Home⇒ Medical Science⇒ Microbiology⇒ Viruses
| 1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
| 2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
| Q1 ⇒ Animal viruses with capsids displaying helical symmetry include all of these [other wrong options] [Discuss in forum] |
| Q2 ⇒ Viral matrix proteins are anchor the envelope of enveloped viruses [other wrong options] [Discuss in forum] |
| Q3 ⇒ Interanuclear inclusion bodies are found in cells infected with all of these [other wrong options] [Discuss in forum] |
| Q4 ⇒ The tissue structure deteriorates as the virus multiplies. This deterioration is called cytopathic effect [other wrong options] [Discuss in forum] |
| Q5 ⇒ Influenza virus undergoes antigenic shift resulting in major antigenic changes by which of the following mechanisms? Reassortment of RNA segments from different influenza viruses [other wrong options] [Discuss in forum] |
| Q6 ⇒ The transcription of the viral nucleic acid into mRNA is not necessary in case of RNA viruses [other wrong options] [Discuss in forum] |
| Q7 ⇒ What is the function of positive strand in double stranded RNA viruses? Synthesis of protein [other wrong options] [Discuss in forum] |
| Q8 ⇒ The uncontrolled proliferation of cells is termed as hyperplasia [other wrong options] [Discuss in forum] |
| Q9 ⇒ Which of the following reflects the correct order of events that take place during the multiplication of a virus? Attachment, penetration, biosynthesis, maturation, release [other wrong options] [Discuss in forum] |
| Q10 ⇒ Transfer of infection from cell to cell occurs mainly by direct transfer of virions via plasmodesmata [other wrong options] [Discuss in forum] |
| Q11 ⇒ Viropexis takes place in the phagocytic vacuoles and is due to the action of enzymes lysosomal protease [other wrong options] [Discuss in forum] |
| Q12 ⇒ Which type of interferon is produced by virus-infected cells? Both (a) and (b) [other wrong options] [Discuss in forum] |
| Q13 ⇒ What does the positive strand in double stranded RNA viruses stands for? mRNA [other wrong options] [Discuss in forum] |
| Q14 ⇒ The predominant lipid substance found in the viral envelope is phospholipids [other wrong options] [Discuss in forum] |
| Q15 ⇒ The RNA sarcoma viruses, the most strongly transforming viruses may transform which of the following cells in a culture? all of these [other wrong options] [Discuss in forum] |
| Q16 ⇒ Negative strand ssRNA viruses need to have a preformed replicase when they invade a mammalian cell because they have to make a positive strand copy that can be translated [other wrong options] [Discuss in forum] |
| Q17 ⇒ The microbes which are most likely to be completely dependent on a plant or animal host are viruses [other wrong options] [Discuss in forum] |
| Q18 ⇒ The two major components of viruses are nucleic acid and protein [other wrong options] [Discuss in forum] |
| Q19 ⇒ Which type of interferon is produced by T lymphocytes? γ [other wrong options] [Discuss in forum] |
| Q20 ⇒ The penetration of animal viruses into attached cells occur by mechanisms consisting of engulfment of whole virions by the cells in a phagocytic process called viropexis [other wrong options] [Discuss in forum] |
| Or |