Users Also Read
Read rapid fire / short notes
MCQ's Search Engine
Actinomycetes & Non Sporing Anaero.
Algae
Antibody
Antigen Antibody Reaction
Antimicrobial Chemotherapeutic Agent
Bacillus
Bacteria
Bacteria Morphology
Bacteriophages
Brucella
Cell Cultivations
Cell Cultures and Characteristics
Clostridium
DNA Replication
DNA Sequencing, Mutation and Repair
Energy Release and Conservation
Enzyme Reaction
Enzymes Regulation
Fish and Sea Foods
Food Illness
Fruits and Vegetables
Fungi - Molds and Yeasts
Growth and Nutrition of Bacteria
Heated Canned Foods
Hepatitis Viruses
Identification of Bacteria
Immune Response
Immune System
Industrially Useful Microbial Processes
Micro Organisms
Microbes in Aquatic Environment
Microbial Genetics
Microbial Metabolism
Microbial Recomb. & Gene Transfer
Microbiology of Foods
Microbiology of Soils
Microbiology of Waste Water
Microorganisms and Disease
Milk and Milk Products
Miscellaneous Foods
Mycobacterium
Nucleic Acid Structure
Physical and Chemical Agents
Polymerase Chain Reaction
Poultry, Egg and Meat
Poxviridae and Picronaviridae
Protozon
Pseudomonas and Burkholderia
Retroviridae
Rhabdoviridae, Caliciviridae & Astrovi.
Sauerkraut and Pickles
Spirochacter and Enterobacteriaceac
Staplylococcus
Streptococcus
Transcription
Translation and Regulation
Vibrio, Aeromonas and Plesiomonas
Viruses
Viruses From Animal and Plants
Wine and Beer
Home⇒ Medical Science⇒ Microbiology⇒ Viruses in eukaryotes
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. |
Q41 ⇒ The lysogenic state is governed by the activity of the regulatory region of the lambda phage genomes; this region is termed as immunity operon [other wrong options] [Discuss in forum] immunity repressor operon repressor none of these |
Q42 ⇒ In the simplest capsid, there is a capsomere at each of the 12 vertices; this capsomere, which is surrounded by five other capsomeres, is termed a penton [other wrong options] [Discuss in forum] polyhedra icosahedral helical |
Q43 ⇒ The temperate phage possesses a gene that codes for a repressor protein which makes the cell resistant to lysis initiated by Both (a) and (b) [other wrong options] [Discuss in forum] the prophage lytic infection by other viruses none of these |
Q44 ⇒ The envelope of an enveloped virus is derived from the cell membrane [other wrong options] [Discuss in forum] the mitochondrion of the cell the endoplasmic reticulum of the cell none of these |
Q45 ⇒ Which of the following is an example of rod-shaped viruses having their capsomeres arranged helically and not in the stacked ring? Bateriophage M13 [other wrong options] [Discuss in forum] Bateriophage MV-L2 Bateriophage T2 Bateriophage T4 |
Q46 ⇒ Which of the following viruses can rescue adenovirus in simian cells? Simian virus 40 [other wrong options] [Discuss in forum] Rabies Vaccinia Cytomegalovirus |
Q47 ⇒ The first step in infection of a host bacterial cells by a phage is adsorption [other wrong options] [Discuss in forum] absorption penetration replication |
Q48 ⇒ The oncogene theory refers to how viruses transform normal cells into tumor cells [other wrong options] [Discuss in forum] how chemicals inactivate viruses when applied how viruses replicate in host cells none of these |
Q49 ⇒ Which of the following may affect proteins and nucleic acids, but not viruses? All of these [other wrong options] [Discuss in forum] Denaturation Enzyme treatment Pressure |
Q50 ⇒ Which of the following is continuous cell line? All of these [other wrong options] [Discuss in forum] HeLa HEp-2 KB |
Q51 ⇒ Lesions on chorioallantoic membrane are produced by all of these [other wrong options] [Discuss in forum] Herpes B virus Vaccinia virus Herpes simplex virus |
Q52 ⇒ Which of the following disinfectant is effective against viruses? All of these [other wrong options] [Discuss in forum] Hydrogen peroxide Hypochlorite Formaldehyde |
Q53 ⇒ Which of the following viruses are relatively thermostable? Hepatits A virus [other wrong options] [Discuss in forum] Human immunodeficiency virus Rubella virus Influenza virus |
Q54 ⇒ The viral nucleocapsid is the combination of genome and capsid [other wrong options] [Discuss in forum] capsid and spikes envelope and capsid capsomere and genome |
Q55 ⇒ Viruses can be purified based on their size and density by using gradient centrifugation [other wrong options] [Discuss in forum] differential centrifugation precipitation none of these |
Q56 ⇒ A change from lysogeny to lysis is generally induced by ultraviolet light [other wrong options] [Discuss in forum] chemicals irradiation all of these |
Q57 ⇒ Which of the following statements is not true of viruses? Viruses have been successfully grown in pure cultures in test tubes [other wrong options] [Discuss in forum] All viruses are obligatory intracellular parasites All viruses have either DNA or RNA as their genetic material Viruses probably arose from small fragments of cellular chromosomes |
Q58 ⇒ When a virus enters a cell but does not replicate immediately, the situation is called lysogeny [other wrong options] [Discuss in forum] fermentation symbiosis synergism |
Q59 ⇒ Which of the following virus is susceptible to chloroform? All of these [other wrong options] [Discuss in forum] Herpes Influenza Measles |
Q60 ⇒ Which of the following is semi-continuous (diploid) cell line? WI-38 [other wrong options] [Discuss in forum] HeLa HEp-2 KB |
Or |