1. Alcohol is produced with the help of (a) sodium chloride (b) yeast (c) nitrogen (d) carbon dioxide ANS - yeast 2. Which of the following drug is antipyritic ? (a) Insulin (b) Alcohol (c) streptomycin (d) Paracetamol ANS - paracetamol 3. What helps in the rise of bread or dosa dough? (a) Heat (b) Grinding (c) Growth of yeast cells (d) Low pressure ANS - Growth of yeast cells 4. The status of algae in the aquatic food chain is (a) consumers ...