Name the scientist who first declared that the earth revolves around the sun.
Which of the following in the human body is affected by Leukemia?
Through which organ does a fish respire?
Which lenses are used by the people having short - sightedness?
What type of machine was ENIAC, built in 1946?
Which is the hardest substance in the human body?
Who invented Zero?
Which vitamin is available to the human body through sun bathing?
Which branch of Medical Science deals with skin?
Which instrument is used to measure the density of milk?
