McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Agriculture (BSc agri) .
Chapters
| 251. |
Examples for actinomycetes |
| A. | Streptomyce |
| B. | Spirillospora |
| C. | Frankia |
| D. | Dermatophillia |
| Answer» D. Dermatophillia | |
| 252. |
Pellicle is found in only |
| A. | Algae |
| B. | Fungi |
| C. | Bacteria |
| D. | Protozoans |
| Answer» D. Protozoans | |
| 253. |
The Largest virus is |
| A. | Parvo viru |
| B. | Pox virus |
| C. | Rhabdo virus |
| D. | None of these |
| Answer» B. Pox virus | |
| 254. |
The smallest virus is |
| A. | Parvo viru |
| B. | Rhabdo virus |
| C. | Pox virus |
| D. | Adeno virus |
| Answer» B. Rhabdo virus | |
| 255. |
The extra cellular infections virus particle is called |
| A. | Capsid |
| B. | Nucleocapsid |
| C. | Virion |
| D. | None of these |
| Answer» C. Virion | |
| 256. |
Shape of bacteriophage is |
| A. | Brick shape |
| B. | Bullet shape |
| C. | Helical shape |
| D. | Tadpole shape |
| Answer» D. Tadpole shape | |
| 257. |
If only one stain is used for staining a specimen |
| A. | Simple staining |
| B. | Negative staining |
| C. | Differential staining |
| D. | None of these |
| Answer» A. Simple staining | |
| 258. |
Other than the sample (specimen) the remaining portion is stained then it is called |
| A. | Simple staining |
| B. | Negative staining |
| C. | Differential staining |
| D. | None of these |
| Answer» B. Negative staining | |
| 259. |
If more than one stain is used, such staining is called |
| A. | Simple staining |
| B. | Negative staining |
| C. | Differential staining |
| D. | None of these |
| Answer» C. Differential staining | |
| 260. |
‘Fluorescence’ was first observed by |
| A. | Kohler |
| B. | Coons |
| C. | Both a and b |
| D. | None of these |
| Answer» A. Kohler | |
| 261. |
By using fluorescence property fluorescent antibody technique was developed by |
| A. | Kohler |
| B. | Coons |
| C. | Both and b |
| D. | None of these |
| Answer» B. Coons | |
| 262. |
During staining for Electron Microscopy, the method which improves contrast of specimen is |
| A. | Positive staining |
| B. | Negative staining |
| C. | Shadow staining |
| D. | None of these |
| Answer» B. Negative staining | |
| 263. |
The inorganic forms of nitrogen, which are accepted by bacteria are |
| A. | Nitrate |
| B. | Nitrites |
| C. | Ammonium salts |
| D. | All of these |
| Answer» D. All of these | |
| 264. |
Archaeo bacteria are known as |
| A. | Halophiles |
| B. | Red extreme halophiles |
| C. | Osmophiles |
| D. | Extreme thermophiles |
| Answer» B. Red extreme halophiles | |
| 265. |
Nitrite is converted into nitrate by the bacteria |
| A. | Nitrosomona |
| B. | Nitrosocytes |
| C. | Nitrobacter |
| D. | Azatobacter |
| Answer» C. Nitrobacter | |
| 266. |
Sulphur oxidizing bacteria is |
| A. | Alcaligene |
| B. | Pseudomonas |
| C. | Thiobacillus |
| D. | None of these |
| Answer» C. Thiobacillus | |
| 267. |
Bacillus Schlegelli is |
| A. | Hydrogen – Oxydising bacteria |
| B. | Sulphur – Oxydising bacteria |
| C. | Iron-Oxidising bacteria |
| D. | Nitrite oxidizing bacteria |
| Answer» A. Hydrogen – Oxydising bacteria | |
| 268. |
The group of bacteria which deopends on organic sources in nature for their energy requirements. They are said to be |
| A. | Chemotroph |
| B. | Phototrophs |
| C. | Heterotrophes |
| D. | Organotrophs |
| Answer» C. Heterotrophes | |
| 269. |
Majority of bacteria are |
| A. | Saprophyte |
| B. | Symbionts |
| C. | Commensals |
| D. | Parasites |
| Answer» D. Parasites | |
| 270. |
Symbionts are |
| A. | Bacteria in symbiotic association |
| B. | The group of fungi in symbiotic association |
| C. | The groups participating in symbiotic association |
| D. | All of these |
| Answer» C. The groups participating in symbiotic association | |
| 271. |
The best example for symbiotic association is |
| A. | E.coli in intestine of man |
| B. | Lichens |
| C. | Normal floraof skin |
| D. | All of the above |
| Answer» B. Lichens | |
| 272. |
The enzymes responsible for decomposition is |
| A. | Lipolytic |
| B. | Proteolytic |
| C. | Lysozyme |
| D. | Both a and b |
| Answer» B. Proteolytic | |
| 273. |
Urea is decomposed by the species |
| A. | Micrococcus sps. |
| B. | Nitrosomonas sps. |
| C. | Proteus sps. |
| D. | Both a and c |
| Answer» D. Both a and c | |
| 274. |
Phycobiont is |
| A. | The algal part in Lichens |
| B. | The fungal part in Lichens |
| C. | Laustoria formation |
| D. | None of these |
| Answer» A. The algal part in Lichens | |
| 275. |
Parasitic form must contain |
| A. | Capsule |
| B. | Cell-wall |
| C. | Endospores |
| D. | Flagella |
| Answer» A. Capsule | |
| 276. |
The total no. of genes in the group of same individuals is |
