List of top Medical Laboratory Technology Questions on Microbiology

Which biochemical test identifies Streptococcus agalactiae via an enhanced hemolysis pattern?
Which enzyme curdles milk by converting caseinogens into paracaseinogen?
What is the primary source of energy for skeletal muscle during intense activity?
Which specific reagent did Sanger use in 1955 to study the structure of insulin?
Which test is used to differentiate Staphylococcus aureus from other Staphylococcus species?
HPV is responsible mainly for:
Which of the following test is used to differentiate Staphylococcus aureus from other Staphylococcus species?
Read the following statements on Gram staining:
A. Gram negative cells retain primary stain crystal violet because of thick peptidoglycan layer.
B. Iodine is used as mordant in Gram stain to retain CV-I complexes formed.
C. Safranin is the counter stain used.
D. Gram negative cells allow crystal violet stain to wash out, on addition of ethanol due to thin peptidoglycan layer.
E. Crystal violet is the counter stain used whereas safranin is the primary stain used in Gram staining.
Choose the correct answer from the options given below:

Match the LIST-I (Microbial pathogen) with LIST-II (Clinical syndromes): 
\[ \begin{array}{|l|l|} \hline \textbf{LIST I (Microbial pathogen)} & \textbf{LIST II (Clinical syndromes)} \\ \hline A. \ \textbf{Haemophilus aegyptius} & I. \ Upper respiratory tract infection \\ B. \ \textbf{Haemophilus influenzae} & II. \ Pneumonia \\ C. \ \textbf{Haemophilus ducreyi} & III. \ Conjunctivitis \\ D. \ \textbf{Haemophilus haemolyticus} & IV. \ Chancroid (STD) \\ \hline \end{array} \]
Choose the correct answer from the options given below: 
 

Diarrhoea is caused by which of the following species?
Tuberculosis is caused by which of the following organisms?
Which of the following Streptococcus cells can kill mice?

Match the LIST-I with LIST-II. 
 \[ \begin{array}{|l|l|} \hline \textbf{LIST I (Pathogen)} & \textbf{LIST II (Detection methods)} \\ \hline A. \ \text{Legionella} & I. \ \text{Enzyme-linked immunosorbent assay (ELISA) or EIA for detection of P-24} \\ B. \ \text{HIV} & II. \ \text{Cartridge based nucleic acid amplification test (CBNAAT) Gene Xpert} \\ C. \ \text{Mycobacterium} & III. \ \text{Urinary antigen test} \\ D. \ \text{Salmonella typhi} & IV. \ \text{Widal test for antibody against both O and H antigens} \\ \hline \end{array} \]

Read the following statements.
A. Prions are inactivated by steam autoclaving at $\geq 121^{\circ}$C after treatment with 1M NaOH.
B. Prions contain genetic materials DNA or RNA.
C. Prions are extremely resistant to conventional disinfection and sterilization methods.
D. Prion infection do not elicit any detectable specific humoral or cellular immune response.
What is the approximate incubation period in procedure of Widal Test for testing typhoid?
Choose the antigenic component of the viral infection Hepatitis B from the following options.