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.
| 151. |
The uniqueness of bacterial photosynthesis is because it can occerA. Without `CO_(2)`B. Without photosynthetic pigmentC. Without lightD. without evolution of oxygen. |
| Answer» Correct Answer - D | |
| 152. |
Monerans devoid of cell wall areA. BacteriaB. CyanobacteriaC. MycoplasmaD. Actinomycetes. |
| Answer» Correct Answer - C | |
| 153. |
Which is not a bacterial action?A. Nitrogen fixationB. Emulsification of fatC. Sewage disposalD. Ripening of cream. |
| Answer» Correct Answer - B | |
| 154. |
Bacterium associated with legume roots isA. RhizobiumB. NostocC. SpirogyraD. Clostridium. |
| Answer» Correct Answer - A | |
| 155. |
Among the following which one is recentiy discovered non - legume nitrogen fixing bacteriumA. Azotobacter paspaliB. RhizobiumC. NitrosomonasD. Spirillum. |
| Answer» Correct Answer - A | |
| 156. |
Which of the following is not true of Escherichia coil?A. Gene recombination can occur through transformation, transduction and conjugationB. It occurs in human intestineC. It lacks true nucleousD. It is diploid. |
| Answer» Correct Answer - D | |
| 157. |
Disease pneumonia is due toA. VirusB. BacteriumC. CyanobacteriumD. Protozoan. |
| Answer» Correct Answer - B | |
| 158. |
In which bacterial reproduction phage is requiredA. ConjugationB. TransformationC. Binary fissionD. Transsduction. |
| Answer» Correct Answer - D | |
| 159. |
Mycoplasmas are not sensitive toA. PenicillinB. StreptomycinC. ErythromycinD. Neomycin. |
| Answer» Correct Answer - A | |
| 160. |
Find out the correct matchA. AIDS-Bacillus anthracisB. Syphilis -Treponema pallidumC. Gonorrhoea-Leishmania donovaniiD. Urethritis - Entamoeba gingivalis. |
| Answer» Correct Answer - B | |
| 161. |
Which do not give out `O_(2)`A. Green algaeB. Blue Green algaeC. Green plantsD. Photosynthetic bacteria |
| Answer» Correct Answer - D | |
| 162. |
Surface appendages or hairy structures present in some bacteria for attaching to one another areA. PiliB. FlagellaC. CiliaD. Mesosome. |
| Answer» Correct Answer - A | |
| 163. |
Bacterial pili are involved inA. Asexual reproductionB. Sexual reproductionC. Saprophytic nutritionD. Antibiotic resistance |
| Answer» Correct Answer - B | |
| 164. |
An organism without true nucleus isA. BacteriumB. ArchaebacteriumC. CyanobacteriumD. All the above. |
| Answer» Correct Answer - D | |
| 165. |
Bacteria which directly convert atmospheric nitrogen into nitrogen compounds are calledA. Nitrogen fixing bacteriaB. Nitrifying bacteriaC. Putrefying bacteriaD. Denitrifying bacteria. |
| Answer» Correct Answer - A | |
| 166. |
An obligate anaerobe isA. UlothrixB. SpirogyraC. Methane bacteriaD. Onion. |
| Answer» Correct Answer - C | |
| 167. |
The gram negative bacteria detect and responsed to chemicals in their surroundings byA. Muramic acidB. LipopolysaccharideC. PorinsD. Volutin granules. |
| Answer» Correct Answer - B | |
| 168. |
Food material can be preserved atA. High temperatureB. Low temperatureC. Osmotic temperatureD. All the above. |
| Answer» Correct Answer - D | |
| 169. |
Agrobacterium tumefaciens causesA. WiltB. Damping offC. RustD. Crown gall. |
| Answer» Correct Answer - D | |
| 170. |
Bacteria can prepare food fromA. `NO_(3)`B. `N_(2)`C. `O_(2)`D. Glycogen. |
| Answer» Correct Answer - D | |
| 171. |
Chemoautotrophs derive their energy fromA. SunB. Inorganic chemicalsC. Dead organismsD. Living organisms |
| Answer» Correct Answer - B | |
| 172. |
Which is not true of bacterial cell wall ?A. Not antigenicB. Provides shape to bacteriumC. stainable with simple dyesD. Made of mucopeptide. |
| Answer» Correct Answer - A | |
| 173. |
Streptomycin is effentive against bacteriaA. Gram (+)B. Gram (-)C. Gram netralD. Both Gram (+) and Gram(-). |
| Answer» Correct Answer - D | |
| 174. |
Streptomycin is produced by or from which mircro-organism streptomycin is prepared.A. Streptomyces scoleusB. Streptomyces fradiaeC. Streptomyces venezuellaeD. Streptomyces griseus. |
| Answer» Correct Answer - D | |
| 175. |
Plasmids areA. VirusesB. New type of microorganismsC. Extra chromosomal genetic element of bacteriaD. Genetic element of bacteria |
| Answer» Correct Answer - C | |
| 176. |
