True or false about useful microbes

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Penicillin was the first antibiotic discovered.

2. Statement is true

   No

   Statement

   Baculoviruses are used against plant roots.

3. Statement is true

   Yes

   Statement

   Sewage is treated until its BOD falls.

4. Statement is true

   No

   Statement

   Biogas is made by bacteria that need oxygen.

5. Statement is true

   Yes

   Statement

   Cyanobacteria enrich flooded paddy fields.

Instructions

Decide whether each statement is true or false.

Explanation