| Q.9 | Which of the following statement is NOT correct regarding drugs? | |
| Ans | 1. Norethindrone is an example of synthetic progesterone derivative most widely used as antifertility drug. | |
| 2. Birth control pills essentially contain a mixture of synthetic estrogen and progesterone derivatives | ||
| 3. Disinfectants are applied to inanimate objects such as floors, drainage system, instruments, etc. | ||
| 4. Chlorine in the concentration of 0.2 to 0.4 ppm in aqueous solution and sulphur dioxide in very low concentrations, are analgesics. |
Correct Ans: 4