| A. | Genome |
| B. | Gene map |
| C. | Gene pool |
| D. | None of these |
| Answer» C. Gene pool | |
| 277. |
Transformation was observed mainly in |
| A. | Bacteriophage |
| B. | Temperate phages |
| C. | λ –phage |
| D. | All of these |
| Answer» B. Temperate phages | |
| 278. |
Capsulated forms of bacteria are |
| A. | Virulent |
| B. | A virulent |
| C. | Useful |
| D. | Symbiotic |
| Answer» C. Useful | |
| 279. |
The bacterial cells participating in conjugation are |
| A. | Conjugant |
| B. | Fertile cells |
| C. | Exconjugants |
| D. | None of these |
| Answer» A. Conjugant | |
| 280. |
Phagocytes are |
| A. | Monocyte |
| B. | Macrophages |
| C. | Basophils |
| D. | All of these |
| Answer» D. All of these | |
| 281. |
The microorganism engulfed by phagocyte resides in a vacuole is known as |
| A. | Phagosome |
| B. | Lysosome |
| C. | both a and b |
| D. | None of these |
| Answer» A. Phagosome | |
| 282. |
Toxic products in phagolysosome are |
| A. | H2SO4 |
| B. | Singlet O2 |
| C. | Superoxide radicals |
| D. | All of these |
| Answer» D. All of these | |
| 283. |
During destruction of antigen particle in phagolysosome the product formed in phagolysosome the product formed during formulation is |
| A. | Acetic acid |
| B. | Lactic acid |
| C. | Citric acid |
| D. | None of these |
| Answer» B. Lactic acid | |
| 284. |
The coating of a bacterium with antibody or complement that leads to enhanced phagocytosis of the bacterium by phagocytes is called |
| A. | Opsonisation |
| B. | Aggulation |
| C. | CFT |
| D. | None of these |
| Answer» A. Opsonisation | |
| 285. |
Attenuation means |
| A. | Killing of the bacteria (microorganism) |
| B. | Inactivation of bacteria |
| C. | More activating the bacteria |
| D. | Both 1 and 2 |
| Answer» B. Inactivation of bacteria | |
| 286. |
Infection that results in pus formation are called |
| A. | Focal infection |
| B. | Acute infection |
| C. | Pyogenic infection |
| D. | Chronic infection |
| Answer» C. Pyogenic infection | |
| 287. |
Presence of viable bacteria in the blood stream is called |
| A. | Viraemia |
| B. | Septicaemia |
| C. | Bacteraemia |
| D. | Bactericidal |
| Answer» C. Bacteraemia | |
| 288. |
Presence of viruses in the blood stream is known as |
| A. | Viraemia |
| B. | Bacteraemia |
| C. | Septicaemia |
| D. | Pyemia |
| Answer» A. Viraemia | |
| 289. |
Opsonin is the |
| A. | Cellwall component |
| B. | Plasma component |
| C. | Serum component |
| D. | Cytoplasm component |
| Answer» C. Serum component | |
| 290. |
β-haemolytic bacteria is |
| A. | Streptococcus pyogenes |
| B. | Str. pneumoniae |
| C. | Str. viridans |
| D. | Str. faecalis |
| Answer» A. Streptococcus pyogenes | |
| 291. |
The natural reservoir of infection for cholera is |
| A. | Flie |
| B. | Horse |
| C. | Man |
| D. | None of these |
| Answer» C. Man | |
| 292. |
Main cause for Cholera is |
| A. | Poverty and insanitation |
| B. | Mosquitoes |
| C. | Toxin produced by pesticides |
| D. | None of these |
| Answer» A. Poverty and insanitation | |
| 293. |
Vibrio cholera differs from vibrio eltor by |
| A. | It shares some Inaba, Ogawa subtypes with eltor |
| B. | Resistant to polymuxin |
| C. | Eltor is non-motile |
| D. | Causes less subclinical infections as compared |
| Answer» D. Causes less subclinical infections as compared | |
| 294. |
Cholera vaccine gives protection for |
| A. | 1 – 3 month |
| B. | 3 – 6 months |
| C. | 6 – 9 months |
| D. | 9-12 months |
| Answer» B. 3 – 6 months | |
| 295. |
Prophylaxis of cholera is |
| A. | Protected water supply |
| B. | Environmental sanitation |
| C. | Immunisation with killed vaccines |
| D. | All of these |
| Answer» D. All of these | |
| 296. |
Sh.dysenteriae is also known as |
| A. | Sh.shiga |
| B. | Sh.schmitzi |
| C. | Both a and b |
| D. | Sh.para dysenteriae |
| Answer» C. Both a and b | |
| 297. |
Acid fast bacteria are |
| A. | Neisseria |
| B. | Staphylococci |
| C. | Mycobacteria |
| D. | All of the above |
| Answer» C. Mycobacteria | |
| 298. |
Mycobacteria are stained with |
| A. | Gram’s staining |
| B. | Simple staining |
| C. | Both a and b |
| D. | Ziehl – Neelsen’s staining |
| Answer» D. Ziehl – Neelsen’s staining | |
| 299. |
Niacin test is positive in case of |
| A. | Corynebacterium |
| B. | M. tuberculosis |
| C. | M. bovis |
| D. | M. avium |
| Answer» B. M. tuberculosis | |
| 300. |
Lepromin test |
| A. | Is negative in tubercular leprosy |
| B. | Positive in lepromatous type |
| C. | Indicated delayed hypersensitivity test |
| D. | Indicates infection |
| Answer» C. Indicated delayed hypersensitivity test | |
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