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CSS Past Papers
Every Day Science 2012 - 3
1.
Phosphorus is an essential component of one of the following biological molecules:
Amino acids
Nucleic acids
Carbohydrates
None
2.
He was the first scientist to prove that plants move around the sun:
Archimedes
Galileo Galilei
John Kepler
None
3.
Atom is made up of ........... different kinds of subatomic particles:
Three
Two
Four
None
4.
Uranium is best used as nuclear fuel in one of the following forms:
U 235
U 237
U 238
None
5.
The alpha particles are compact clusters of:
Electron and Proton
Two Protons and two Neutrons
Three protons and three Neutrons
None
6.
The Beta particles are fast moving
Protons
Electrons
Neutrons
None
7.
One of the following countries produces maximum energy from atomic reactors:
France+ (80% from its Nuclear Reactors)
USA
UK
none
8.
The unit to measure the quantity of Ozone in atmosphere is
Dobson
Dalton
Cuolomb
none
9.
Geiger-Muller counter is used to detect:
Protons
Neutrons
Photons
none
10.
The severity of 2005 earthquake in Pakistan on Richter scale was
6.9
7.6
7.1
none
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