InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
The cryptogram of `T_(2)` coliphage isA. D/2, 130/30, X/X, B/OB. D/2, 3/7, S/S, V/OC. D/2, 137/40, S/S, B/OD. R/1,54/92, X/X, V/O |
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Answer» Correct Answer - A |
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| 52. |
Coliphage `T_(2)` hasA. ds DNAB. ss RNAC. ds RNAD. ss DNA |
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Answer» Correct Answer - A |
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| 53. |
Largest known virus isA. TMVB. `T_(1)` phageC. Citrus tristezaD. `phi xx 174` |
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Answer» Correct Answer - C |
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| 54. |
Virus differs from bacterium in havingA. Cell wallB. CytosolC. DNA as genetic materialD. DNA or RNA with no ribosomes. |
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Answer» Correct Answer - D |
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| 55. |
Which of the following is considered as neither prokaryotes nor eukaryotesA. BacteriaB. MoneraC. FungiD. Bacteriophages. |
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Answer» Correct Answer - D |
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| 56. |
Helical contractila sheach occurs inA. BacteriaB. BacteriophageC. RibovirusesD. Fungi |
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Answer» Correct Answer - B |
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| 57. |
Assertion (A) : Severe Acute Respiratory Syndrome (SARS) originated in China. Reason `(R)`: China is the most populated country of the world.A. Point out if both are true with reason being correct explanationB. both true but reason not correct explantionC. assertion true but reason wrongD. and both are wrong |
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Answer» Correct Answer - B |
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| 58. |
Which of the following is wrongly matchA. T.O. Diener-Viroids are found to be free DNAB. W.M. Stanley-Crystallised proteinsC. M.W. Beijerinck-Contagium vivum fluidimD. D.J. Ivanowski-Microbes smaller than bacteria cause mosaic disease of tobacco. |
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Answer» Correct Answer - A |
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| 59. |
In coliphage viruses the nucleic acid isA. RNA onlyB. DNA onlyC. DNA or RNAD. DNA and RNA |
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Answer» Correct Answer - B |
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| 60. |
Potato leaf-roll disease is caused byA. MycoplasmaB. VirusC. MicrosporesD. Bacterium |
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Answer» Correct Answer - B |
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| 61. |
Sometimes when a virus attacks a bacterium, neither the virus multiplies nor the bacterium dies. This pkhenomenon is called asA. LysogenyB. AdsorptionC. AssimliationD. Viral stability |
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Answer» Correct Answer - A |
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| 62. |
Bacterial viruses usually haveA. ss RNAB. ds RNAC. ss DNAD. ds DNA |
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Answer» Correct Answer - D |
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| 63. |
Which requires lysozyme for life cycle of virusesA. Eclipse phaseB. Penetration phaseC. Adsorption phaseD. Latent phase |
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Answer» Correct Answer - B |
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| 64. |
Virus having enzyme lysozyme isA. RetrovirusB. Influenza virusC. BacteriophageD. Vaccinia virus. |
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Answer» Correct Answer - C |
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| 65. |
Viruses possessA. DNA onlyB. Nucleic acid, DNA or RNAC. Protein onlyD. Nucleic acid and protein |
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Answer» Correct Answer - D |
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| 66. |
Plant viruses mostly haveA. DNAB. RNAC. Both DNA and RNAD. Coiled nucleolus. |
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Answer» Correct Answer - B |
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| 67. |
Genomic nucleic acid is fragmented inA. TMVB. Influenza virusC. HIVD. Poliomyelitis virus. |
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Answer» Correct Answer - B |
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| 68. |
Virus multiplies inA. Dead tessueB. SoilC. Living tissueD. Culture medium. |
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Answer» Correct Answer - C |
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| 69. |
Which institute is correct matched with its location ?A. National institute of communicable diseases-LucknowB. National Institute of Virology-PuneC. National Institute of Nutrition-MumbaiD. Central Drug Research Institute-Kasauli. |
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Answer» Correct Answer - B |
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| 70. |
Reverse transcriptase occurs in virusA. HIVB. Influenza virusC. Vaccinia virusD. All tha above |
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Answer» Correct Answer - A |
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| 71. |
Viruses areA. Obligate parasitesB. Obligate saprophytesC. Partial parasitesD. Facultative parasites. |
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Answer» Correct Answer - A |
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| 72. |
A virus with as DNA isA. `phi xx 174`B. Coliphage fdC. Coliphage MS2D. All the above |
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Answer» Correct Answer - C |
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| 73. |
