Which one of the following is a fungus?
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → Aspergillus niger
Microbes are used to make organic acids on a large scale. Among the producers, only one is a fungus and the others are bacteria.
(1) Clostridium butylicum — Incorrect. This is a bacterium. It is used for butyric acid.
(2) Aspergillus niger — Correct. It is a fungus, and it is used for the production of citric acid.
(3) Bacillus thuringiensis — Incorrect. This is a bacterium. Its Bt toxin is used to kill insect pests.
(4) Acetobacter aceti — Incorrect. This is a bacterium. It is used for acetic acid (vinegar).
NCERT Extract:
Antibiotics – …
