Objective Type Questions with Answers | General Science | 28 May 2014

1. Which inert gas is substituted for nitrogen in the air and is used by deep sea divers for breathing?
[A]Argon
[B]Helium
[C]Xenon
[D]Krypton


2. What is the average salinity of sea water?
[A]3.5%
[B]0.03
[C]4%
[D]0.02


3. Who is known as the Father of Aeronautics?
[A]Georges Claude
[B]Aldrin
[C]Sir George Cayley
[D]Isaac Singer


4. Non stick cooking utensils are coated with _________.
[A]Teflon
[B]Black Acrylic coating
[C]Polystyrene
[D]PVC


5. What are carbon, diamond and graphite together called?
[A]Isomers
[B]Isotopes
[C]Isomorphs
[D]Allotropes