A. Scatters blue light
B. Reflects blue light
C. Transmits blue light
D. Has actual blue cover
Show AnswerAnswer= Option A
Environmental Science
When water is filled in a bottle and is allowed to freeze, the bottle breaks because
A. Water expands on freezing
B. Bottle contracts at freezing point
C. temperature outside the bottle is less than that inside the bottle.
D.all these above
Show AnswerAnswer= Option A
Copper is used in the production of___________?
A. Brick kilns
B. Children toys
C. Kitchen utilities
D. Electric wires
Show AnswerAnswer= Option D
It is a secondary plant nutrient?
A. Nitrogen
B. Phosphorus
C. Sulphur
D. none
Show AnswerAnswer= Option C
The severity of 2005 earthquake in Pakistan on Richter scale was ?
A. 6.9
B. 7.6
C. 7.1
D. none
Show AnswerAnswer= Option B
The unit to measure the quantity of Ozone in atmosphere is?
A. Dobson
B. Dalton
C. Cuolomb
D. none
Show AnswerAnswer= Option A
Atom is made up of____________different kinds of subatomic particles:
A. Three
B. Two
C. Four
D. None
Show AnswerAnswer= Option A
He was the first scientist to prove that Planets move around the sun?
A. Archimedes
B. Galileo Galilei
C. John Kepler
D. None
Show AnswerAnswer= Option B
The earth’s ___________ is divided into 15 major plates of various sizes
A. Mesosphere
B. Stratosphere
C. Lithosphere
D. None
Show AnswerAnswer= Option C
A body can escape the gravitational pull of the earth if it is thrown up with a velocity of?
A. 25 miles per sec
b ) 60 miles per sec
C. 7 miles per sec
D. 10 miles per sec
E. None of these
Show AnswerAnswer= Option C