Microbiology PYQs – Set 61

By Atul Sahu • Microbiology, Subject Wise PYQs

Microbiology PYQs – Set 61

Subject : Microbiology

1201. Basic dyes are used in microbiological staining. Which statement is wrong about the mechanism of staining?

Microbiology • Complete Subject • GPAT 2023

A. Positive ions on the bacterial surface form a colored complex with the dye B. Ionic exchange occurs between negative bacterial charge and positive dye charge C. Ionic exchange occurs between positive bacterial charge and negative dye charge D. Neutral bacterial charge forms a colored complex with the basic dye

1202. Which statement is NOT true about prokaryotes?

Microbiology • Complete Subject • GPAT 2023

A. Nucleus is not bounded by a nuclear membrane B. Cell wall contains peptidoglycan C. 80S ribosomes are distributed in the cytoplasm D. It is haploid in nature

1203. Match the following diseases with their causative organisms: Creutzfeldt-Jakob disease, Typhus, Syphilis, Plague.

Microbiology • Complete Subject • GPAT 2023

A. Prions, Rickettsia prowazekii, Treponema pallidum, Yersinia pestis B. Yersinia pestis, Prions, Rickettsia prowazekii, Treponema pallidum C. Rickettsia prowazekii, Treponema pallidum, Prions, Yersinia pestis D. Treponema pallidum, Yersinia pestis, Prions, Rickettsia prowazekii

1204. Which of the following is acellular?

Microbiology • Complete Subject • GPAT 2023

A. Bacteria B. Fungus C. Virus D. Amoeba

1205. Enzyme asparaginase is obtained from

Microbiology • Complete Subject • GPAT 2023

A. Clostridium histolyticum B. Bacillus subtilis C. Erwinia caratovora D. Kluyveromyces lactis

1206. Choose the most appropriate pairing for parasitic worms: Enterobius vermicularis – Pin worm; Strongyloides stercoralis – Thread worm; Wuchereria bancrofti – Filarial worm; Dracunculus medinensis – Guinea worm

Microbiology • Complete Subject • GPAT 2023

A. Only B and C are correct B. Only A and B are correct C. B, C and D are correct D. All four pairings are correct

1207. Which type of hepatitis can lead to fulminant hepatitis with high third trimester mortality in pregnant women?

Microbiology • Complete Subject • GPAT 2023

A. Hepatitis A B. Hepatitis B C. Hepatitis C D. Hepatitis E

1208. Leprosy is a :

Microbiology • Complete Subject • GPAT 2023

A. Viral disease B. Metazoal disease C. Fungal disease D. Bacterial disease

1209. Influenza viruses are RNA viruses and belong to which family:

Microbiology • Complete Subject • GPAT 2023

A. Orthomyxoviridae B. Papoviridae C. Retroviridae D. Parvoviridae

1210. Which of the following is a causative organism for Syphilis:

Microbiology • Complete Subject • GPAT 2023

A. Clostridium tetani B. Bacillus pertussis C. Treponema pallidum D. Vibrio cholerae

1211. The optimum temperature for rapid growth of mesophiles is:

Microbiology • Complete Subject • GPAT 2023

A. 40 to 50 °C B. 50 to 60 °C C. 25 to 40 °C D. 15 to 20 °C

1212. Virus mediated transfer of host DNA from one cell to another cell is known as:

Microbiology • Complete Subject • GPAT 2023

A. Transcription B. Integration C. Transduction D. Transformation

1213. Which of the following is the best technique for detecting HIV:

Microbiology • Complete Subject • GPAT 2023

A. Real-time PCR B. Widal test C. Reverse transcriptase-PCR D. Polymerase chain reaction

1214. The most suitable disinfectant for decontaminating an HIV-contaminated endoscope is:

Microbiology • Disinfection & Sterilization • GPAT 2023

A. 1% Sodium hypochlorite B. 2% Glutaraldehyde C. 5% Phenol D. 70% Ethanol

1215. In transplant rejection, clinical features of graftversushost reaction include all EXCEPT

Microbiology • Graft‑versus‑host disease • GPAT 2023

A. Dermatitis, diarrhea B. Fever, weight loss C. Intestinal malabsorption D. Rheumatoid arthritis

1216. The 'wheal and flare' reaction indicates which hypersensitivity type?

Microbiology • Hypersensitivity reactions • GPAT 2023

A. Type I B. Type II C. Type III D. Type IV

1217. In treating immunodeficiency disease the goal is to maintain IgG levels at about :

Microbiology • Immunoglobulin replacement • GPAT 2023

A. 100 mg/dL B. 400 mg/dL C. 200 mg/dL D. 300 mg/dL

1218. Which of the following is true for natural killer cells?

Microbiology • Immunology and Vaccines • GPAT 2023

A. They may phagocytose tumor cells B. Killing of cells is enhanced by interleukin-2 C. They recognize and kill some virus-infected cells D. Killing of cells is stimulated by prostaglandin E2

1219. Passive immunity in newborn babies is due to

Microbiology • Immunology and Vaccines • GPAT 2023

A. IgG B. IgM C. IgE D. IgA

1220. Which of the following is not included in the immunization programme as per WHO recommendations for all children?

Microbiology • Immunology and Vaccines • GPAT 2023

A. BCG B. Oral polio C. Measles D. Typhoid

Disclaimer for MCQ Quiz
The questions in this MCQ quiz are intended solely for educational purposes. While we strive to ensure accuracy, the information may not always be up-to-date or complete. The creators are not liable for any errors or consequences. Verify any information before relying on it for critical decisions.

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Microbiology PYQs – Set 61

Microbiology PYQs – Set 61

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Microbiology PYQs – Set 61

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