Which instrument converts chemical energy to electrical energy?
A. moving-coil meter
B. generator
C. motor
D. battery
Which lens is used in a camera?
A. condenser lens
B. concave lens
C. convex lens
D. none of these
Using which substance is ice melted?
A. Carbon dioxide
B. Chlorine
C. Salt
D. Water
Which planet can be seen easily from the Earth?
A. Mars
B. Venus
C. Mercury
D. Jupiter
In which part of the food’s digestion is completed?
A. stomach
B. large intestine
C. Small intestine
D. Liver
Is vitamin c obtained from _____?
A. fresh vegetables and fruits
B. seeds
C. Green leafy vegetables
D. seafoods
10 –13 kph speed of wind may cause?
A. Severe damage
B. considerable damage
C. Minor or no damage
D. extreme damage
What is the speed of a clock which has a speed equal to the speed of light?
A. equal to the velocity of light
B. slow
C. Fast
D. with zero velocity
Who was the writer of the book named Al–Qanun?
A.Abu Ali Sina
B. Zakariya Al – Razi
C. Jabar bin Hayyan
D. Abdul Qasim Majreeti
Which one of the following DNA codes for valine?
A. CAT
B. CTT
C. AAT
D. None of these