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Everyday Science Mcqs

The rear view mirror of a motor vehicle is ________

  • (A)  Concave
  • (B)  Plane
  • (C)  Convex
  • (D)  Biconcave
Submitted By :Ali Uppal


The primary function of the feathers in birds is to _________

  • (A)  Provide insulation for preserving body heat
  • (B)  Provide striking surface to the wings for flying
  • (C)  Make the body surface waterproof
  • (D)  impart coloration for species as well as sex recognition
Submitted By :Ali Uppal


What is Stealth Technology

  • (A)  A device which when attached to an aircraft makes it invisible on the radar
  • (B)  A coating which reduces the visibility of an aircraft on radar
  • (C)  A Technology by which it is possible for the aircraft’s to spy in the enemy air-space
  • (D)  A technology by using which paratroopers can be dropped stealthily behind the enemy columns.
Submitted By :Ali Uppal


Bats can also fly in dark because they are capable of taking the help of _________

  • (A)  Ultraviolet Waves
  • (B)  Ultrasonic Waves
  • (C)  Electromagnetic Waves
  • (D)  Special Retina
Submitted By :Ali Uppal


The Green House Effect is caused by an excess of

  • (A)  Carbon dioxide
  • (B)  Carbon monoxide
  • (C)  Carbon tetrachloride
  • (D)  None of the above
Submitted By :Ali Uppal


TV transmission cannot cover a very large area because

  • (A)  the strength of T.V. waves is very limited
  • (B)  picture cannot be transmitted clearly after a specific distance
  • (C)  the shape of the earth is spherical
  • (D)  the air is not a good conductor of light and sound/waves
Submitted By :Ali Uppal


Submitted By :Ali Uppal


Most of the ozone in the atmosphere is concentrated in the _____________

  • (A)  Mesosphere
  • (B)  Troposphere
  • (C)  Stratosphere
  • (D)  ionosphere
Submitted By :Ali Uppal


An iceberg is floating in sea How much of its mass will remain above the surface of water

  • (A)  One tenth
  • (B)  One fifth
  • (C)  One fourth
  • (D)  One third
Submitted By :Ali Uppal


An astronaut inside a spacecraft is in a state of weightlessness This implies that

  • (A)  The mass of the astronaut is reduced to zero
  • (B)  Gravity inside the spacecraft ceases to act
  • (C)  The astronaut is outside the influence of the earth’s gravitational force
  • (D)  The astronaut and the spacecraft are both in a free-failing state
Submitted By :Ali Uppal