Consider the following statements regarding bird flu:
I. Viruses causing bird flu belong to Influenza virus A strain
II. The most pathogenic strain of this virus causing bird flu is H1N1
III. Culling and vaccinating livestock is a short term strategy to prevent flu pandemic.
IV. A human vaccine is available to control the spread of disease in human populations.

Of the above statements, the correct are:

1. I and III only
2. II and IV only
3. I, III and IV only
4. I, II, III and IV

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Aside from the irritant fibre of ..................., all carcinogens are thought to be ....................... .
1. arsenic, mutagenic
2. asbestos, virulent
3. asbestos, mutagenic
4. arsenic, virulent

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In the RT-PCR test used for diagnosing Covid-19, a higher cycle threshold [Ct] value indicates:
1. a higher viral load in the sample
2. a lower viral load in the sample
3. time after which vaccine needs to be given
4. the effectiveness of the antiviral medicines

Subtopic:  Introduction |
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Which one of the following depresses brain activity and produces feelings of calmness, relaxation and drowsiness?
1. Valium
2. Morphine
3. Hashish
4. Amphetamines

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Which of the following diseases is caused by a protozoan ?
1. Influenza
2. Babesiosis
3. Blastomycosis
4. Syphilis

Subtopic:  Introduction |
 53%
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The type of plague, primarily transmitted by the bite of rat flea, and characterized by infected, enlarged, and painful lymph nodes is called as:
1. Pneumonic plague
2. Bubonic plague
3. Septicemic plague
4. Any of the above three

Subtopic:  Introduction |
 62%
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If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidences?
1. Serum albumins
2. Haemocytes
3. Serum globulins
4. Fibrinogin in plasma

Subtopic:  Introduction |
 74%
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