Question

fill in the blank

1. the imvic series is especially useful for distinguishing__________ bacteria from environmental or clinical samples.
2. in the voges - proskauer test, the reagents detect the presence of the compound__________.
3. a positive indole test turns__________ after the addition of kovacs reagent.
4. the ph indicator in the methyl red test is__________.

Explanation:

• For question 10: The IMViC series is a set of biochemical tests used to distinguish members of the family Enterobacteriaceae.
• For question 11: In the Voges - Proskauer test, the reagents detect acetoin.
• For question 12: A positive Indole test turns red after the addition of Kovac’s reagent.
• For question 13: The pH indicator in the Methyl Red test is methyl red.

Answer:

1. Enterobacteriaceae
2. acetoin
3. red
4. methyl red