General Science multiple choice questions answer pdf Test no-4
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Science multiple choice questions quiz
151.Enzymes are made up of
(a) Amino acids
(b) Fats
(c) Proteins
(d) Carbohydrates
152.The gas used in the fire extinguisher is
(a) Carbon dioxide
(b) Carbon monoxide
(c) Sulphur dioxide
(d) Nitrogen
153. Food is digested mainly in the
(a) Mouth
(b) Small intestine
(c) Liver
(d) Large intestine
154. Man cannot survive without taking a minimum amount of
(a) Carbohydrates
(b) Proteins
(c) Fats
(d) Minerals
155. The most important effect of the moon on the earth is that
(a) It gives light
(b) It causes tides in the ocean
(c) It causes solar and lunar eclipses
(d) It causes earthquakes
156. The largest gland of the human body is the
(a) Kidney
(b) Liver
(c) Heart
(d) Pancreas
157. Which of the following is a chemical change ?
(a) Melting of iron
(b) Rusting of iron
(c) Bending of iron
(d) Tempering of iron
158. A mixture of water and alcohol can be separated by
(a) Distillation
(b) Filtration
(c) Sublimation
(d) Chromatography
159. Light energy is converted into chemical energy by
(a) Electrolysis
(b) Photosynthesis
(c) Respiration
(d) Transpiration
160. A green tie in the red light appears to be
(a) Red
(b) Black
(c) Orange
(d) Yellow
161. Both the pans of a balance are kept in equilibrium by putting equal weights. When the balance is kept in an upward moving lift, the equilibrium
(a) Will be disturbed
(b) Will remain undisturbed
(c) Will be undisturbed if the lift is moving with a constant velocity
(d) Will be disturbed if the lift is accelerated
162. The latitude of the south pole is
(a) 90°
(b) 60°
(c) 30°
(d) 0°