Question

If coliforms are found in a water sample, the imvic tests will help determine whether the coliforms are of fecal origin and not from plants or soil. what imvic results would indicate the presence of fecal coliforms

Answer 1

If the IMVic test detects the presence of E. coli it means that the water is contaminated with faecal coliforms.

Step-by-step explanation:

The IMVic test is a test that can be used to discover contaminants in water. The water may be contaminated by fecal coliforms or substances from plants and soil. These substances are associated with the presence of some bacteria, which is why the IMCic test is so efficient.

The IMVic test is able to detect the presence of Klebsiella, Enterobacter and Escherichia coli bacteria. If after the application of the test, the presence of E. coli in the water is detected, it means that the water is contaminated with faecal coliforms. If the presence of Klebsiella or Enterobacter is detected it means that the water is contaminated with substances of plant origin or soil particles.

Answer 2

Enterobacter, Klebsiella, and Escherichia coli.

Coliform bacteria is known to be a gram negative bacteria with rod-shaped and can fermantlactose with the production of acid and gas when incubated at 35-370C. Thus, IMViC are normally used in the identification of genera of Enterobacteriaceae which is responsible for intestinal infections. However, IMVic test will indicate the presence of Enterobacter, Klebsiella, and Escherichia coli.