Related Questions

In a sample of 50 people, 19 had type O blood, 22 had type A blood, 7 had type B blood and 2 had type AB blood. If a person is selected randomly, find the probability that the person has neither type A nor type O blood?
An individual whose blood type is B may in an emergency, donate blood to a person whose blood type is
Person having blood group 'B' can donate the blood to person having blood group
A man whose blood group is not known meet with a serious accident and needs blood transfusion immediately. Which one of the blood group mentioned below and readily available in the hospital will be safe for transfusion?
Filtration of blood takes place in
Zone refining is used for the purification of
Which of the following retards the self purification of stream?
Muddy water is treated with alum in purification process, it is termed as :
Ultra purification of a metal is done by :
The factor responsible for purification of sewage in river is