A cellular Life | NTS Sindh Mdcat Past Paper MCQs | mosaicbro.com

A cellular Life | NTS Sindh Mdcat Past Paper MCQs

7 of 19 questions (Page 2 of 3)

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8 A bacteriophage consists solely of: (dmc 2011)
Correct Answer: A
Explanation: Bacteriophages typically contain DNA (some have RNA) and a protein capsid.
9 All of the following are symptoms of hepatitis, except: (dmc 2007)
Correct Answer: A
Explanation: Immunodeficiency is not a typical symptom of hepatitis (though HBV/HIV co-infection may occur).
10 The TMV first appeared on the leaves of tobacco plant and was characterized by: (dmc 2007)
Correct Answer: D
Explanation: Tobacco Mosaic Virus (TMV) was first identified by its transmissibility between plants.
11 All Viruses: (lumhs 2007, NTS 2017, liyari 2013)
Correct Answer: D
Explanation: All viruses are obligate intracellular parasites requiring host machinery for replication.
12 Which of the following is not the viral disease? (jsmu 2018)
Correct Answer: B
Explanation: Malaria is caused by Plasmodium protozoa, not a virus.
13 Which one of the following is not a mode of transmission of AIDS? (lumhs 2019)
Correct Answer: D
Explanation: HIV is not transmitted through casual contact like holding hands.
14 All of the following diseases are caused by viruses except: (lumhs 2010)
Correct Answer: D
Explanation: Diphtheria is caused by Corynebacterium diphtheriae bacteria.
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