Quick picks on useful microbes

Exercise and reference answers

Questions

1. Question

   Curd is made by bacteria producing:

   Choices

   1. Acids
   2. Bases
   3. Salts

   Correct choice

   Acids

2. Question

   Bread dough is raised using:

   Choices

   1. A mould
   2. Baker's yeast
   3. An alga

   Correct choice

   Baker's yeast

3. Question

   Penicillin was discovered by:

   Choices

   1. Florey
   2. Chain
   3. Fleming

   Correct choice

   Fleming

4. Question

   Biogas from dung is called:

   Choices

   1. Gobar gas
   2. Coal gas
   3. Water gas

   Correct choice

   Gobar gas

5. Question

   Biogas bacteria are called:

   Choices

   1. Nitrogens
   2. Methanogens
   3. Carbonogens

   Correct choice

   Methanogens

Instructions

Tap the correct answer before the round moves on.

Explanation