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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.
201. |
The bacterial genome is calledA. NucleusB. NucleolusC. NucleoidD. None. |
Answer» Correct Answer - C | |
202. |
Bacteria and yeast are sinilar in all the following features except thatA. Both are unicellularB. Both are prokaryotesC. Both are capable of causing fermentationD. Both produce spores. |
Answer» Correct Answer - B | |
203. |
A bacterial genome refers to the total number of genes located onA. Single chromosomesB. Haploid set of chromosomeC. Diploid set of ChromosomesD. Tetraploid set of chromosomes. |
Answer» Correct Answer - A | |
204. |
Root nodules are founds inA. Some leguminous plants onlyB. In all plantsC. Some leguminous plants and some other plants alsoD. All leguminous plants but never in other plants. |
Answer» Correct Answer - C | |
205. |
Chromoplasm refers toA. Cytoplasm rich in chloroplastsB. Cytoplasm having photosynthetic pigmentsC. Peripheral thylakoid rich part of cyanobacteriaD. Inner thylakoid rich part of cyanobacterial cell. |
Answer» Correct Answer - C | |
206. |
A red pigment present in the root nodules of leguminous plants is known asA. PhycoerythrinB. BacteriochlorophyllC. LeghaemoglobinD. Bacterioviridin. |
Answer» Correct Answer - C | |
207. |
Thermal bacteria survive inA. Hot water near `100^(@)`CB. Hot water near `85^(@)`CC. Hot sulphur spring near `70^(@)`CD. All the above. |
Answer» Correct Answer - C | |
208. |
Nitrifying bacteria convert theA. Nitrates into nitritesB. Nitrites into nitratesC. Ammonium salts into nitratesD. Ammonium salts into amino acids. |
Answer» Correct Answer - C | |
209. |
Plasmids are founds naturally inA. VirusesB. ChloroplastsC. ChromosomesD. Bacteria. |
Answer» Correct Answer - D | |
210. |
All bacteria have the following organelleA. MesosomeB. Golgi bodiesC. MitochondriaD. Chloroplast. |
Answer» Correct Answer - A | |
211. |
All bacteria have the following organelleA. Gogi bodiesB. MesosomesC. MitochondriaD. All the above. |
Answer» Correct Answer - B | |
212. |
Common-shaped bacteria areA. BacilliB. SpirillaC. VibrosD. Cocci |
Answer» Correct Answer - C | |
213. |
Antibiotics active against fungi areA. NeomycinB. TerramycinC. PolyenesD. Streptomycin. |
Answer» Correct Answer - C Polyenes are antifungal antibiotics produced by bacterium Streptomyces species which change fungal cell membrane by complexing with sterols. |
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214. |
Tetanus disease is caused byA. VirusB. BacteriumC. FungusD. Insect. |
Answer» Correct Answer - B | |
215. |
A plant disease which is not caused by a fungus isA. Red rot of SugarcaneB. lete blight of PotatoC. Black rot of crucifersD. Brown rust of wheat. |
Answer» Correct Answer - C Black rot of crucifers is caused by Xanthomonas compestris. |
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216. |
Which one does not evolve oxygenA. Photosynthetic bacteriaB. Blue Green algaeC. Green algaeD. Autotrophic plants. |
Answer» Correct Answer - A | |
217. |
Peritrichous bacteria have flagellaA. At one endB. At both endsC. All over the bodyD. Absent. |
Answer» Correct Answer - C | |
218. |
Peritrichous bacteria have flagellaA. All over the bodyB. At one endC. All over endsD. None. |
Answer» Correct Answer - A | |
219. |
Which one is a prokaryote ?A. EntamoebaB. SaccharomycesC. ParameciumD. E. coli |
Answer» Correct Answer - D | |
220. |
The bacteria which lacks flagella and moves by gliding are included inA. RickettsiaeB. EubacteriaC. SpirochaeteD. Myxobacteria. |
Answer» Correct Answer - D | |
221. |
Photoautotrophic bacteria haveA. ChloroplastsB. GranaC. VirusesD. Mycorrhiza. |
Answer» Correct Answer - C | |
222. |
Leguminous plants are important in agriculture becauseA. They are disease resistantB. They have high amounts of proteinsC. They require less nitrogen for growthD. Nitrogen fixing bacteria are symbiotically associated in them. |
Answer» Correct Answer - D | |
223. |
The Bacillus haemophilus causesA. InfluenzaB. PneumoniaC. A form of meningitis in young childrenD. Whooping cough. |
Answer» Correct Answer - A | |
224. |
