A. Wisdom tooth
B. Pinna
C. Eyelids
D. None of these
Everyday Science
Number of Neutrons in Hydrogen:
A. 0
B. 3
C. 5
D. 7
How many Neutrons in Hydrogen:
A. 0
B. 3
C. 4
D. 5
Which planet revolves in clockwise rotation around sun and seen from earth?
A. Saturn
B. Venus
C. Neptune
D. Mercury
Which plant category does not produce flowers:
A. Ferns
B. Cryptogams
C. Shrubs
D. Aquatic
Unit of gas bill is:
A. BTU
B. Kelvin
C. Candela
D. Mole
Ice floats on water because of:
A. Pressure
B. Density
C. Both A & B
D. Velocity
It is not advisable to sleep under a tree at night because of the release of:
A. Carbon dioxide
B. Nitrogan
C. More oxygen
D. Less oxygen
When water freezes, the volume of water increases because:
A. Water expands when solidifying
B. Water becomes heavier
C. Ice becomes denser
D. Molecules compress closer
When water freezes, it expands in volume by about:
A. 5%
B. 7%
C. 9%
D. 11%
