1. The most potent greenhouse gas among the following is __? a. Carbon dioxide b. Oxygen c. Water Vapor d. Ozone Answer: Water Vapor 2. Potassium nitrate is used in ___________ a) Fetiliser b) Medicine c) Soda d) Bleeching Powder Answer: a) Fetiliser 3. Which among the following blood groups has A and B antigens on RBC (Red Blood Cells) ? a. O b. AB c. B d. A Answer: AB 4. Brass gets discoloured in air because of the presence of which of the following gases in air? a. Nitrogen b. Hydrogen sulphide c. Carbon dioxide d. Oxygen Answer: Hydrogen sulphide
Multiple Choice Nursing Question Answers