Bacteria MCQs

We formulated MCQs covering bacterial morphology, physiology, ecological roles, and interactions with humans, offering a comprehensive assessment of bacterial knowledge like Good bacteria and Bad bacteria.

Engaging with these MCQs enhances understanding of bacterial diversity, functions, and impacts, aiding students, researchers, and enthusiasts in reinforcing knowledge and addressing exam or research queries effectively.

Table of Contents

MCQ on Bacteria

Which of these is an antibiotic resistant bacteria?

methicillinresistant Staphylococcus aureus
Streptococcus pneumoniae
Carbapenem-Resistant Enterobacteriaceae
All of these

Correct Answer

All of these

Which of these is a disease-causing bacteria?

Streptococcus pyogenes
Mycobacterium tuberculosis
Staphylococcus aureus
All of these

Correct Answer

All of these

__ living in your intestines make vitamins that you need to stay healthy

Streptococcus pyogenes
Mycobacterium tuberculosis
E. Coli
Staphylococcus aureus

Correct Answer

E. Coli

Generally speaking, bacteria range in size from _ in length

0.1 to 5.3 micrometers
1 to 10 micrometers
1 to 10 picometers
1 to 10 nanometers

Correct Answer

1 to 10 micrometers

Good Bacteria MCQs

Bacteria Aid the digestive process and assist with blood clotting by releasing vitamin _

K
B complex
E
D

Correct Answer

You can’t get vitamin _ from foods

K
B complex
E
D

Correct Answer

Bad Bacteria MCQs

_ is the bacterium that caused the Black Death, a wave of bubonic plague that killed about two-thirds of the people living in Europe during the 13th century

Bacillus anthracis
Bacillus brevis
Yersinia pestis
None of these

Correct Answer

Yersinia pestis

Black Death was a wave of bubonic plague that killed about two-thirds of the people living in Europe during the _ century

11th
13th
15th
14th

Correct Answer

13th

_ bacteria exist in the throats of normal, healthy people all the time

Bacillus anthracis
Bacillus brevis
Yersinia pestis
Streptococcus pneumoniae

Correct Answer

Streptococcus pneumoniae

Botulism illness is usually caused by improper canning, which allows the bacteria _ to grow in the food and release their toxins