Streptomycin is obtained fromA. Streptomyces griseusB. Streptomyces acoleusC. Streptomyces fradiaeD. Streptomyces venezuelae. |
| Answer» Correct Answer - A | |
| 177. |
It causes abortionA. VirusesB. BacteriaC. MycoplasmaD. Chlamydia. |
| Answer» Correct Answer - D | |
| 178. |
Nuclear material without nuclear membrane is observed inA. Mycoplasma and Green AlgaeB. Bacteria and Green AlgaeC. Bacteria and cyanobacteriaD. Cyanobacteria and Red Alae |
| Answer» Correct Answer - C | |
| 179. |
The Bt-gene for insect resistance was obtained from:A. Bacaillus thuringiesisB. Escherichia coliC. Agyrobacterium tumefaciensD. Rhizobium leguminosarum. |
| Answer» Correct Answer - A | |
| 180. |
A biodegradable plastic can be obtained fromA. Rhodococcus equiB. Pseudomonas speciesC. Ochrobacterum speciesD. All the above. |
| Answer» Correct Answer - D | |
| 181. |
Common mode of multiplication in cyanobacteria isA. HeterocystB. ExosporeC. HormogoneD. Trichome. |
| Answer» Correct Answer - C | |
| 182. |
Episomes areA. Extranuclear part of bacteriaB. Toxin producing bodies of bacteriaC. Plasmids with ability to intergrate with bacteria chromosomeD. Extranucler components with least number of genes. |
| Answer» Correct Answer - C | |
| 183. |
Which changes proteins into ammonia ?A. RhizobiumB. NitrobacterC. AzotobacteriaD. Bacillus mycoides. |
| Answer» Correct Answer - D | |
| 184. |
Largest population of organisms of any type on earth is ofA. Insects cannot cause infectionB. AlgaeC. BacteriaD. Fungi. |
| Answer» Correct Answer - C | |
| 185. |
Bacteria cell wall is composed ofA. LipidB. CelluloseC. ChitinD. Mucopeptide// Peptidoglycan. |
| Answer» Correct Answer - D | |
| 186. |
Procaryotic algae areA. PhycomyceaeB. MyxophyceaeC. CyanobacteriaD. Both B and C. |
| Answer» Correct Answer - D | |
| 187. |
Example of procaryotic call isA. Green algaeB. FungiC. BacteriaD. Bryophyte. |
| Answer» Correct Answer - C | |
| 188. |
Procaryotic genetic material isA. Linear DNA+ histonesB. Circular DNA +histonesC. Linear DNA without histonesD. Circular DNA without histones. |
| Answer» Correct Answer - D | |
| 189. |
Bacterial photosynthesis differs from photosynthesis of others inA. First productB. Numder of phasesC. Type of reductantD. All the above. |
| Answer» Correct Answer - C | |
| 190. |
Membrane bound organelles are absent inA. StreptococcusB. ChlamydomonasC. PlasmodiumD. Saccharomyces. |
| Answer» Correct Answer - A | |
| 191. |
The stored food in blue-green algae isA. StarchB. GlucoseC. CelluloseD. Related to glycogen. |
| Answer» Correct Answer - D | |
| 192. |
When milk is heated at `62^(@)`C for 30 minutes and then cooled, the process is calledA. SterilizationB. PasteurisationC. NitrificationD. Freezing. |
| Answer» Correct Answer - B | |
| 193. |
Tetanus disease is caused byA. BacteriumB. VirusC. FungusD. Mycoplasma. |
| Answer» Correct Answer - A | |
| 194. |
Shape of Staphylococcus bacteria isA. CircularB. OvalC. ElongatedD. Cubical. |
| Answer» Correct Answer - A | |
| 195. |
Bacteria lack alternation of generations because there isA. Neither syngamy nor reduction divisionB. Distinct chromosomes are absentC. No conjugationD. No exchange of genetic material. |
| Answer» Correct Answer - A | |
| 196. |
Archaebacteria found in salt pans and salt marshes areA. MethanogensB. TheromoacidophilesC. Ruminant symbiontsD. Halophiles. |
| Answer» Correct Answer - D | |
| 197. |
Pasteurization meansA. Vaccination for a baby against small poxB. Sterilization in steam cooker at `100^(@)`C for 10 mintuesC. Heating milk or other liquids to `60^(@)`C to `70^(@)`C for short durationD. A technique of curing people bitten by mad dogs. |
| Answer» Correct Answer - C | |
| 198. |
Studies of Griffith concluded the occurrence ofA. Transformation in bacteriaB. Conjugation in bacteriaC. Asexuality in bacteriaD. Transduction in bacteria. |
| Answer» Correct Answer - A | |
| 199. |
Escherichia coil is a bacterium which is common inhabitant ofA. Human intestineB. SoilC. MilkD. Water |
| Answer» Correct Answer - A | |
| 200. |
The chemotherapeutic substance derived from living organismas that has an inhibitory effect on parasitic organisms is known asA. ExotoxinB. BactericideC. AntibodyD. Antibiotic |
| Answer» Correct Answer - D | |