Diarrhoea is caused by which of the following species?
Show Hint
- Enterobacter cloacae
- Escherichia coli
- Pemphigus vulgaris
- Yersinia pestis
The Correct Option is B
Solution and Explanation
The major bacterial causes of diarrhoea include E. coli (ETEC, EHEC, EPEC), Vibrio cholerae, Shigella, and Salmonella.
Step 2: Analyze given options.
- (A) Enterobacter cloacae: Usually opportunistic pathogen, rarely diarrhoea.
- (B) Escherichia coli: Enterotoxigenic and enterohemorrhagic strains cause diarrhoea. Correct.
- (C) Pemphigus vulgaris: Not a bacteria, it is an autoimmune blistering disorder.
- (D) Yersinia pestis: Causes plague, not diarrhoea.
Step 3: Conclusion.
The correct answer is Escherichia coli.
Top Questions on Microbiology
Match the LIST-I with LIST-II.
\[ \begin{array}{|l|l|} \hline \textbf{LIST I (Pathogen)} & \textbf{LIST II (Detection methods)} \\ \hline A. \ \text{Legionella} & I. \ \text{Enzyme-linked immunosorbent assay (ELISA) or EIA for detection of P-24} \\ B. \ \text{HIV} & II. \ \text{Cartridge based nucleic acid amplification test (CBNAAT) Gene Xpert} \\ C. \ \text{Mycobacterium} & III. \ \text{Urinary antigen test} \\ D. \ \text{Salmonella typhi} & IV. \ \text{Widal test for antibody against both O and H antigens} \\ \hline \end{array} \]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:
- HPV is responsible mainly for:
- Choose the antigenic component of the viral infection Hepatitis B from the following options.
- What is the approximate incubation period in procedure of Widal Test for testing typhoid?
Questions Asked in CUET PG exam
- Two bikes were sold for a total of Rs.1,50,000. One bike was sold at \(33\frac{1}{3}\)% loss and the other at 20% profit. The cost price of the first bike is equal to the selling price of the other bike. Find the overall loss.
- CUET (PG) - 2025
- Profit and Loss
Match List-I with List-II and choose the correct answer:
- CUET (PG) - 2025
- Indian Philosophy and Education
Match List-I with List-II:
- CUET (PG) - 2025
- Indian Philosophy and Education
Who said this sentence –
- CUET (PG) - 2025
- Hindu Literature
Match List-I with List-II and choose the correct answer:
