NCERT · Class 12 · Biology · Microbes in Human WelfareThe puffed-up appearance of dough used for making idli and dosa is due to the production of which gas?
Step-by-Step Solution
Carbon dioxide (CO2) is produced during the fermentation process by bacteria/yeast, which causes the dough to puff up.
Detailed Options Breakdown
Option : Oxygen
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Microbes in Human Welfare.
Option 1: Carbon dioxide (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Nitrogen
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Microbes in Human Welfare.
Option 3: Methane
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.