GATE Overflow for GATE ESE - Recent questions in Prokaryotic and Eukaryotic Microorganisms

GATE ES 2025 | Question: 15

Thu, 06 Mar 2025 16:22:19 +0000

Choose the correct statement(s) from the following regarding the structure/ reproduction of microorganisms

Prokaryotes do not have nucleus but Eukaryotes have nucleus.
Both Prokaryotes and Eukaryotes have nucleus.
No binary fission happens in Eukaryotes, however, Prokaryotes rely on binary fission for reproduction.
Both Prokaryotes and Eukaryotes rely on binary fission for reproduction.

GATE ES 2024 | Question: 4

Mon, 19 Feb 2024 10:24:13 +0000

Rod shaped bacterial cells are called ________.

Bacilli
Cocci
Spirilla
Diplococci

GATE ES 2021 | Question: 35

Tue, 14 Mar 2023 03:44:05 +0000

Which of the following is true for the nitrifying bacteria belonging to genus Nitrobacter?

They are autotrophs.
They are eukaryotes.
They convert chemical energy to cellular energy using mitochondria.
They convert $\mathrm{NO}_{3}^{-}$to $\mathrm{NO}_{2}^{-}$.

GATE ES 2022 | Question: 34

Fri, 17 Feb 2023 07:05:47 +0000

A typical plasmid-free bacterial cell having a single chromosome consists of $\sim 55 \%$ protein, $\sim 3 \%$ DNA and $\sim 21 \%$ RNA, where " $\% "$ " represents percentage of dry weight. Assuming there are 2500 different types of protein molecules (with at least one copy number) being expressed in a living bacterial cell at any given time, which of the following statement(s) is/are NOT correct with respect to the number of intracellular DNA, RNA and protein molecules?

$\mathrm{DNA}=\mathrm{RNA}=$ Protein $\geq 2500$
$\quad \mathrm{DNA}=\mathrm{RNA}=1 ;$ Protein $\geq 2500$
DNA $=1 ;$ RNA $=$ Protein $\geq 2500$
$\mathrm{DNA}=1 ; \mathrm{RNA}>$ Protein $\geq 2500$