Study Questions:

1. 1. Name the different nutritional types of microorganisms?

2. Write short notes on the nutritional requirements of microorganisms

a. Macronutrients

b. Micronutrients

c. Requirement of carbon, hydrogen and oxygen

d. Requirement of nitrogen, sulfur and phosphorus

3. What are growth factors and how are they important for microbial nutrition

4. Write a short note on the following:

a.  Photolithoautotrophs.

b.  Photoorganoheterotrophs.

c.  Chemolithoautotrophs.

d.  Chemoorganoheterotrophs.

5. State the role of following micro and macronutrients:

a.  K⁺

b.  Ca²⁺

c.  Fe²⁺ and Fe²⁺

d.  Zn²⁺

e.  Mo²⁺