91.
Name the pathogen that causes amoebiasis in human. Give the symptoms and modes of transmission.
(i) Entamoeba histolytica is the pathogen that causes amoebiasis. The disease is characterized by (i) blood in mucous and stool (ii) abdominal cramps and pain and (iii) constipation. The disease is spread by houseflies which transmit the parasite from faeces of infected people to the food. The water may be contaminated due to the presence of faecal matter.
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Short Answer Type
92.
Answer the following questions: (i) How and at what stage does Plasmodium enter into a human body? (ii) Why does the victim show symptoms of high fever?
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Long Answer Type
93.
Name the type of immunity that is present at the time of birth in humans. Explain any two ways by which it is accomplished.
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94.
Why is using tobacco in any form injurious to the health ? Explain.
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95.
Sketch life cycle of Plasmodium in Humans.
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96.
Discuss measures which would be useful for prevention and control of alcohol and drug abuse among adolescent.
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Short Answer Type
97.
What is autoimmunity ? Name one auto-immune disease.
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Multiple Choice Questions
98.
Perspiration, saliva and tears contain an enzyme, lysozyme kills :
Virus infected cells
Protozoa
Bacteria
Viruses
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99.
Cells that engulf microbes are genrally called :
Long Answer Type
Short Answer Type
Multiple Choice Questions
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