Who among the following is the inventor of a system of writing and printing for the blind?
- (A) Robert Wilhelm Bunsen
- (B) Louis Braille
- (C) Sir Humphery Davy
- (D) Christian Huygens
- (B) Louis Braille
The idea of Civil Defense Organization was first emerged during:
- (A) First World War
- (B) Second World War
- (C) Cold War
- (D) Post-Cold War
- (A) First World War
Which is the brightest planet in our solar system?
- (A) Moon
- (B) Venus
- (C) Mars
- (D) Mercury
- (B) Venus
Day and night are the result of Earth’s:
- (A) Rotation around its axis
- (B) Revolution
- (C) Rotation accompanied with its revolution
- (D) Inclination towards the Sun
- (A) Rotation around its axis
Who first discovered that the earth revolves around the Sun?
- (A) Newton
- (B) Dalton
- (C) Copernicus
- (D) Einstein
- (C) Copernicus
During the day time plants give out:
- (A) Carbon dioxide
- (B) Nitrogen
- (C) Oxygen
- (D) Hydrogen
- (C) Oxygen
The most abundant element in the Earth’s atmosphere is:
- (A) Argon
- (B) Nitrogen
- (C) Oxygen
- (D) Krypton
- (B) Nitrogen
Autopsy is connected with:
- (A) Post-mortem
- (B) Study of living cells
- (C) Cancer
- (D) Tissues of brain
- (A) Post-mortem
Age of trees can be determined by counting the number of:
- (A) Branches
- (B) Leaves
- (C) Rings in stem
- (D) Roots
- (C) Rings in stem
Who is known as the “Father of Geometry”?
- (A) Kepler
- (B) Euclid
- (C) Pythagoras
- (D) Newton
- (B) Euclid