Microorganisms MCQ's 2012

1

Which of the following is a macronutrient?

1

Denitrification is a process by which:

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Carl Woese of the University of Illinois and his collaborators identified two major branches of prokaryotic evolution. What was the basis for dividing prokaryotes into two domains?

1

Catalase is indispensable to:

1

Addition of blood to a culture medium allows haemolytic bacteria to be picked out. This is an example of a:

1

Which of these environmental factors influence microbial growth?

1

Mutations are:

1

A Wild-type bacterial strain is:

1

Viruses may encode their genomes as:

1

Virus particles:

1

The symptom ‘chlorosis’ which develops when some fungi infect plants is due to:

1

Which of the following is NOT a correct statement about true fungi:

1

The Bacille-Calmette-Guérin (BCG) vaccine is:

1

Which of the following is transmitted to humans by arthropods?

1

Pasteur is attributed with which one of the following discoveries?

1

The length of a typical E. coli cell is approximately?

1

With respect to differences between members of the archaeal and bacterial domains/kingdoms, which is the CORRECT statement?

1

Which statement is correct with respect to the E. coli chromosome?

1

A culture of E. coli is diluted by a factor of x 10-5 and, after plating out 100 μl on an agar plate, 78 colonies grew after incubation at 37oC overnight. The original culture therefore contained how many viable E. coli cells per ml?

1

Bacterial flagella bring about cell motion by which mechanism?

1

Incorporation of atmospheric N2 to NH4+ occurs via the process of:

1

Active transport is necessary when:

1

The size of the most useful RNA molecule for prokaryotic evolutionary studies is:

1

Siderophores:

1

Chemical energy is released when organic or inorganic compounds are:

1

MacConkey agar selects for:

1

The Bacterial chromosome is:

1

With regards to bacterial plasmids which statement is the CORRECT one?

1

Which is the TRUE statement below:

1

The poliovirus mature virus particle:

1

Phytophthora infestans is a fungus-like organism which:

1

Zoophilic dermatophytes are:

1

Which of the following is primarily a respiratory pathogen?

1

Which of the following is NOT an acquired mechanism of antibiotic resistance in bacteria?

1

With regard to the differences between bacterial and eukaryotic cells which statement is the CORRECT one?

1

Koch’s postulates most correctly relate to which one of the following statements?

1

Which statement is CORRECT with respect to Lipopolysaccharide (LPS)?

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A culture of E. coli is diluted by a factor of 10-6 and, after plating out 100 μl on an agar plate, 94 colonies grew after incubation at 37oC overnight. The original culture therefore contained how many viable E. coli cells per ml?

1

Papers covered; May 2012 NO RESIT PAPER

Microorganisms MCQ's 2012

Microorganisms MCQ's 2012

Which of the following is a macronutrient?

Denitrification is a process by which:

Carl Woese of the University of Illinois and his collaborators identified two major branches of prokaryotic evolution. What was the basis for dividing prokaryotes into two domains?

Catalase is indispensable to:

Addition of blood to a culture medium allows haemolytic bacteria to be picked out. This is an example of a:

Which of these environmental factors influence microbial growth?

Mutations are:

A Wild-type bacterial strain is:

Viruses may encode their genomes as:

Virus particles:

The symptom ‘chlorosis’ which develops when some fungi infect plants is due to:

Which of the following is NOT a correct statement about true fungi:

The Bacille-Calmette-Guérin (BCG) vaccine is:

Which of the following is transmitted to humans by arthropods?

Pasteur is attributed with which one of the following discoveries?

The length of a typical E. coli cell is approximately?

With respect to differences between members of the archaeal and bacterial domains/kingdoms, which is the CORRECT statement?

Which statement is correct with respect to the E. coli chromosome?

A culture of E. coli is diluted by a factor of x 10-5 and, after plating out 100 μl on an agar plate, 78 colonies grew after incubation at 37oC overnight. The original culture therefore contained how many viable E. coli cells per ml?