent live bacteria

  • Synthetic capsular polysaccharide material

  • Heat-killed suspensions of virulent bacteria


C.

Synthetic capsular polysaccharide material

Synthetic capsular polysaccharide vaccines are available for the treatment of pneumonia and meningitis. Vaccines against plague are prepared from the suspensions of attenuated or heat-killed virulent bacteria or avirulent live bacteria.

Synthetic capsular polysaccharide vaccines are available for the treatment of pneumonia and meningitis. Vaccines against plague are prepared from the suspensions of attenuated or heat-killed virulent bacteria or avirulent live bacteria.

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Name three important aspects to maintain good health.

(i) Balanced diet (ii) Personal hygiene and (iii) Regular exercise.
741 Views

What is the significance of ‘Typhoid Mary’ ?

Typhoid Mary was a Typhoid carrier who continued to spread typhoid for several years through food she prepared.
616 Views

What is disease ?

Malfunctioning of one or more organs characterised by signs and symptoms is called disease.
563 Views

What is health ?

It is a state of complete, physical, mental and social well being of a person.
911 Views

List advantages of good health.

Healthy people are more efficient and productive. good health also brings prosperity and people live long. It also reduces infant and maternal mortality.
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