Chapter 9
Multiple Choice Questions – Answers
1. Identify the term that describes rod-shaped bacteria:
A Coccus
B Bacillus [True]
C Spirilli
D Longus
The correct answer is B. Bacillus is rod-shaped bacteria.
2. Identify the term that describes spherical-shaped bacteria:
A Coccus [True]
B Bacillus
C Spirilli
D Longus
The correct answer is A. Coccus is spherical-shaped bacteria.
3. Define the term pathogen:
A A micro-organism that lives with another organism
B A micro-organism that lives and feeds on dead material
C A micro-organism that can cause disease [True]
D A micro-organism that cannot cause disease
The correct answer is C. A pathogen is a micro-organism that causes disease.
4. Explain how a virus establishes itself in an animal:
A By killing the animal cells and replacing them with its own genetic material
B By invading the animal cells and replicating the cell’s genetic material
C By creating new animal cells
D By invading the animal cells and replicating its own genetic material [True]
The correct answer is D. Viruses act by invading the animal cell and replicating its own
genetic material over that of the animal cell.
Animal Biology and Care, Third Edition. Sue Dallas and Emily Jewell.
© 2014 John Wiley & Sons, Ltd. Published 2014 by John Wiley & Sons, Ltd.
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5. State the type of micro-organism that a mould is classified as:
A Bacteria
B Virus
C Fungus [True]
D Protozoan
The correct answer is C. Moulds are part of the fungi family.
6. State the type of micro-organism that ringworm is caused by :
A Bacteria
B Fungus [True]
C Protozoan
D Virus
The correct answer is B. Ringworm is caused by one of a number of fungal microorganisms, e.g. Microsporum canis.