Online General Science Quiz - 29 October 2014

1. Which of the following element in the human body/organ makes the main basis of working of the MRI(Magnetic Resonance Imaging)
[A]Calcium
[B]Nitrogen
[C]Hydrogen
[D]Sodium


2. Gypsum is added to the cement so that ________________________.
[A]Setting of cement can be slowed
[B]Setting of cement can be fastened
[C]Cement strength can be improved
[D]Cement strength can be controlled


3. Gun metal is an alloy of which of the following?
[A]Aluminium, Iron and Manganese
[B]Copper, Zinc and Tin
[C]Aluminium, Copper and Chrome
[D]Magnesium and Brass


4. The colour carmine is a shade of which of the following colors?
[A]Yellow
[B]Blue
[C]Red
[D]Green


5. Which of the following is the correct definition of Hematocrit?
[A]Proportion of blood volume that is occupied by white blood cells
[B]Proportion of blood volume that is occupied by red blood cells
[C]Proportion of blood volume that is occupied by Leucocytes and Thromobocytes
[D]Proportion of blood volume that is occupied by plasma