Exercise for Physics – Basic Questions up to Class 10 Important for Exams – Must Know Logics Part 7
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73. The credit of developing the polio vaccine goes to
(a) Jonas Salk
(b) Alb E. Sabin
(c) Selman Waksman
(d) None of these
Ans: (a)
74. Mark the wrong combination
(a) James Watt: Steam Engine
(b) A. G. Bell: Telephone
(c) J. L. Baird: Television
(d) J. Perkins: Penicillin
Ans: (d)
75. Choose the correct combination
(a) Typewriter: Remington
(b) Dynamite: Dunlop
(c) Evolution: Darwin
(d) Aeroplane: Harway
Ans: (c)
76. Who invented the ball point pen?
(a) Waterman
(b) Oscar
(c) Wilson
(d) Lazlo Biro
Ans: (d)
77. Blaze Pascal is associated with
(a) Calculating machine
(b) Computer
(c) Cinema
(d) None of the above
Ans: (a)
78. Wright Brothers are regarded inventors of the
(a) Balloon
(b) Bicycle
(c) Airplane
(d) None of these
Ans: (c)
79. Which of the following pairs is incorrect?
(a) Roentgen: X-ray
(b) Newton: Law of gravitation
(c) Faraday: Diffusion of gases
(d) Pasteur: Bacteriology
Ans: (c)
80. Philology is the
(a) Study of bones
(b) Study of muscles
(c) Study of architecture
(d) Study of languages
Ans: (d)
81. Anatomy is the branch of science which deals with
(a) Structure of animals and plants
(b) Functioning of body organs
(c) Animal behaviour
(d) Cells and tissues
Ans: (a)
82. Study of earthquakes is known as
(a) Ecology
(b) Seismology
(c) Numismatics
(d) None of these
Ans: (b)
83. Ecology deals with
(a) Birds
(b) Cell formation
(c) Relation between Organisms and their environment
(d) Tissues
Ans: (c)
84. Meteorology is the science of
(a) Weather
(b) Meteors
(c) Metals
(d) Earthquakes
Ans: (a)
85. Oncology is the study of
(a) Birds
(b) Cancer
(c) Mammals
(d) Soil
Ans: (b)
86. Study of life in outer space is known as
(a) End biology
(b) Exobiology
(c) Enter biology
(d) Neo biology
Ans: (b)