Vinegar’s Chemical name is…?
A. Chloride of lime
B. Dilute acetic acid
C. Sodium Nitrate
D. Calcium
Which are the subsequent layers that allows radio transmission?
A. Mesosphere
B. Ionosphere
C. Troposphere
D. Stratosphere
In a nuclear reactor, a moderator is employed to?
A. increase the number of electrons
B. Slow down speed of neutrons
C. Accelerate the neutrons
D. Decrease the number of electrons
Why are two rails attached end to end with a space between them in a railway track?
A. Air gaps are necessary for bearing the weight of running train
B. Accidents because of contraction in winter can be avoided
C. Steel can be saved
D. Accidents because of expansion in summer can be avoided
Unit of parsec is?
A. Power
B. Time
C. Energy
D. Distance
If a body is launched into the air with a velocity of, it can escape the earth’s gravitational pull.
A. 7 miles per sec
B. 60 miles per sec
C. 25 miles per sec
D. 10 miles per sec
Tibia is bone that can be located in which part of body ?
A. Leg
B. Arm
C. Skull
D. Face
Which gland is referred to as the master gland in the human body?
A. Pituitary
B. Thyroid
C. Pancreas
D. Spleen
Leukemia is a condition that affects the ?
A. Skin
B. Blood
C. Lungs
D. Nerves
A peacock’s stunning color patterns in its tail feathers are caused by ?
A. Interference of light
B. Selective reaction of light
C. Selective absorption of light
D. Natural color pattern of feathers