everyday science Mcqs
151. The source of oxygen in photosynthesis is
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A. salts

B. minerals

C. water

D. glucose

152. The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from____________ ?
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A. Ionosphere

B. Stratosphere

C. Mesosphere

D. None of these

E. Troposphere

153. The SI unit of charge is __________?
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A. Ohm

B. Volt

C. Ampere

D. Coulomb
154. The good sources of Vitamin-C are________?
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A. green leafy vegetables

B. sea foods

C. fresh vegetables and fruits

D. seeds

155. Magnifying power of a simple microscope can be increased by ?
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A. Lens of large aperture

B. None of these

C. Decreasing focal length of the lens

D. increasing focal length of the lens

E. lens of short aperture

156. Which of the following is most elastic ?
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A. Sponge

B. Rubber

C. Steel

D. Glass

E. None of these

157. Yeast is used in making bread because it produces____________?
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A. Carbon dioxide

B. Bacteria

C. None of these

D. Oxygen

E. Sugar

158. A person with which of the following blood groups can receive blood of any group?
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A. A

B. O

C. AB

D. B

159. Lactometer is a type of Hydrometer which is used to measure the specific gravity of _________?
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A. Water

B. None of these

C. Honey

D. Milk

E. olive oil

160. Sedimentary rocks are__________?
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A. Porous

B. Rough

C. Volcanic

D. Brittle

E. Hard

161. In humans , most nutrient molecules are absorbed by the ?
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A. Large intestine

B. None of these

C. Stomach

D. Small intestine

E. Liver

162. Leukemia is a disease of the___________?
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A. Blood

B. Skin

C. Lungs

D. Nerves

163. Digestion of food is completed in the __________?
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A. stomach

B. small intestine

C. large intestine

D. Liver

164. Twinkling of stars is caused by ?
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A. refraction of light

B. Polarization of light

C. Reflection of light

D. Interference of light

E. None of these

165. A Fahrenheit thermometer indicates a temperature of 14F. its corresponding reading on the Celsius scale will be _________?
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A. 10C

B. + 20C

C. 2OC

D. + 10C

166. 1 nanometer = ?
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A. 10<sup>-12</sup> meter

B. 10-9 meter

C. 10<sup>-6</sup> meter

D. 10<sup>-3</sup> meter

167. Dialysis is used for the treatment of__________?
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A. Heart weakness

B. Brain diseases

C. Kidney failure

D. None of these

168. Which from the following is NOT a conductor?
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A. Aluminium

B. Graphite

C. Gold

D. All are conductors
169. The beautiful color patterns exhibited by a peacock in its tail feathers are due to ?
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A. Natural colour pattern of feathers

B. Selective re ection of light

C. Selective absorption of light

D. Sinterference of light

170. Hygrometer is used for measuring the ____________?
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A. Speed of sound

B. Humidity of air

C. None of these

D. Density of milk

E. Specific gravity of liquids

171. A body can escape the gravitational pull of the earth if it is thrown up with a velocity of?
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A. 7 miles per sec

B. 60 miles per sec

C. None of these

D. 10 miles per sec

E. 25 miles per sec

172. Severe deficiency of Vitamin D results in __________.
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A. night blindness

B. scurvy

C. rickets

D. None of these

173. Each day human body breathe in __________ liters of air.
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A. 10,000 to 15,000

B. 15,000 to 20,000

C. 5,000 to 10,000

D. 20,000 to 25,000

174. Most of the ozone in the atmosphere is concentrated in the _____________?
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A. Stratosphere

B. Troposphere

C. ionosphere

D. Mesosphere

175. A light year is a unit of ?
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A. Length

B. Time

C. Energy

D. Mass

176. Which from the following is true for Sound?
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A. Sound cannot travel through a vacuum

B. Sound cannot travel through solids

C. Sound cannot travel through liquids

D. Sound cannot travel through gases

177. Radioactive isotope of Uranium used in Nuclear Bomb is ?
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A. 2 U 235

B. 92 U 238

C. 92 U 233

D. 2 U 234

178. Meteorology is the study of?
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A. Atmosphere

B. Air and sounds

C. Seasons

D. Winds and clouds

179. Bronze medal is made up of metals ?
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A. copper, silver

B. copper, tin

C. copper, zinc

D. copper,nickel

180. The gas, commonly known as laughing gas, is
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A. Sulfur Dioxide

B. Nitrous Oxide

C. Sodium Oxide

D. Carbon Dioxide

181. Which woody raw material is used for the manufacture of paper pulp?
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A. Cotton

B. Rice straw

C. Bagasse

D. Poplar
182. Which of the following atmospheric layers help in radio communication?
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A. Troposphere

B. Exosphere

C. Ozone layer

D. Stratosphere

E. Ionosphere
183. Dolly is the name of the ?
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A. First test-tube baby

B. First cloned sheep

C. First human fossil

D. First cloned monkey

184. Basic metals can be converted into gold by ?
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A. Artificial nuclear radioactivity

B. Chemical reaction

C. Heating

D. Beating

185. Which is the largest gland in the human body?
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A. Pancreas

B. None of these

C. Thyroid

D. Liver
186. Which of the following vitamins promote healthy functioning of eyes in human beings?
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A. Vitamin C

B. Vitamin D

C. Vitamin A

D. Vitamin B

187. At night, Plants intake __________ and release __________?
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A. None of theseCarbon monoxide Oxygen

B. Oxygen Carbon dioxide

C. Oxygen Carbon monoxide

D. Carbon dioxide Oxygen

188. What is the average adult pulse rate?
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A. 72-80

B. 60

C. 115-125

D. 140-150

189. Addisons disease is caused by the deficiency of____________?
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A. Adrenocorticotrophic Harmone

B. Antiduretic Harmone

C. Melanophore stimulating Harmone

D. Luteinising Harmone

190. The planet that moves round the Sun at the highest speed is_________?
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A. Jupiter

B. Mercury

C. Mars

D. Venus

191. Water has maximum density at____________?
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A. 0C

B. 4 K

C. 4C

D. 4.8C

192. Which of the following elements is not present abundantly in earths crust ?
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A. Carbon

B. Aluminum

C. Silicon

D. Radium
193. The most splendid and the most magnificent constellation on the sky is?
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A. Canis Major

B. None of these

C. Columbia

D. Taurus

E. Orion
194. Which is the largest organ in the human body?
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A. Skin

B. Heart

C. Kidney

D. Liver

195. An instrument to detect the purity of milk is____________?
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A. Lactometer

B. Sonometer

C. Hygrometer

D. Manometer

196. The position of earth in its orbit, when it is at its greatest distance from the sun causing northern summer is called ___________?
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A. Apogee

B. None of these

C. Aphelion

D. Perihelion

E. Perigee

197. When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is _________?
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A. Invisible

B. Visible

C. opaque

D. Transparent

E. None of these

198. The SI unit of pressure is _________.
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A. henry

B. pascal

C. tesla

D. joule

199. The density of water is __________?
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A. 1.5 g/cm<sup>3</sup>

B. 2 g/cm<sup>3</sup>

C. 1 g/cm3

D. none of these

200. Chemical name of vinegar is _____________?
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A. Calcium

B. Sodium Nitrate

C. Chloride of lime

D. Dilute acetic acid