McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Agriculture (BSc agri) .
Chapters
| 151. |
In Tuberculosis therapy mainly used antibiotic is |
| A. | Penicillin |
| B. | Streptomycin |
| C. | Chloramphenol |
| D. | Cycloserine |
| Answer» D. Cycloserine | |
| 152. |
The antibacterial action of penicillin is due to its effect on |
| A. | Cell membrane permeability |
| B. | Cell wall synthesis |
| C. | DNA synthesis |
| D. | Protein synthesis |
| Answer» B. Cell wall synthesis | |
| 153. |
The antibiotic produced from Bacillus subtilis is |
| A. | Vancomycin |
| B. | Bactiracin |
| C. | Both a and b |
| D. | None of these |
| Answer» B. Bactiracin | |
| 154. |
bacitracin sensitivity test is done for |
| A. | Pneunocci |
| B. | Group ‘A’ Streptococci |
| C. | Gonococci |
| D. | Staphylococci |
| Answer» B. Group ‘A’ Streptococci | |
| 155. |
The effect of antibiotics on micro organisms is mainly due to |
| A. | Inhibition of cell-wall synthesis |
| B. | Damage to the cytoplasmic membrane |
| C. | Inhibition of nucleic acid and protein synthesis |
| D. | All of the above |
| Answer» D. All of the above | |
| 156. |
The antibiotic acting on cell wall is |
| A. | Penicillin |
| B. | Bacitracin |
| C. | Cyclosporin |
| D. | All of the above |
| Answer» D. All of the above | |
| 157. |
Erythromycin belongs to chemical class of antibiotics |
| A. | â-lactose |
| B. | Tetracyclines |
| C. | Macrolides |
| D. | Aminoglycosides |
| Answer» C. Macrolides | |
| 158. |
Bacterial resistance to antibiotics is transmitted by |
| A. | Transduction |
| B. | Transformation |
| C. | Mutation |
| D. | Plasmids |
| Answer» D. Plasmids | |
| 159. |
Erythromycin inhibits protein synthesis by |
| A. | Attaching to 30 S ribosome unit |
| B. | Attaching to 50 S unit or ribosome |
| C. | By the attachment to t-RNA |
| D. | By the attachment to m-RNA |
| Answer» B. Attaching to 50 S unit or ribosome | |
| 160. |
The function of (THFA) Tetrahydrofolic acid coenzyme include |
| A. | Amino acid synthesis |
| B. | Thymidine synthesis |
| C. | Protein synthesis |
| D. | Both a and b |
| Answer» D. Both a and b | |
| 161. |
Resistant to drugs in tuberculosis develops by |
| A. | Transduction |
| B. | Transformation |
| C. | Conjugation |
| D. | Mutation |
| Answer» D. Mutation | |
| 162. |
Which of the following is penicillinase resistang acid labile penicillin? |
| A. | Amoxycillin |
| B. | Cloxacillin |
| C. | Carbenicillin |
| D. | Methicillin |
| Answer» D. Methicillin | |
| 163. |
Which of the following does not inhibit cell wall synthesis? |
| A. | Penicillin |
| B. | Carbenicillin |
| C. | Amikacin |
| D. | Vancomycin |
| Answer» C. Amikacin | |
| 164. |
The anti tumor antibiotics act by inhibiting |
| A. | Cell wall synthesis |
| B. | RNA synthesis |
| C. | Cell membrane synthesis |
| D. | The DNA structure & function |
| Answer» D. The DNA structure & function | |
| 165. |
Drug resistance to sulphonamides is due to |
| A. | Production of PABA |
| B. | Folic acid synthetase |
| C. | Drug alteration |
| D. | Low affinity for drug synthesis by bacteria |
| Answer» B. Folic acid synthetase | |
| 166. |
Amoxycillin is combined with clavulanic acid to inhibit |
| A. | DNA gyrace |
| B. | Cell synthesis |
| C. | Protein synthesis |
| D. | β-lactamase enzymes |
| Answer» D. β-lactamase enzymes | |
| 167. |
Drug of choice for methicillin resistant staph. Aureus is |
| A. | Ampicillin |
| B. | Erythromycin |
| C. | Neomycin |
| D. | Vancomycin |
| Answer» D. Vancomycin | |
| 168. |
Nalidixic acid activity is due to |
| A. | The inhibition of DNA synthesis |
| B. | Inhibition of protein synthesis |
| C. | The inhibition of cell wall synthesis |
| D. | Both b and c |
| Answer» A. The inhibition of DNA synthesis | |
| 169. |
The best test for the susceptibility of a microorganism to antibiotics and other chemotherapeutic agents: |
| A. | Tube-dilution test |
| B. | Paper-disc test |
| C. | Both a and b |
| D. | None of these |
| Answer» C. Both a and b | |
| 170. |
The smallest amount of chemotherapeutic agents required to inhibit the growth of the organism in Vitro is known as |
| A. | MIC (minimum inhibitory concentration) |
| B. | Thermal death point (TDP) |
| C. | Death rate |
| D. | None of these |
| Answer» A. MIC (minimum inhibitory concentration) | |
| 171. |
Clear-zones formation around antibiotic disc is due to |
| A. | Growth of the bacterium surrounding of the disc |
| B. | Lysis of the bacterial cells surrounding the disc |
| C. | The destruction of paper disc (antibiotic) |
| D. | None of these |
| Answer» B. Lysis of the bacterial cells surrounding the disc | |
| 172. |
Bacitracin is obtained from |
| A. | subtilis b. |
| B. | anthracis |
| C. | B. cereus |
| D. | B. anthracoid |
| Answer» A. subtilis b. | |
| 173. |
Vancomycin is obtained from |
| A. | Streptococcus species |
| B. | Aspergillus niger |
| C. | Streptomyces orientalis |
