MHT CET Biology question

Which one of the following is the correct sequence of chemical substances produced during the origin of life on the earth? [CBSE PMT 1996, AIEEE 2004]

(A)Water, amino acids, nucleic acid and enzymeCorrect
(B)Glucose, amino acid, nucleic acid and protein
(C)Amino acid, ammonium phosphate and nucleic acid
(D)Ammonia, amino acid, protein and nucleic acid

Answer: (A)

Solution

Chemical evolution proceeds from simple molecules like water to amino acids, then nucleic acids and enzymes; options (b) and (c) contain substances such as

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Question ID VK-067443