Which type of pathogen causes the waterborne disease HepatitisA?
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The color of human skin depends upon
Which of the following animals do NOT belong to the class of reptiles?
Which vaccine is primarily used against tuberculosis?
Land covers about ______ of the earth's surface.
In which of the following case, law of demand fails?
National Income refers to ___________
Which of the following Article of Indian Constitution deals with the Right to Equality before Law?