What are the indole test, methyl red test, voges-proskauer test and citrate test (IMViC) reactions

What are the indole test, methyl red test, voges-proskauer test and citrate test (IMViC) reactions

What are the indole test, methyl red test, voges-proskauer test and citrate test (IMViC) reactions
Subject: Biology    / General Biology
Question

What are the indole test, methyl red test, voges-proskauer test and citrate test (IMViC) reactions? Describe in detail all four reactions (what media is used, important ingredients, what each reaction measures, and what positive and negative results mean).