Polio Virus hasA. ss DNAB. ds DNAC. ss RNAD. ds RNA |
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Answer» Correct Answer - C |
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| 74. |
Which one does not occur in lytic life cyele of a virulent DNA phage?A. The host cell lysesB. New phages are releasedC. Host cell produces a number of virionsD. Phage DNA integrates with host DNA |
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Answer» Correct Answer - D |
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| 75. |
Which of the following is a DNA containing plant virusA. TMVB. Cauliflower Mosaic VirusC. Potato Mosaic VirusD. Both B and C. |
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Answer» Correct Answer - B |
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| 76. |
Naked DNA virus isA. Polio VirusB. AdenovirusC. ReovirusD. Ribovirus. |
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Answer» Correct Answer - B |
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| 77. |
A virus containing ssRNA act as a template for DNA synthesis is called asA. Polio VirusB. RetrovirusC. Adeno VirusD. Pox virus |
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Answer» Correct Answer - B |
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| 78. |
Spongiform encephalopathy is caused byA. PrionB. E. coliC. VirusD. Fungus. |
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Answer» Correct Answer - A |
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| 79. |
Genetic material of reovirus isA. ss DNAB. ds DNAC. ms RNAD. ds RNA |
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Answer» Correct Answer - D |
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| 80. |
Genetic material of reovirus isA. DNAB. RNAC. DNA and RNAD. Nucleoprotein complexes. |
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Answer» Correct Answer - B |
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| 81. |
Genetic material of Rabies virus isA. Double strandes RNAB. Single stranded RNAC. Double strandes DNAD. Single stranded DNA |
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Answer» Correct Answer - B |
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| 82. |
AIDS virus contains or Human immuno deficiency (HIV) virus has protein coat and genetic material which isA. RNA with proteinB. DNA onlyC. DNA with proteinD. DNA without protein |
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Answer» Correct Answer - A |
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| 83. |
Single stranded DNA occurs as a genetic material in virusA. `T_(2)`B. `T_(4)`C. `phixx174`D. Lambda. |
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Answer» Correct Answer - C |
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| 84. |
Single stranded DNA as genetic material in `phixx174` was discovered byA. DelbruckB. Safferman and MorrisC. Reed and FinleyD. Sanger |
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Answer» Correct Answer - D |
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| 85. |
Circular single stranded DNA occurs in bacteriphageA. `T_(2),T_(4)`B. `phixx 174,M13`C. `T_(3),phi 6`D. `delta,T_(5)` |
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Answer» Correct Answer - B |
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| 86. |
Which of the following is false?A. Most plant viruses are RNA virusesB. Most animal viruses are DNA virusesC. TMV has a doubled stranded RNAD. `T_(4)` bacteriophage has doule stranded DNA molecule. |
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Answer» Correct Answer - C |
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| 87. |
Identify the correct pair having double stranded RNAA. Cauliflower mosaic virus and Dahlia mosaic virusB. Poliovirus and Wound tumour virusC. Tobacco mosaic virus and ReovirusD. Wound tumour virus and Reovirus. |
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Answer» Correct Answer - D |
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| 88. |
Which virus possesses two RNA genomes ?A. TMVB. Potato Mosaic virusC. HIVD. Rotavirus |
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Answer» Correct Answer - D |
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| 89. |
Prophage is viral genomeA. Freshly synthesisedB. Inoculated to a bacteriumC. Outside the host cellD. Incorporated and integrated to host genome |
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Answer» Correct Answer - D |
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| 90. |
Viral genome incorporated and integrates with bacterial genomes is refer to asA. DNAB. ProphageC. RNAD. Both B and C. |
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Answer» Correct Answer - B |
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| 91. |
Viral capsid is made ofA. CarbohydratesB. LipidC. ProteinD. All the above |
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Answer» Correct Answer - C |
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| 92. |
Caulimo (Cauliflower Mosaic) viruses haveA. Double stranded DNAB. Single stranded DNAC. Single stranded RNAD. Double stranded RNA |
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Answer» Correct Answer - A |
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| 93. |
The capsid of tobacco mosaiv virus (TMV) has capsomeres numberingA. 3120B. 2130C. 1230D. 231 |
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Answer» Correct Answer - B |
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| 94. |
Retrovirus emplove ….. To make complementary DNA from RNAA. DNA polymeraseB. Restriction endoncleaseC. Reverse transcriptaseD. Reverse polymerase. |
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Answer» Correct Answer - C |
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