Laws, Theories and Discoveries Test 2 Online

1. Nobel prize was started after the name of Alfred Nobel who invented ?

2. Cryogenics is a science dealing with ?

3. Barometer was invented by ?

4. Which of the science deals with tumour ?

5. Oral polio vaccine was discovered by ?

6. Study of the life in outer space is ?

7. The first operational compound microscope was developed by ?

8. Inventor of wireless telegraphy is ?

9. Petrol engine was invented by ?

10. One of the youngest sciences of the 20th century which deals with production, control and application of very low temperature is called ?

11. Transistor was invented by ?

12. Blood grouping was discovered by ?

13. The law of conservation of energy states that ?

14. Dendrology is associated with the study of ?

15. Insulin was discovered by ?