Bacteria MCQs with Answers

Most ciliates exchange genetic material through the process of?

• A.Binary fission
• B.Conjugation
• C.Budding
• D.Fragmentation

The Peptidoglycan layer is found in the cell of?

• A.Bacteria
• B.Fungi
• C.Algae
• D.Protozoa

A student observes a microorganism under a microscope that lacks a nucleus and is made of a single cell. Which classification would best fit this organism?

• A.Multicellular eukaryote
• B.Unicellular prokaryote
• C.Unicellular eukaryote
• D.Multicellular prokaryote

In which organism is the human insulin inserted for the commercial preparation of insulin?

• A.Bacteria
• B.Yeast
• C.Virus
• D.Algae

Which classification system is based on genome type and replication strategy?

• A.Linnaean system
• B.Baltimore system
• C.Whittaker system
• D.Binomial nomenclature

Fermentation occurs only in oxygen-free or anaerobic conditions. Which one of the following is the key characteristic of fermentation?

• A.It converts sugar into either acid or alcohol
• B.It requires oxygen to break down glucose completely
• C.It produces a large amount of ATP compared to aerobic respiration
• D.It occurs only in the presence of mitochondria

The most abundant living organisms in the world are ?

• A.Fungi
• B.Bacteria
• C.Viruses
• D.Protozoa

Past Paper MCQ

Study of Bacteria in Biology is called

• A.Virology
• B.Bacteriology
• C.Mycology
• D.Parasitology

What is the second kingdom known as in biological classification?

• A.Protista
• B.Eubacteria
• C.Fungi
• D.Archaea

A protein coat surrounding a genetic core best describes a _?

• A.Bacterium
• B.Prion
• C.Fungus
• D.Virus