| D. | Bacillus anthracis |
| Answer» C. Streptomyces orientalis | |
| 174. |
â-lactum antibiotics are |
| A. | Penicillin |
| B. | Cephalosporin |
| C. | Both a & b |
| D. | None of these |
| Answer» C. Both a & b | |
| 175. |
Virus causing mumps is also responsible for |
| A. | Measle |
| B. | Hepatitis A |
| C. | Rabies |
| D. | Variola |
| Answer» A. Measle | |
| 176. |
Epidemic pleurodynia and myocarditis of new born infants are both caused by |
| A. | Group B cox sack virus |
| B. | Reovirus |
| C. | Polyomavirus |
| D. | Cytomegalovirus |
| Answer» A. Group B cox sack virus | |
| 177. |
Human papillomavirus causes following tumors: |
| A. | Hepatic carcinoma |
| B. | Cervical cancer |
| C. | Condyloma acuminatum |
| D. | Plantar wart |
| Answer» A. Hepatic carcinoma | |
| 178. |
Viral infection is caused due to |
| A. | Acute self limited illness |
| B. | No apparent symptoms |
| C. | Chronic infection with persistent viral shedding |
| D. | All of these |
| Answer» D. All of these | |
| 179. |
Viruses which have teratogenic property are |
| A. | Herpes simplex virus |
| B. | Cytomegalovirus |
| C. | Rubella virus |
| D. | All of these |
| Answer» D. All of these | |
| 180. |
Kawasaki syndrome is |
| A. | Most prevalent in Japan and Hawaii |
| B. | Patients show rickettsia like bacteria in skin biopsies |
| C. | Strain involved may be propionibacterium |
| D. | All of these |
| Answer» D. All of these | |
| 181. |
Mode of action of quinolone antibiotics on growing bacteria was thought to be |
| A. | Inhibition of â lactamase |
| B. | Prevention of the cross linking of glycine |
| C. | Inhibition of DNA gyrase |
| D. | Inhibition of reverse transcriptase |
| Answer» C. Inhibition of DNA gyrase | |
| 182. |
The role that human play in the plague life cycle is |
| A. | Secondary reservoir |
| B. | Primary transmission vector |
| C. | Primary host |
| D. | Accidental intruder in rat flea cycle |
| Answer» D. Accidental intruder in rat flea cycle | |
| 183. |
Which organism is responsible for causing fever to a man dealing with goats? |
| A. | Trepanema Pallidum |
| B. | M.tuberculosis |
| C. | Clostridium novyl |
| D. | Brucella melitensis |
| Answer» D. Brucella melitensis | |
| 184. |
The parasite related to ancylostoma duodenale is |
| A. | Wuchereria bancrofti |
| B. | Necatur americanes |
| C. | Loa loa |
| D. | Trichinella spiralis |
| Answer» B. Necatur americanes | |
| 185. |
Which of the following amoeba does not live in large intestine ? |
| A. | Entamoeba coli |
| B. | Entamoeda histolytica |
| C. | Endolimax nana |
| D. | Entamoeba gingivalis |
| Answer» D. Entamoeba gingivalis | |
| 186. |
Which of the following is not related to congenital syphilis? |
| A. | Aneurysm |
| B. | Saddle nose |
| C. | Still birth |
| D. | Hutchiso’s teeth |
| Answer» A. Aneurysm | |
| 187. |
Streptococcus pyogens produce infection – |
| A. | Streptococcal sore throat |
| B. | Acute glomerulo nephritis |
| C. | Rheumatic fever |
| D. | None of these |
| Answer» A. Streptococcal sore throat | |
| 188. |
Salmonella which can cause prolong septicaemia. |
| A. | Salmonella anetum |
| B. | Salmonella cholerasuis |
| C. | Salmonella typhimurium |
| D. | Salmonella entritidis |
| Answer» B. Salmonella cholerasuis | |
| 189. |
E.coli produce which type of toxins? |
| A. | Exotoxin |
| B. | Endotoxins |
| C. | Leucocidin |
| D. | Both a and b |
| Answer» D. Both a and b | |
| 190. |
Main causative organism of gas gangrene is |
| A. | anthrax |
| B. | Clostridium tetani |
| C. | Cl.deficile |
| D. | Cl.perfringens |
| Answer» D. Cl.perfringens | |
| 191. |
Causative organism of whooping cough is |
| A. | Bordetella pertussis |
| B. | Bordetella parapertussis |
| C. | Bordetella bronchi septica |
| D. | None of these |
| Answer» A. Bordetella pertussis | |
| 192. |
Pfeiffer phenomenon is related to |
| A. | Vibrio cholerae |
| B. | B.anthrax |
| C. | Rickettsial pox |
| D. | All of these |
| Answer» A. Vibrio cholerae | |
| 193. |
Diagnostic test for the identification of primary syphilis: |
| A. | VDRL test |
| B. | Treponema pallidum immobilization test |
| C. | Kahn’s test |
| D. | Dark ground microscopic examination |
| Answer» D. Dark ground microscopic examination | |
| 194. |
Sporadic summer diarrhea may be caused by |
| A. | E.coli |
| B. | Enterobacter |
| C. | Hafnia |
| D. | Serratia |
| Answer» A. E.coli | |
| 195. |
Biological false reaction in VDRL is related to |
| A. | Lepra bacilli |
| B. | Corynebacterium diphtheria |
| C. | Cl.welchi |
| D. | None of these |
| Answer» A. Lepra bacilli | |
Done Studing? Take A Test.
Great job completing your study session! Now it's time to put your knowledge to the test. Challenge yourself, see how much you've learned, and identify areas for improvement. Don’t worry, this is all part of the journey to mastery. Ready for the next step? Take a quiz to solidify what you've just studied.