everyday science MCQs – Page 8

Practise multiple-choice questions from everyday science for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

everyday science Mcqs
141. The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use ?
comments icon0

A. super sonic

B. Ultrasonic

C. None of these

D. Infrared waves

E. red waves

142. The number of spark plugs needed in a diesel engine is__________?
comments icon0

A. 4

B. 3

C. 0

D. 2

E. None of these

143. Diamond is an allotropic form of_______?
comments icon0
A. Carbon

B. Nitrogen

C. Silicon

D. Hydrogen

144. Founder of modern astronomy was _________________?
comments icon0

A. None of these

B. Michael Faraday

C. William Gilbert

D. Archimedes

E. Nicolas Copernicus
145. Role of biotechnology in the production of food based on ___________?
comments icon0

A. None of these

B. Fermentation

C. Digestion

D. Decomposition

E. Respiration

146. The theory of Expanding Universe was first propounded by____________?
comments icon0

A. Newton

B. Gahleo

C. Einstein

D. Hubble
147. Where do most of Asteroids lie?
comments icon0

A. In asteroid belt between the orbits of Jupiter and Venus

B. None of these

C. In asteroid belt between the orbits of Mars and Venus

D. Everywhere in the sky

E. In asteroid belt between the orbits of Mars and Jupiter
148. The energy value of food is measured in_______?
comments icon0
A. Calories

B. Joule

C. Proteins

D. Tesla

149. Parsec is a unit of ___________?
comments icon0
A. Distance

B. Energy

C. Time

D. None of these

E. Power

150. The largest part of the human brain is ___________?
comments icon0

A. None of these

B. Cerebellum

C. Cerebrum

D. Medulla oblongata

151. The source of oxygen in photosynthesis is
comments icon0

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____________ ?
comments icon0
A. Ionosphere

B. Stratosphere

C. Mesosphere

D. None of these

E. Troposphere

153. The SI unit of charge is __________?
comments icon0

A. Ohm

B. Volt

C. Ampere

D. Coulomb
154. The good sources of Vitamin-C are________?
comments icon0

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 ?
comments icon0

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 ?
comments icon0

A. Sponge

B. Rubber

C. Steel

D. Glass

E. None of these

157. Yeast is used in making bread because it produces____________?
comments icon0
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?
comments icon0

A. A

B. O

C. AB

D. B

159. Lactometer is a type of Hydrometer which is used to measure the specific gravity of _________?
comments icon0

A. Water

B. None of these

C. Honey

D. Milk

E. olive oil

160. Sedimentary rocks are__________?
comments icon0
A. Porous

B. Rough

C. Volcanic

D. Brittle

E. Hard