Question

Which genus is a commercial producer of ethanol?

• A. Clostridium
• B. Aspergillus
• C. Trichoderma
• D. Saccharomyces

Answer 1

The correct option is D

Saccharomyces

The correct option is D.

Explanation for correct option:

1. Ethanol is known to be commercially produced by Saccharomyces cerevisiae.
2. It is an ethanol-producing yeast.

Explanation for Incorrect Options:

Option A:

1. Clostridium is a gram-positive bacteria.
2. It causes many diseases such as Botulism by C. botulinum.

Option B:

1. Aspergillus is a fungus.
2. It is known to cause Aspergillosis.

Option C:

1. Trichoderma is a kind of fungi.

Final answer: Ethanol is known to be commercially produced by Saccharomyces.