Biology
A series of hypothesis supported by the results of many tests is called ?
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Vitamin A deficiency causes ______ in human body:
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Radiations are harmful as it:___________?
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Sum of all ecosystems is classified as___________?
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Out of 92 naturally occurring chemical elements how many are considered as bio-elements?
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Main stimulant in tea:?
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Which of the following are cold-blooded animals________________?
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The fungus belonging to order Erysiphales causes________________?
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Who first pioneered the idea of a blood bank?
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