Name some traditional Indian foods made of wheat, rice and Bengal gram (or their products) which involve use of microbes.
Some traditional Indian foods that involve the use of microbes are:
Idli and dosa are made from a dough of rice and Bengal gram (urad dal) that is fermented by bacteria. The puffed-up appearance of the dough is due to the production of CO₂ gas during fermentation.
Bread, made from wheat, is prepared using dough that is fermented by baker's yeast (Saccharomyces cerevisiae). The yeast helps the dough rise, giving bread its soft texture.
Explanation
The textbook context explicitly mentions: (1) 'The dough, which is used for making foods such as dosa and idli is also fermented by bacteria' - these are rice and Bengal gram based; (2) 'the dough, which is used for making bread, is fermented using baker's yeast (Saccharomyces cerevisiae)' - bread is wheat-based. These three foods directly answer the question about wheat, rice, and Bengal gram products involving microbes.
Solution Steps
Step 1: Identify foods from context made of rice and Bengal gram → idli and dosa (fermented by bacteria)
Step 2: Identify foods from context made of wheat → bread (fermented by baker's yeast)
Step 3: Write answer naming all three foods with their microbial involvement