Biomolecules PYQs
All NEET previous year questions from Biomolecules — with explanations.
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Sugar 'X' A. is found in honey. B. is a keto sugar. C. exists in α and β-anomeric forms. D. is laevorotatory. 'X' is :
The reagents with which glucose does not give the corresponding tests/products are: A. Tollen’s reagent B. Schiff’s reagent C. HCN D. NH₂OH E. NaHSO₃ Choose the correct options from the given below:
The incorrect statement regarding enzymes is:
Match List-I with List-II. Choose the correct answer from the options given below.Match List-I with List-II. Choose the correct answer from the options given below.
Which of the following is a basic α amino acid?
Sucrose on hydrolysis gives
Which structure(s) of proteins remain(s) intact during denaturation process?
The artificial sweetener stable at cooking temperature and does not provide calories is
The difference between amylose and amylopectin is
Artificial sweetener which is stable under cold conditions only is:
D(+) glucose reacts with hydroxylamine and yields an oxime. The structure of the oxime would be:
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Fructose reduces Tollen's reagent due to :
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Which one of the following is employed as a tranquilizer?
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Structures of some common polymers are given. Which one is not correctly presented?
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The amino acids H₂N-(CH₂)₅-CH(NH₂)-COOH (lysine) and H₂N-CH(COOH)-(CH₂)₃-COOH (glutamic acid) can form how many different dipeptides?
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Why does alanine migrate towards the cathode when pH is less than its isoelectric point and towards the anode when pH is greater than its isoelectric point?
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Draw the structures for DNA purines?
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During the process of digestion, the proteins present in food materials are hydrolysed to amino acids. The two enzymes involved in the process are respectively:
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The human body does not produce:
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Which one of the following is a peptide hormone?
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Which functional group participates in disulphide bond formation in proteins?
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