AIPMT-PRELIMS Chemistry Biomolecules Class 12 Questions

Deficiency of vitamin B₁ causes the disease

Which one of the following statements is incorrect about enzyme catalysis?

Which one of the following sets of monosaccharides forms sucrose?

Given below is the diagrammatic representation of one of the categories of small molecular weight organic compounds in the living tissues. Identify the category shown and the one blank component “X” in it.

Which one of the following statements is not true regarding (+) Lactose?

Which one of the following structural formulae of two organic compounds is correctly identified along with its related function?

Which one of the following does not exhibit the phenomenon of mutarotation?

In DNA, the complementary bases are -

A competitive inhibitor of succinic dehydrogenase is :

RNA and DNA are chiral molecules, their chirality is due to

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:

The human body does not produce :

Which one of the following is a peptide hormone?

Which functional group participates in disulphide bond formation in proteins?

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

The hormone that helps in the conversion of glucose to glycogen is :-

Which one of the following structures represents the peptide chain :-

Number of chiral carbons in β–D–(+)– glucose is :-

The helical structure of protein is stabilized by:-

The enzyme which hydrolysis triglycerides to fatty acids and glycerol is called :-

Phospholipids are esters of glycerol with:

Cellulose is polymer of :-

Enzymes are made up of :-

Which is not true statement :-

Lipids are insoluble in water because lipids molecules are :-

Which of the following is correct about H⁻bonding in nucleotide:

Which is correct statement:

$-\overset{\substack{\text{O} \\ ||}}{\text{C}} - \ddot{\text{N}}\text{H}- \text{ (peptide bond)}$which statement is incorrect about peptide bond : -

α-D⁻glucose and β-D⁻glucose are:

Which one is responsible for produce energy in bio reaction:

Mg is present in :

Essential amino acid is :

Which of the following have carbohydrate as prosthetic group :

Proteoglycan in cartilages which is part of polysaccharide :