171. Dematophytes are fungi infecting________________?
A. Subcutaneous tissue
B. Systemic organs
C. Nails, hair and skin
D. Superficial skin and deep tissue
✅ The correct answer is option Nails, hair and skin.
Microbiology MCQs
172. Which of the following is obligate aerobe ?
A. Pseudomonas aerogenosa
B. A. coli
C. B. Proteus
D. C. diphtheria
✅ The correct answer is option Pseudomonas aerogenosa.
173. In initial stages of tyhoid, salmonella can be detected in________________?
A. Feacus
B. Urine
C. Blood
D. All of the above
✅ The correct answer is option Blood.
174. Signs of tyhoid fever is/are_____________________?
A. Haemorrhage
B. perforation
C. Osteomyelitis
D. All of the above
✅ The correct answer is option All of the above.
175. Commonest mycobacterial infection in tropical countries_______________?
A. M. leprae
B. M. avium intracellulare
C. M. tuberculosis
D. Kansasi
✅ The correct answer is option M. tuberculosis.
176. Chlamydia causes all of the following except________________?
A. Trachoma
B. Non-gonococcal urethritis
C. Pneumonia
D. Parotitis
✅ The correct answer is option Parotitis.
177. The overall effect of HIV is to gradually impair the immune system by interference with______________?
A. Helper T lymphocytes
B. Natural killer cells
C. Plasma cells
D. Macrophages
✅ The correct answer is option Helper T lymphocytes.
178. Sleeping sickness is caused by_______________?
A. House fly
B. Sand fly
C. Tick
D. Reduvid bug
✅ The correct answer is option Reduvid bug.
179. A woman with infertility receives an ovary transplant from her sister who is an identical Twin. What type of graft it is ?
A. Xenograft
B. Autograft
C. Allograft
D. Isograft
✅ The correct answer is option Isograft.
180. Bacteria with tuft of flagella at one end are called_______________?
A. Monotrichate
B. Peritrichate
C. Bipolar
D. Lophotrichate
✅ The correct answer is option Lophotrichate.