64. The study of Drugs and their action is known as
A. Pharmacy
B. Palaeozoology
C.Pharmacology
D.Palaeontology
65. Root pressure is measured by
A. Barometer
B. Atmometer
C. Manometer
D. Auxanometer
66. Blood groups were discovered by
A. Landsteiner
B. William Harvey
C. Weismann
D. Morgan
67. A tachometer is a device used to measure
A. gravitational pull
B. speed of rotation
C. surface tension
D. dispersive power
68. Which scientist discovered the radioactive element Radium ?
A. Marie Curie
B. Isaac Newton
C. Albert Einstein
D. Benjamin Franklin
69. Crescograph was invented by
A. S.N. Bose
B. P.C. Roy
C. J.C. Bose
D. P.C. Mahalanobis
70. Name the branch of Zoology that deals with the scientific study of animal behaviour.
A. Ecology
B. Physiology
C. Ethology
D. Anatomy
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