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Biomolecules — BITSAT Chemistry PYQs

26 previous year questions from Biomolecules with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

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Biomolecules — BITSAT Chemistry PYQs

Cheilosis and digestive disorders are due to deficiency of

A tetrapeptide is made of naturally occuring alanine, serine, glycine and valine. If the C -terminal amino acid is alanine and N -terminal amino acid is chiral, the number of possi

Which one of the following is a water soluble vitamin, that is not excreted easily?

Glycosidic linkage between C₁ of -glucose and C₂ of -fructose is found in

The naturally occurring amino acid that contains only one basic functional group in its chemical structure is

Thiamine and pyridoxine are also known respectively as :

The helical structure of protein is stabilized by

Glucose reacts with X number of molecules of phenyl hydrazine to yield osazone. The value of X is,

Which of the following acts as an antioxidant in edible oils?

An organic compound with the formula C ₆ H ₁₂ O ₆ forms a yellow crystalline solid with phenylhydrazine and gives a mixture of sorbitol and mannitol when reduced with sodium. Which

Compounds I and II may be grouped as

The correct statement about the following disaccharide is-

If one strand of DNA has sequence ATCGTATG , the sequence in the complementary strand would be

In non-reducing disaccharide, the reducing group of monosaccharides i.e. aldehydic or ketonic group are bounded. Which of the following disaccharide is a non-reducing sugar?

The night-blindness is developed due to deficiency of vitamin

The transfer RNA anticodon for the messenger RNA codon G - C - A is

Fructose on reduction gives a mixture of two alcohols which are related as

The metal present in vitamin B ₁₂ is

A sequence of how many nucleotides in messenger RNA makes a codon for an amino acid?

Starch can be used as an indicator for the detection of traces of

Which statement is incorrect about peptide bond?

The helical structure of protein is stabilised by

Complete hydrolysis of cellulose gives

The structural feature which distinguishes proline from natural -amino acids?

The secondary structure of a protein refers to

Which of the following statements about vitamin B-12 is incorrect?