Every Day Science MCQS 141 TO 160

Every Day Science MCQS 141 TO 160


141- The planet of the solar system which has maximum numbers of Moon is:

a) Jupiter
b) Venus
c) Saturn
d) Uranus
e) None of these

142. Sun is a:

a) Planet
b) Comet
c) Satellite
d) Aurora
e) None of these

143. the age of the solar system is

a) 4.5 billion years
b) 5.5 billion years
c) 6.5 billion years
d) 7.5 billion years
e) None of these

144. A unit of length equal to the average distance between the earth and sun is called

a) Light year
b) Astronomical unit
c) Parsec
d) Parallax
e) None of these

145. An eclipse of the sun occurs when

a) The moon is between the sun and the earth
b) The sun is between the earth and the moon
c) The earth is between the sun and the moon
d) The earth casts its shadow on the moon
e) None of these

146. The ozone layer protects the earth from rays sent by the sun:

a) Ultraviolet rays
b) Infrared rays
c) Gamma rays
d) radioactive rays
e) None of these

147. The ozone layer is present about 30miles (50km) in atmosphere above earth. The stratum (layer) of atmosphere in which ozone layer lies is called as:

a) Exosphere
b) Mesosphere
c) Stratosphere
d) ionosphere
e) Troposphere

148. Which rocks are formed by the alteration of pre-existing rocks by great heat or pressure

a) Igneous rocks
b) Sedimentary rocks
c) Metamorphic rocks
d) Acid rocks
e) Basic rocks

149. The most abundant natural Iron oxides are

a) Magnetite and Pyrite
b) Magnetite and Bauxite
c) Hematite and Pyrite
d) Hematite and Magnetite
e) Hematite and Bauxite

150.The most abundant elements in sea water are

a) Sodium and Potassium
b) Sodium and Calcium
c) Sodium and Chlorine
d) Chlorine and Iodine
e) Magnesium and Sulphur

151. An electric current can produce

a) Chemical effect
b) Magnetic effect
c) Heating effect
d) All of these three
e) None of these

152. The unit of home electricity energy consumption is:

a) Watt hour
b) Kilowatt hour
c) Joule hour
d) Kilojoule hour
e) None of these

153. The magnet always points in the same direction, if move freely i.e. towards north and south poles, because of:

a) Gravitational field
b) A lot of metals deposits on north and south poles
c) Due to attraction of north pole and repulsion of Western pole
d) Earth is a huge magnet
e) None of these

154. When sound is reflected from floor, ceiling or a wall , it mixes with the original sound and change its complexion, it is called as

a) Sound
b) Echo
c) Reverberation
d) noise
e) None of these

155. the speed of sound in dry air at 20 C is about

a) 130 meters per second
b) 230 meters per second
c) 330 meters per second
d) 430 meters per second
e) None of these

156.The of light in vacuum is about

a) 300 Million meters per second
b) 300 Million meters per hour
c) 300 Million kilometers per second
d) 300 Million kilometers per hour
e) None of these

157. The time light takes from Sun to reach Earth is:

a) 8 minutes
b) 25 minutes
c) 45 minutes
d) 60 minutes
e) None of these

158. Light from Sun travels a distance before it reaches Earth:

a) 50 Million Km
b) 100 Million Km
c) 150 Million Km
d) 200 Million Km
e) None of these

159. the most suitable thermometer for measuring the boiling point of water is:

a) Mercury thermometer
b) Alcohol thermometer
c) Bimetallic thermometer
d) Liquid crystal thermometer
e) None of these

160. The density of water is greatest at:

a) 32°C
b) 0°C
c) 4°C
d) 100°C
e) None of these

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