Objective Questions in General Science - 01 Dec 2014

1. Who was the first scientist to be awarded two Nobel Prizes?
[A]John Bardeen
[B]Linus Pauling
[C]Marie Curie
[D]Frederick Sanger


2. Who among the following is best known for his discovery and development of the first safe and effective polio vaccine?
[A]David Bodian
[B]Jonas Salk
[C]Almroth Wright
[D]Albert Sabin


3. What provides the energy to light a light bulb?
[A]Energy field
[B]Magnetic field
[C]Circuit board
[D]Electricity source


4. When light bounces off a smooth, shiny surface, what process has occurred?
[A]Refraction
[B]Reflection
[C]Transmission
[D]Photosynthesis


5. Why does blowing into a trumpet make sound?
[A]The trumpet causes the air to vibrate
[B]The trumpet heats the air
[C]The air in the trumpet is cooled
[D]The trumpet reflects the air