animals
plants
humans
All of the above
Bakelite is a copolymer of Phenol
Ball bearings are used in bicycles, cars, etc., because
Bar is a unit of which one of the following?
Bats can fly in the dark because
Beri -Beri disease is caused by the deficiency of
Bernoulli’s equation pertains to the
Besides CO2, the other green house gas is
Biogradable wastes can usually be converted into useful substances with the help of:
Biological death of a patient means death of tissues of the
Blood group of an individual is controlled by
