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50 questions · timed · auto-graded

Question 441 Mark
Name any two habits, which should be avoided to keep good health.
Answer
Drinking alcohol and smoking should be avoided to keep good health.
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Question 461 Mark
Name a sexually transmitted disease caused by bacteria.
Answer
Syphilis is the name of the disease that is caused by bacteria.
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Question 471 Mark
On which factor does severity of disease manifestations depend?
Answer
Number of pathogens (microorganisms). present in the body or organs makes the disease severe.
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Question 481 Mark
Name two diseases against which vaccines are available.
Answer
Polio and tuberculosis (T.B.) are the two disease against which vaccines are available.
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Question 491 Mark
Name the chemical released by damaged cells which causes inflammation.
Answer
Histamine is released by damaged cells which causes inflammation.
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Question 501 Mark
What is correct?
Regular use of OSR cures diarrhoea.
Answer
Yes. ORS prevents dehydration. Diarrhoea is generally cured automatically after 1 to 2 days because it is mostly viral infection.
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Do as directed; [1 M ] - Science STD 9 Questions - Vidyadip