Azotobacter and Bacillus polymyxa areA. DecomposersB. Non- symbiotic nitrogen fixerC. Symbiotic nitrogen fixerD. Pathogenic bacteria. |
Answer» Correct Answer - B | |
225. |
PPLO isA. VirusB. ViroidC. MycoplasmaD. Bacteria. |
Answer» Correct Answer - C | |
226. |
Phototrophs and chemotrophs are defined based on theirA. Energy sourceB. Requirement of organic and inorganic substancesC. MetabolismD. Structure. |
Answer» Correct Answer - A | |
227. |
Which is not correctly matchedA. Azotobacter- Nitrogen fixationB. Streptococcus thermophilus- YogurtC. Chlorobium - PhotosynthesisD. Streptomyces rimosus -Chloromycetin. |
Answer» Correct Answer - D | |
228. |
Cyanobacteria areA. Bacteria using cyanide for nutritionB. Coloured fungiC. Algae having blue-green cellsD. Viruses affecting bacterial growth. |
Answer» Correct Answer - C | |
229. |
Bacteria bearing flagella all over the body are calledA. PeritrichousB. AtrichousC. MonotrichousD. Cephalotrichous. |
Answer» Correct Answer - A | |
230. |
Pilli are employed by bacteria forA. LocomotionB. Sexual contactC. Asexual reproductionD. Location of prey. |
Answer» Correct Answer - B | |
231. |
Bacteria bearing flagella all over the body are calledA. AmphitrichousB. LophotrichousC. CephalotrichousD. Peritichous. |
Answer» Correct Answer - D | |
232. |
In bacteria the site for respiratory activity is found inA. PlasmidB. EpisomeC. MesosomeD. Nucleoid. |
Answer» Correct Answer - C | |
233. |
In bacteria the site for respiratory activity is found inA. Cell membraneB. CytoplasmC. MitochondriaD. Ribosomes. |
Answer» Correct Answer - A | |
234. |
In bacteria the site for respiratory activity is found inA. EpisomeB. MicrosomeC. RibosomeD. Cell membrane//Mesosome |
Answer» Correct Answer - D | |
235. |
Some bacteria have a capsule outside cell wall , It is made ofA. ProteinB. CelluloseC. FatD. Mucopolysaccharide. |
Answer» Correct Answer - D | |
236. |
Marsh gas is produced byA. MycoplasmaB. MyxobacteriaC. MethanogensD. Halophiles. |
Answer» Correct Answer - C | |
237. |
DNA is not associated with histones inA. ProkaryotesB. EukaryotesC. FungiD. Animals. |
Answer» Correct Answer - A | |
238. |
Genophore term was coined by Hans Ris forA. Genetic material of virusB. Genetic material of fungusC. Bacterial chromosomeD. Stalk supporting spores. |
Answer» Correct Answer - C | |
239. |
BGA are included amongstA. ProkaryotesB. FungiC. BryophytesD. Protista. |
Answer» Correct Answer - A | |
240. |
Which of the following is produced by genetically engineered bacteria:A. AdrenalineB. ThyroxineC. InsulinD. Testosterone. |
Answer» Correct Answer - C | |
241. |
Maximum nutritional diversity is found in the groupA. FungiB. MoneraC. PlantaeD. Animalia. |
Answer» Correct Answer - B | |
242. |
Cyanophyceae (Blue Green Algae) belong toA. PlantaeB. ProtistaC. MoneraD. Metaphyta. |
Answer» Correct Answer - C | |
243. |
Cyanophyceae or blue-green algea possessA. Definite nucleus but no plastidB. Definite plastid but no definite nucleusC. Definite nucleus and plastidD. Neither definite nucleus nor definite plastid. |
Answer» Correct Answer - D | |
244. |
The flagella of bacteria are composed ofA. CarbohydrateB. LipidC. ProteinD. Amide. |
Answer» Correct Answer - C | |
245. |
An example of chemoautotrophic bacteriaum isA. LactobacillusB. NitrosomonasC. Escherichia coliD. Rhizobium. |
Answer» Correct Answer - B | |
246. |
Bacteria which can also live in the abence of oxygen areA. Obligate aerobesB. Facultative aerobesC. Obligate anaerobesD. Facultative anaerobes. |
Answer» Correct Answer - D | |
247. |
The motile bacteria are also to move byA. FlagellaB. CiliaC. PiliD. Fimbriae. |
Answer» Correct Answer - A | |
248. |
The structure that help some bacteria to attach to rocks and host tissues areA. RhizoidsB. FimbriaeC. MesosomeD. Holdfast. |
Answer» Correct Answer - B | |
249. |
A number of organic compounds can be decomposed byA. PseudomonasB. MycoplasmaC. ChemolithotrophsD. Azotobacter. |
Answer» Correct Answer - A | |
250. |
The infectious and contagious bacterial disease that affects cattle, buffaloes, horses, sheeps and goats isA. AnthraxB. NecrosisC. Tick feverD. Rinderpest. |
Answer» Correct Answer - A | |