In Question out of four alternatives, choose the one which can be substituted for given group of words.

1. A remedy for all diseases. 

1. marvel 

2. Antibiotic 

3. Treatment 

4. panacea 

2. One who sacrifices his life for a cause. 

1. patriot 

2. Martyr 

3. Fanatic 

4. soldier 

3. An official numbering of the population. 

1. calligraphy 

2. Censor 

3. Demography 

4. census

4. Holding office without remuneration. 

1. honourable 

2. Honorary 

3. chair person 

4. enumerator 

5. One who does a thing for pleasure and not as profession. 

1. eligible 

2. Amateur 

3. Intelligent 

4. connoisseur