52.

53.

54.

55.

56.

57.

58.

Candida albicans shows the following characteristics except :

(A) 18 8 true yeast

(B) Demonstration of pseudohyphal forms in tissue indicates invasion

(C) Rapid identification is by its ability to form germ tubes at 37°C in 2 hrs
(D) Oral thrush is a form of mucosal candidiasis

Which of the following fungi causing human disease is not a common laboratory
contaminant ?

(A) Penicillium spp (B) Cryptococcus spp

(C) Aspergillus spp (D) Mucor spp

Which of the following statement regarding dermatophytes is not correct ?
(A) Are hyaline filamentous fungi (1) Infect keratinised tissues
(C) Sensitive to cycloheximide (D) Infect skin, hair and nails

An example of continuous cell line for virus isolation is :
(A) Human carcinoma of cervix cell line

(B) Human amnion cell culture

(C) Human embryonic lung cell strain

(D) Rhesus embryo cell strain

In a patient with chronic hepatitis B virus infection which serological marker indicates
high infectivity ?

(A) Hepatitis B surface antigen (B) Hepatitis B (Precore) antigen

(C) Hepatitis B surface antibody (D) Hepatitis B core antibody

All of the following are true of viral inclusion bodies except :

(A) They are aggregates of viruses inside an infected cell

(B) They are situated only in the cytoplasm of infected cells

(C) Giemsa stain is used to demonstrate inclusion bodies

(D) Negri bodies are inclusion bodies seen in brain tissue in rabies virus infection

Which of the following is not correct regarding biosafety cabinets ?

(A) Biosafety cabinets are of 2 classes

(B) They provide a barrier between the lab personnel and infective material during
processing

(C) Procedures like mixing or ultrasonic disruption of specimens of pathogens that
generate aerosols is done in class I biosafety cabinet

(D) Uninoculated cell cultures for virus isolation are processed in class 11 biosafety
cabinet

9 007/2022
{P.T.0.}