General Science & Ability MCQs 2017

The stone used in whitewash is:
A) Limestone
B) Sandstone
C) Granite
D) None of these

Radar receives waves called:
A) Electromagnetic waves
B) Mechanical waves
C) Radio waves
D) None of these

Plaster of Paris is obtained from:
A) Brochantite
B) Gypsum
C) Chalcanthite
D) None of these

Phosphorus helps plant growth of:
A) Leaves
B) Seeds
C) Roots
D) None of these

The blue color of the sky is due to:
A) Rayleigh scattering
B) Mie scattering
C) Sky saturation
D) None of these

Newspaper can be recycled:
A) 5 to 7 times
B) 5 times
C) 4 times
D) None of these

Blood clotting happens in which part of the human body?
A) Veins
B) Heart
C) Brain
D) None of these

The lens used to correct short-sightedness is:
A) Concave polygon
B) Concave prescription lenses
C) Concave mirror
D) None of these

The catalyst to convert oil into ghee is:
A) Nickel
B) Aluminum isopropoxide
C) Phosphonium borate
D) None of these

The gas used for artificial ripening of green fruit is:
A) Ethylene
B) Ethane
C) Carbon dioxide
D) Acetylene