The idea of vaccination was conceived by

1. Charles Darwin
2. Alexander Fleming
3. Issac Newton
4. Edward Jenner

Which one of the following is not a psychotropic drug?

1. Morphine
2. Cocaine
3. Heroin
4. Penicillin

'Prophylaxis' is a significant concept in medical science to prevent humans from many diseases. Specific vaccines for different diseases are prepared by different methods. Which of the following statements are mismatched?

P. Salk's vaccine for typhoid - using toxoids.

Q. BCG vaccine for tuberculosis - using living weakened germs.

R. Salk's vaccine for poliomyelitis - using killed germs.

1. Only P
2. Only R
3. Only P and Q
4. Only Q and R

Mohit was playing football in the school playground with his friends. All of a sudden, he fell badly on the ground. His right hand was most likely fractured. What first-aid should be given to him?

1. Mohit should be laid down on the ground and the fractured part should be moved continuously.
2. Tie a sling to rest the arm on it.
3. Apply some alkali, like baking soda on the fractured part.
4. Apply hot water bag around the fractured part