NCERT · Class 12 · Biology · Microbes in Human WelfareWhich acid is produced by the bacterium Aspergillus niger?
Step-by-Step Solution
Aspergillus niger is a fungus (often grouped with industrial microbial strains in context) used commercially for the production of citric acid.
Detailed Options Breakdown
Option : Acetic acid
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Microbes in Human Welfare.
Option 1: Butyric acid
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Microbes in Human Welfare.
Option 2: Citric acid (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 3: Lactic acid
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Microbes in Human Welfare.
💡 Study Guide: This question tests core syllabus concepts from Microbes in Human Welfare. For formulas, key summaries, and mock exam reference guides, read the full Microbes in Human Welfare Revision Notes.