Scientific Development

51. Who discovered the first successful treatment for tuberculosis?
A) Robert Koch
B) Edward Jenner
C) Louis Pasteur
D) Selman Waksman

52. What is the name of the process by which a solid changes directly into a gas without passing through the liquid state?
A) Melting
B) Boiling
C) Sublimation
D) Condensation

53. Who discovered the first successful treatment for leprosy?
A) Gerhard Hansen
B) Robert Koch
C) Louis Pasteur
D) Selman Waksman

54. What is the name of the process by which energy is stored in chemical bonds and then released during a chemical reaction?
A) Photosynthesis
B) Respiration
C) Fermentation
D) Combustion

55. Who discovered the first successful treatment for syphilis?
A) Paul Ehrlich
B) Robert Koch
C) Louis Pasteur
D) Selman Waksman