OBJECTIVE LIFE SCIENCE
MOLECULAR BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The artificial production of which substance (normally produced by living organisms) helped disprove vitalism?
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urea
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urine
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uric acid
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ammonia
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Explanation:
Detailed explanation-1: -Falsification of theories: the artificial synthesis of urea helped to falsify vitalism. Urea was discovered in urine in the 1720s and was assumed to be a product of the kidneys. At that time it was widely believed that organic compounds in plants and animals could only be made with the help of a “vital principle”.
Detailed explanation-2: -Friedrich Wöhler was a renowned German chemist who is best known the synthesis of urea, an organic compound, from ammonium cyanate, an inorganic salt, thus disproving the theory of ‘vitalism’, that organic substances can only be produced from living things.
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