microbiology MCQs – Page 24

Practise focused microbiology questions with marked answers for exam preparation and subject revision.

microbiology Mcqs
461. Cell wall deficient bacteria are_______________?
comments icon0

A. Staphylococci

B. Mycoplasma

C. Escherichia Coli

D. Spirochetes

462. Tuberculin test screens for_____________?
comments icon0

A. Hemoral immunity

B. Cell mediated immunity

C. Complement function

D. Phagocyte dysfunction

463. The predominant immunoglobulin in saliva is_______________?
comments icon0

A. IgG

B. IgD

C. IgE

D. IgA
464. In initial stages of tyhoid, salmonella can be detected in________________?
comments icon0
A. Blood

B. All of the above

C. Feacus

D. Urine

465. Lancefields classification of B hemolytic streptococcus is based on______________?
comments icon0

A. Type of lipid in cell membrane

B. M Protein

C. Polysaccharide C antigen

D. Physiological properties

466. Detergents used to disinfect dental instruments in the office kill bacteria by interfering with functional of the cell______________?
comments icon0
A. membrane

B. nucleus

C. Capsule

D. wall

467. Test for differentiating virulent form non-virulent tubercular bacilli_____________?
comments icon0

A. Niacin test

B. Catalase peroxidase test

C. Aryl sulphatase test

D. Neutral red test
468. The structure in involved in bacterial attachment to cell surface is_______________?
comments icon0

A. Capsule

B. Fimbria

C. Flagella

D. None of the above

469. Lepromin test is useful for________________?
comments icon0

A. Epidemiology

B. Prognosis

C. Treatment plan

D. Diagnosis

470. Which regards to temperature requirement, most pathogenic bacteria are_____________?
comments icon0

A. Psychrophiles

B. Cryophiles

C. Mesophiles

D. Thermophiles

471. A darkfield microscope would be useful in examining blood for_______________?
comments icon0

A. Actinomyces

B. Treponema

C. Mycobacterium

D. Streptococcus

472. Malignant pustule is referred to_________________?
comments icon0

A. Facio-cervical actinomycosis

B. Cutaneous anthrax

C. None of the above

D. Infected squamous cell carcinoma

473. Gram -ve bacteria stain during gram staining____________?
comments icon0

A. Green

B. Red color

C. Colorless

D. Blue color

474. The causative organism for cat-scratch disease is______________?
comments icon0

A. Hemophilia ducreya

B. Chlamydia trachomatis

C. Donovania granulomatis

D. Bartonella henselae
475. Rapid diagnosis of Tuberculosis is possible with_______________?
comments icon0

A. Ziel Nelson

B. Kin Young stain

C. Giemsa stain

D. Auramine-Rhodamine stain
476. Which of the following is true about tetanus acquired through traumatic wound ?
comments icon0

A. Causes positive Nagler reaction

B. The patient should be given tetanus toxoid intravenously

C. The tetanospasmin component of the exotoxin act on the post-synaptic neurones and prevents impulse transmission

D. Clostridium tetani travels via the nerves to the anterior horn dells in spinal cord
477. Which of the following provides best gurantee for sterlization in the heat sterilizer ?
comments icon0

A. Determining the ability of a sterilizer to kill the hepatitis B virus

B. Recording a temperature/ pressure readings from sterilizer guage

C. Using a bacterial spore test

D. Using chemical indicator strip or pouch

478. What is the transport medium for cholera___________________?
comments icon0
A. B & C

B. Venkatraman Ramakrishnan Medium

C. Cary Blair Medium

D. Tellurite Medium

479. Wasserman test test is diagnostic of__________________?
comments icon0

A. Tyhoid

B. TB

C. Syphilis

D. Gonorrhea

480. Organism most frequently associated with urinary tract infections is_________________?
comments icon0

A. Neisseria gonorrhea

B. T-strain mycoplasma

C. Escherichia coli

D. Streptococcus fecalis