41 Anti-body is a substance that has
Specific capacity of neutralizing a toxin
42 Epidemic is a disease that breaks out over an extensive area in
An infectious manner
43 Acoustics is the science that everything to do with
Sound
44 Taxidermy is the art of
Preserving the animal skin
45 The force that pulls a thing outward while rotating is called
Centrifugal force
46 A man carries a bucket of water in his left hand leans
Towards his right hand
47 Total internal reflection occur when a light passes from
A denser to a rare medium
48 Decible is a measure of
Sound level
49 As the density of a liquid increases the height at which it stands in a barometer tube
Decreases
50 The energy generation in stars is due to
Fusion of light nuclei
