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. |
Nuclear material of bacterial cell is known asA. NucleusB. NucleolusC. PlasmidD. Nucleoid. |
| Answer» Correct Answer - D | |
| 52. |
Vibro cholerae is likeA. SpringB. CommaC. SphereD. Rod. |
| Answer» Correct Answer - B | |
| 53. |
Blue green areA. ActinomycetesB. EukaryotesC. ProkaryotesD. Acellular. |
| Answer» Correct Answer - C | |
| 54. |
Symbiotic nitrogen fixing bacteria belong toA. Erwinia amylovoraB. Rhizobium leguminosarumC. Xanthomonas campestrisD. Agrobacterium tumefaciens. |
| Answer» Correct Answer - B | |
| 55. |
Cyanobacteria that are udeful biofertilizers in fields ofA. WheatB. MaizeC. RiceD. Sugarcane. |
| Answer» Correct Answer - C | |
| 56. |
Bacteria are examples ofA. Protistan celllsB. Eukaryotic cellsC. Animals cellsD. Prokaryotic cells. |
| Answer» Correct Answer - D | |
| 57. |
Antibiotics areA. MedicinesB. ToxinsC. PlantsD. Syrups. |
| Answer» Correct Answer - A | |
| 58. |
Which is not correct about antibiotics?A. Fleming discovered the first commercial antibioticB. Waksman coined the term antibiotic in 1942C. Allergy may develop against an antibioticD. An antibiotic is effective against one specific pathogen. |
| Answer» Correct Answer - D | |
| 59. |
Antibiotics areA. PesticidesB. BactericidesC. HerbicidesD. Macrobiocides. |
| Answer» Correct Answer - B | |
| 60. |
Plasmids areA. Small extrachromosomal circular self replicating DNA that can carry genes into host organismB. BacteriophageC. DNA found in mitochondriaD. DNA incorporated in bacterial chromosome. |
| Answer» Correct Answer - A | |
| 61. |
Cyanobacteria areA. Autotrophic prokaryotes with characteristic blue green pigmentsB. Bacteria infecting the cyanophycean algaeC. Viruses infecting blue green algaeD. Cyanophycean members infecting bacteria. |
| Answer» Correct Answer - A | |
| 62. |
Maximum number of antibiotics got from any group isA. ActinomycetesB. FungiC. EubacteriaD. Viruses. |
| Answer» Correct Answer - C | |
| 63. |
Mycoplasma is not inhibited by penicillin bacause it does not haveA. Sexual reproductionB. Cell wallC. NucleusD. Ribosomes. |
| Answer» Correct Answer - B | |
| 64. |
Which one of the following statements about mycoplasma is wrongA. They are called PPLOB. They are pleomorphicC. They are sensitive topenicillinD. They cause diseaese in plants. |
| Answer» Correct Answer - C | |
| 65. |
The main function of elementary bodies in Mycoplasma//some primitive bacteria isA. ReproductionB. RespirationC. SecretionD. Food storage. |
| Answer» Correct Answer - A | |
| 66. |
Characteristic pigment of cyanobacteria isA. ChlorophyllB. FucoxanthinC. PhycocyaninD. Anthocyanin. |
| Answer» Correct Answer - C | |
| 67. |
In the bacterical photosynthesis, hydrogen donor isA. `H_(2)S`B. `H_(2)O`C. `NH_(3)`D. `H_(2)SO_(3)`. |
| Answer» Correct Answer - A | |
| 68. |
The genetic material of bacteria is known asA. GeneB. ChromosomeC. GenophoreD. Nucleohistone. |
| Answer» Correct Answer - C | |
| 69. |
Mycoplasma isA. Unicellular eukaryoteB. Unicellular prokaryoteC. Multicellular prokaryoteD. Multicellular eukaryote. |
| Answer» Correct Answer - B | |
| 70. |
Which is not a method of genetic recombi-nation in bacteria?A. TransformationB. TransductionC. TranslationD. Conjugation. |
| Answer» Correct Answer - C | |
| 71. |
Transfer of DNA fragments from a donor to receptor bacterial cell through the medium isA. TranslationB. TranscriptionC. TransductionD. Transformation. |
| Answer» Correct Answer - D | |
| 72. |
Type of genetic material found in bacteria isA. RNA bound to proteinB. DNA bound to proteinC. DNA not bound to proteinD. RNA not bound to protein. |
| Answer» Correct Answer - C | |
| 73. |
Organisms found in extreme temperatures areA. FungiB. CyanobacteriaC. EubacteriaD. Archaebacteria. |
| Answer» Correct Answer - D | |
| 74. |
Organism useful in degrading organic pollutants isA. PseudomonasB. NitrosomonasC. ChlamydiaD. Actinomycetes. |
