GATE Overflow for GATE XE - Recent questions and answers in Characteristics of Microorganisms

GATE XE 2026 | Question: 123

Tue, 24 Feb 2026 15:32:29 +0000

Match the bacteria in Column I with their respective characteristic features in Column II.

$$\begin{array}{|ll|ll|} \hline & \textbf{Column I} & & \textbf{Column II} \\ \hline \text{(P)} & \textit{E. coli} & (1) & \text{Gram-negative, rod-shaped} \\ &&& \text{and non-spore formers} \\ \hline (Q) & \textit{B. subtilis} & (2)& \text{Gram-positive, rod-shaped} \\ &&& \text{and spore formers} \\ \hline (R) & \textit{S. aureus} & (3) & \text{Gram-positive, round-shaped} \\ &&& \text{and non-spore formers} \\ \hline (S) & \textit{L. monocytogenes} & (4) &\text{Gram-positive, rod-shaped} \\ &&& \text{and non-spore formers} \\ \hline \end{array}$$

$\text{P-1; Q-4; R-2; S-3}$
$\text{P-2; Q-1; R-3; S-4}$
$\text{P-2; Q-3; R-1; S-4}$
$\text{P-2; Q-4; R-1; S-3}$

GATE XE 2025 | Question: 134

Sun, 04 May 2025 15:30:54 +0000

Which genus of bacteria does $\textsf{NOT}$ have cell wall?

Lactobacillus
Staphylococcus
Mycoplasma
Escherichia

GATE XE 2024 | Question: 139

Sun, 21 Jul 2024 16:40:52 +0000

Which of the following statements is/ are correct regarding food and water borne disease and the class of causative microorganisms?

Legionellosis is a bacterial disease.
Giardiasis is caused by the protists.
Typhoid fever is caused by the virus.
Listeriosis is a fungal disease.

GATE XE 2024 | Question: 138

Sun, 21 Jul 2024 16:40:52 +0000

Which of the following is/are typical characteristic(s) of a fungal cell?

Presence of histone proteins
Presence of peptidoglycans in the cell wall
Presence of chitin in the cell wall
Presence of pseudomurein in the cell wall