The main constituent of Sui Gas is _____.

1. 1. Sui
   2. Methane
   3. Both (a) and (b)
   4. None of these

Whooping cough is caused by _____.

1. 1. Fungus
   2. Bacteria
   3. Virus
   4. Protozoa

In the composition of earth, Oxygen is approximately _____.

1. 1. 40%
   2. 46%
   3. 56%
   4. 58%

Velocity of sound in air per second is _____.

1. 1. 331 meters
   2. 435 meters
   3. 250 meters
   4. 500 meters

Deficiency of Vitamin C in human body leads to _____.

1. 1. Teeth disease
   2. Eye disease
   3. Nerve disease
   4. Skin disease

Quaid-e-Azam resigned from membership of Congress in _____.

1. 1. 1919
   2. 1920
   3. 1921
   4. 1922

Angiography and Angioplasty mean _____.

1. 1. One single process
   2. Plastic surgery
   3. Diagnosis of diabetes
   4. Two different but inter-related processes

A drone can be traced by _____.

1. 1. Laser
   2. Radar
   3. Lap top
   4. Ultrasound waves

Heat of sun-rays to earth is reduced by _____.

1. 1. Oxygen
   2. Ozone
   3. Nitrogen
   4. None of the above

Who invented the printing press?

1. 1. Johann Gutenberg
   2. Marconi
   3. Graham Bell
   4. Thomas Edison