List of top Biochemistry Questions asked in CBSE Class XII

Define the following term: Glycosidic linkage.

Differentiate between the following:
(i) Acidic amino acids and basic amino acids
(ii) Nucleotide and Nucleoside

Define the following term: Anomers.

Define the following term: Invert sugar.

Assertion (A): The two strands of DNA are complementary to each other.
Reason (R): The hydrogen bonds are formed between specific pairs of bases.

An example of non-reducing sugar is

Differentiate between the following:

(i) Peptide linkage and Glycosidic linkage

(ii) Essential amino acids and Non-essential amino acids

Assertion (A): The pentaacetate of glucose does not react with \(H_2N-OH\).
Reason (R): It indicates the presence of free −CHO group in glucose.

The deficiency of which of the following vitamins causes increased fragility of red blood cells and muscular weakness?