MCB 101 LAB 7: BIOCHEMICAL TESTS QUESTIONS
WITH VERIFIED ANSWERS
Which biochemical test media requires that you remove a specific amount of culture to a
new tube prior to reading the result?
A. Voges-Proskauer
B. Urease
C. Lysine Decarboxylase
D. Indole - Answers - A. Voges-Proskauer
Which sugar fermentation test utilizes a Durham tube?
A. Sucrose
B. Lactose
C. Raffinose
D.Mannitol
E. Glucose - Answers - E. Glucose
Which biochemical test requires a larger inoculum than other the other tests?
A. Lysine Decarboxylase
B. Urease
C. Citric Acid
D. Esculin
E. Raffinose - Answers - B. Urease
Match the appropiate developing reagent with the biochemical tests
Methyl Red?
Methyl red
Hydrogen peroxide
VPI/VPII
None - Answers - Methyl red
Match the appropiate developing reagent with the biochemical tests
MacConkey?
Methyl red
Hydrogen peroxide
VPI/VPII
WITH VERIFIED ANSWERS
Which biochemical test media requires that you remove a specific amount of culture to a
new tube prior to reading the result?
A. Voges-Proskauer
B. Urease
C. Lysine Decarboxylase
D. Indole - Answers - A. Voges-Proskauer
Which sugar fermentation test utilizes a Durham tube?
A. Sucrose
B. Lactose
C. Raffinose
D.Mannitol
E. Glucose - Answers - E. Glucose
Which biochemical test requires a larger inoculum than other the other tests?
A. Lysine Decarboxylase
B. Urease
C. Citric Acid
D. Esculin
E. Raffinose - Answers - B. Urease
Match the appropiate developing reagent with the biochemical tests
Methyl Red?
Methyl red
Hydrogen peroxide
VPI/VPII
None - Answers - Methyl red
Match the appropiate developing reagent with the biochemical tests
MacConkey?
Methyl red
Hydrogen peroxide
VPI/VPII