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.

16.

Carl Woese and his colleague are best known for establishing

A.

the five kingdom system

B.

the three domain system

C.

the prokaryote-eukaryote system

D.

the plant-animal system

Correct answer is B

No explanation has been provided for this answer.

17.

One of the reasons for the evolutionary success of the kingdom Monera is that its members are nutritionally diverse. Which of the following(s) is/are the way(s) of obtaining energy?

A.

Photoautotrophy

B.

Photoheterotrophy

C.

Chemoheterotrophy

D.

All of the above

Correct answer is D

No explanation has been provided for this answer.

18.

In the three domain system of classification, the traditional bacteria are placed in the

A.

eukarya

B.

archaea

C.

eubacteria

D.

none of these

Correct answer is C

No explanation has been provided for this answer.

19.

Archeal cells usually do not contain peptidoglycan, rather contain pseudo-peptidoglycan which is mainly composed of

A.

N-acetylmuramic acid and L-amino acids

B.

N-acetylmuramic acid and D-amino acids

C.

N-acetyltalosaminuronic acid and D-amino acids

D.

N-acetyltalosaminuronic acid and L-amino acids

Correct answer is D

No explanation has been provided for this answer.

20.

Which of the following sequences has helped in identifying eukaryotes, eubacteria and archeabacterial cell types?

A.

Signature sequence

B.

Signal sequence

C.

Shine-Dalgarno sequence

D.

Amino acid sequence

Correct answer is A

No explanation has been provided for this answer.