1. Who invented Vitamin A ?

Answer: Mc Collum and M.Davis of U.S.A. in 1913

2. Who invented Bleaching Powder ?

Answer: Tennant of Britain in 1798

3. Who invented colour television ?

Answer:

Peter Carl Goldmark

4. Who invented Morphine ?

Answer: Friderich Sertumer of Germany in 1805

5. Who invented Biochemistry ?

Answer: Jan Baptista Van Helmont of Belgium in 1648.

6. Who invented DNA Structure ?

Answer: Crick(UK), Waston(US), Wilkins(UK) in 1951

7. Who invented Vitamin D ?

Answer:

Edward Mellanby discovered Vitamin D while researching a disease called rickets in 1922