The answers of questions marked with * are subject to change with time

  • For the optimum operation of GPS, an input from ______ satellites is required.

A. 1
B. 2
C. 3
D. 4

  • ♦ Credit To: Sher Jahan ♦

  • Banaspati Ghee, commonly used in Pakistan is produced by hydrogenation (addition of H2 gas) of:

A. Corn Oil
B. Soyabean Oil
C. Butter
D. Palm Oil


Palm oil contains about 44% Palmitic acid and 10%-40% trans-fatty acid.

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  • The device that reduces the harmful emissions from cars is called:

A. Resistor
B. Catalytic Converter
C. Transistor
D. Capacitor

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  • Optical Fiber system is used in:

A. Telecommunication system
B. Eye operation
C. Air raid system
D. Defense system

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  • The functioning of a loudspeaker depends upon its:

A. Size
B. Shape
C. Size and shape
D. None of these

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  • The velocity of sound in the air per second is _______

A. 250 meters
B. 331 meters
C. 434 meters
D. 561 meters

  • ♦ Credit To: Hamza Tariq ♦

  • How many senses a person uses while watching a film?

A. 1
B. 2
C. 3
D. 4

♦ Credit To: Ayesha Mukhtar ♦

  • Isotopes are atoms of the same element with a different number of 

A. Protons
B. Electrons
C. Neutrons
D. Positrons


  • Echoes are produced by the ______ of sound waves 

A. Reflection
B. Refraction
C. Polarization
D. Interference

♦ Credit To: Saad Bin Aziz ♦

  • The 3 Laws of Motion were propounded by:

A. Blaise Pascal (a French mathematician & physicist)
B. Issac Newton (a British mathematician, astronomer & physicist)
C. Albert Einstein (a German physicist)
D. Galileo Galilei (an Italian philosopher)

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