| Answer» Correct Answer - A | |
| 75. |
Bacterial DNA isA. StraightB. HelicalC. Membrane boundD. Circular and free |
| Answer» Correct Answer - D | |
| 76. |
Two bacteria found to be very useful in genetic engineering experiment areA. Rhizobium and DiplococcusB. Escherichia and AgrobacteriumC. Nitrobacter and AzotobacterD. Nitrosomonas and Klebsiella. |
| Answer» Correct Answer - B | |
| 77. |
One of the useful activities of several bacteria isA. NitrificationB. Biogeochemical cyclesC. Nitrogen fixationD. Sulphurification. |
| Answer» Correct Answer - B | |
| 78. |
Bacteria useful in biogas fermentation areA. MethanogensB. HalophilesC. VibrioD. Thermoacidophiles |
| Answer» Correct Answer - A | |
| 79. |
Cholera is caused byA. Bacillus mycobacteriumB. Vibro choleraeC. Pseudomonas citriD. Streptococcus cholerae. |
| Answer» Correct Answer - B | |
| 80. |
Biogas is produced byA. EubacteriaB. ArchaebacteriaC. MycoplasmaD. Cyanobacteria. |
| Answer» Correct Answer - B | |
| 81. |
The preparation and flavouring of leaves of tea and tobacco is due to the activities ofA. Streptococcus lactisB. Bacillus megatheriumC. AcetobacterD. Bacillus radicicola. |
| Answer» Correct Answer - B | |
| 82. |
Gram(-) bacterium isA. Streptomyces coelicolorB. Escherichia coliC. Ampycolatopsis orientalisD. Bacillus subtilis. |
| Answer» Correct Answer - B | |
| 83. |
The bacterium that help in breakdown of cellulose in the rumen of cattle isA. ClostridiumB. LactobacillusC. MethanobacteriumD. Escherichia. |
| Answer» Correct Answer - C | |
| 84. |
Milk bacterium isA. AcetobacteriaB. DiplococcusC. LactobacillusD. Streptobacillus. |
| Answer» Correct Answer - C | |
| 85. |
A bacterial disease isA. TetanusB. PolioC. FilariaD. Malaria |
| Answer» Correct Answer - A | |
| 86. |
A bacterial disease isA. Amoebic dysenteryB. Beri-beriC. LeprosyD. Arthritis. |
| Answer» Correct Answer - C | |
| 87. |
Transduction in bacteria was discovered byA. Lederberg and TatumB. Zinder and LederbergC. Wallace and jacobD. Herelle and Twort. |
| Answer» Correct Answer - B | |
| 88. |
Spirulina is aA. FungusB. Blue green algaeC. PteridophyteD. Bryophyte. |
| Answer» Correct Answer - B | |
| 89. |
Cell wall of Gram (+) bacterium contains mucopolypeptideA. `60-70%`B. `70-80%`C. `80-90%`D. `90-100%` |
| Answer» Correct Answer - B | |
| 90. |
A bacterial disease isA. MeaslesB. TuberculosisC. RabiesD. Small pox. |
| Answer» Correct Answer - B | |
| 91. |
Teichoic acid is found inA. CyanobacteriaB. MycoplasmaC. Gram(+ve) bacteriaD. Gram(-ve) bacteria. |
| Answer» Correct Answer - C | |
| 92. |
Spirulina belongs to the kingdomA. MoneraB. ProtistaC. PlantaeD. Fungi. |
| Answer» Correct Answer - A | |
| 93. |
Antony Van Leeuwenhoek was first discovered bacteria. He belongs to which countryA. FranceB. HollandC. SwedenD. Britain. |
| Answer» Correct Answer - B | |
| 94. |
Syphilis causing Treponema pallliadum belongs to the groupA. RickettsiaeB. BacillusC. ActinomycetesD. Spirillum. |
| Answer» Correct Answer - D | |
| 95. |
A protein rich organism isA. Spirulina// NostocB. ChlamydomonasC. Ulothrix// SpirogyraD. Oedogonium. |
| Answer» Correct Answer - A | |
| 96. |
Chloromycetin is obtained fromA. Streptomyces rimosusB. Streptomyces venezuelaeC. Streptomyces griseusD. Streptomyces scoleus. |
| Answer» Correct Answer - B | |
| 97. |
Pasteurisation is carried out atA. `30^(@)`C for 20 minutesB. `40^(@)`C for 30 minutesC. `30^(@)`C for 60 minutesD. `62^(@)`C for 30 minutes. |
| Answer» Correct Answer - D | |
| 98. |
Which one belongs to monera?A. AmoebaB. EscherichiaC. GelidiumD. Spirogyra. |
| Answer» Correct Answer - B | |
| 99. |
Heterocysts present in Nostoc are specialsed forA. FragmentationB. Nitrogen fixationC. StorageD. Photosynthesis. |
| Answer» Correct Answer - B | |
| 100. |
Which of the following is essential for nitrogen fixation in legumesA. AnthocyaninB. PhycocyaninC. PhycoerythrinD. Leghaemoglobin. |
| Answer» Correct Answer - D | |