The Ozone Layer thins down as a result of a chain chemical reaction that separates from the layer
Oxygen
Chlorine
Nitrogen
Nitrogen
Joint SAARC University of eight SAARC Nations has been established in
Colombo
Dhaka
Kathmandu
Kathmandu
Which country recently produced the world's first cloned rabbit using a biological process that takes cells from a fetus?
U.K.
China
U.S.A.
U.S.A.
Which one of the following Vitamins is responsible for blood clotting?
Vitamin A
Vitamin E
Vitamin C
Vitamin C
Galvanometer is an instrument to measure
relative density of liquids
electic currents
pressure of gases
pressure of gases
