State the reason for the following statements:
(i) Antibiotics are ineffective against viral
infections.
(ii) AIDS is considered to be a 'Syndrome' and
not a disease.
(iii) A person suffering from diseases like
tuberculosis, flu should be advised to avoid
close public contact.
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Explanation:
3. Which one of the following disease is not transmitted by mosquito?
(a) Brain fever
(b) Malaria
(c) Typhoid
(d) Dengue
Soln:
Answer is (c) Typhoid
Explanation:
Typhoid is transmitted through contaminated food and water.
4. Which one of the following diseases is not caused by bacteria?
(a) Typhoid
(b) Anthrax
(c) Tuberculosis
(d) Malaria
Soln:
Answer is (d) Malaria
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