Microbiology questions and answers

Microbiology Questions and Answers

How well do you know about living organisms that are too small to be visible with the naked eye? This test challenges your knowledge of microscopic organisms, such as bacteria, fungi and virus.

21.

The idea of selective toxicity was first proposed by

A.

Antony van Leeuwenhoek

B.

Paul Ehrlich

C.

Louis Pasteur

D.

Alexander Fleming

Correct answer is B

No explanation has been provided for this answer.

22.

Which of the following microorganisms is classified as a member of archaebacteria?

A.

Gyanobacteria

B.

Methanobacteria

C.

Trichomonads

D.

Mycoplasma

Correct answer is B

No explanation has been provided for this answer.

23.

All the following are basic properties of cells except

A.

cells have nuclei and mitochondria

B.

cells have a genetic programme and the means to use it

C.

cells are capable of producing more of themselves

D.

cells are able to respond to stimuli

Correct answer is A

No explanation has been provided for this answer.

24.

Prokaryotic microorganism include

A.

protozoa

B.

fungi

C.

bacteria

D.

all of these

Correct answer is C

No explanation has been provided for this answer.

25.

Who discovered the bacteria that cause cholera?

A.

Pierre Berthelot

B.

Robert Koch

C.

Louis Pasteur

D.

Rudolf Virchow

Correct answer is B

No explanation has been provided for this answer.