Acids have a pH value that is _________. Greater than 7 Less than 7 Greater than 9 The human alimentary canal is about ______ metres in length. 9 10 16 The process of Immunization develops ________ . Natural Immunity Passive Immunity Artificial Immunity Beri-beri occurs due to vitamin ___________ deficiency. B k B1 Dental amalgam is an alloy of mercury with silver and ______ metals. Tin Iron Bronze Which of the following organisms are first order consumers? Omnivores Carnivores Herbivores Haematite is an ore of _______. Tin Iron Copper _________ is an example of fossil fuel. Coal Gold Copper Ronald Ross was awarded the Nobel prize for his work on __________. AIDS Polio Malaria A(H1N1) virus causes ____________. Salamander Monkey Frog You got out of 10 correct. The correct answers are
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