Who discovered insulin?
(A) Karl Benz
(B) Louis Pasteur
(C) Niels Bohr
(D) F. G. Vating
In what form is phosphate found in bones?
(A) vitamin
(B) calcium
(C) Protein
(D) Energy
Raindrops are spherical-
(A) falling from above
(B) due to surface tension
(C) due to viscosity of water
(D) due to air friction
Who invented the rabies vaccine?
(A) Hanfree Davy
(B) Charles Darwin
(C) Lewis Pasteur
(D) none of these
Due to the increase in the amount of carbon dioxide in the atmosphere-
(A) Rises in temperature
(B) Decrease in temperature
(C) Change according to season
(D) Continuous decrease in temperature
The rotations per second of a wheel that spins at an accelerating rate are measured by
(A) Chronometer
(B) hydrometer
(C) calipers
(D) stroboscope
When the snowflake melts, the result will be-
(A) will change in water level
(B) will remain unchanged in the water level
(C) water level will decrease
(D) water level will rise
Radio waves are reflected from which part of the atmosphere-
(A) Ionosphere
(B) Stratosphere
(C) Mesosphere
(D) None of these
Why does the color of tomatoes turn red when ripe?
(A) Chlorophyll
(B) Acetic acid
(C) Chromoplast
(D) Due to cytoplasm
When was the Space Commission established in India?
(A) July 1972
(B) July 1973
(C) June 1972
(D) June 1973
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