General Science Viva Questions with Answers - 11 Sep 2014

1. Which one of the following minerals is found in Monazite Sand?
[A]Potassium
[B]Thorium
[C]Uranium
[D]Sodium


2. In corriander, useful parts are ___________________.
[A]Flowers and dried fruits
[B]Leaves and dried fruits
[C]Roots and leaves
[D]Leaves and flowers


3. The pH of human blood is ________.
[A]6.2
[B]7.4
[C]5.9
[D]7.8


4. Which part becomes modified as the tusk of elephant?
[A]Canine
[B]Second Incisor
[C]Premolar
[D]Molar


5. Optical fibres are based upon the phenomenon of which of the following?
[A]Dispersion
[B]Interference
[C]Total internal reflection
[D]Diffraction