Who discovered insulin?
(A) Karl Benz
(B) Louis Pasteur
(C) Niels Bohr
(D) F. G. Vating
Raindrops are spherical-
(A) falling from above
(B) due to surface tension
(C) due to viscosity of water
(D) due to air friction
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
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
Why does the color of tomatoes turn red when ripe?
(A) Chlorophyll
(B) Acetic acid
(C) Chromoplast
(D) Due to cytoplasm
National good governance day is observed in India on-
(A) December 24
(B) December 25
(C) December 26
(D) December 31
Which element is found in the highest amount in the universe?
(A) Helium
(B) oxygen
(C) Hydrogen
(D) Nitrogen
The Nitrogen fixing legume—bacteria is—
(A) Rhodospirillum
(B) Plasmodium
(C) Anapector
(D) Rhizobium
Why do colors appear in soap bubbles due to the incident of light?
(A) due to scattering
(B) Due to interference
(C) Due to deflection
(D) Due to polarization
who invented dynamite?
(A) Alfred Nobel
(B) Thomas Alva Edison
(C) Galileo Galilei
(D) Charles Darwin
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