Everyday Science · Cell Biology & Microorganisms · page 20 of 22

Bacteria MCQs with Answers

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Bacteria, Viruses & Microorganisms MCQs (191–200)

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191.
Which of the following best describes the cellular organization of Eubacteria?
Correct Answer: A. Prokaryotic
One-liner
Eubacteria (true bacteria) have a prokaryotic cellular organization, meaning they lack a membrane-bound nucleus and other membrane-bound organelles.
192.
What is the percentage of RNA in a bacterial cell?
Correct Answer: B. 2.0%
One-liner
The percentage of RNA in a bacterial cell is approximately 2.0% of the total cell composition.
193.
Past Paper MCQ
At what temperature do bacteria die?
Correct Answer: B. 102°F
One-liner
Most bacteria die at a temperature of 102°F (approximately 39°C).
194.
The genetic material of plant viruses mostly is ?
Correct Answer: B. RNA
One-liner
The genetic material of most plant viruses is RNA.
195.
The simplest way of asexual reproduction is _?
Correct Answer: A. Binary fission
One-liner
The simplest way of asexual reproduction is binary fission.
196.
Beggiatoa is a type of bacteria called?
Correct Answer: C. Chemosynthetic bacteria
One-liner
Beggiatoa is a type of chemosynthetic bacteria that obtains energy by oxidizing hydrogen sulfide.
197.
A bacteriophage can be recognized by its _?
Correct Answer: C. Tadpole shape
One-liner
A bacteriophage can be recognized by its tadpole shape, featuring a polyhedral head and a tail with tail fibers.
198.
Interferon is _?
Correct Answer: C. A type of protein
One-liner
Interferon is a type of protein produced by the body's cells in response to viral infections.
199.
The reproductive cycle of malarial parasite consists of ?
Correct Answer: C. 48 hours
One-liner
The reproductive cycle of the malarial parasite consists of 48 hours.
200.
Trichocysts are found in ?
Correct Answer: D. Paramecium
One-liner
Trichocysts are specialized defensive organelles found in Paramecium.

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Bacteria MCQs with Answers

Bacteria, Viruses & Microorganisms MCQs (191–200)

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