Biomolecules — practice questions
52 curated practice questions from Biomolecules (Chemistry Class 12, CBSE) — 52 easy. Every question includes the final answer free; step-by-step worked solutions with a free account.
- Which reagent is used to convert glucose into saccharic acid?
- Glycogen, a naturally occurring polymer stored in animals is a
- Which of the following diseases is caused by deficiency of an enzyme?
- The peptide linkage formed between glycine (NH 2 CH 2 COOH) and alanine to give glycylalanine can be shown as
- Match the vitamins given in column I with the deficiency diseases caused by it given in column II and mark the…
- The glycosidic linkage involved in linking the glucose units in amylose part of starch is
- Five-membered ring structures of fructose are given below. Mark the incorrect statement.
- A compound which contains both ................ and ................ is called amino acid. The amino acids in…
- During acetylation of glucose it needs x moles of acetic anhydride. The value of x would be
- Which of the following diseases is not correctly matched with the vitamins mentioned with it?
- On oxidation with a mild oxidising agent like Br 2 /H 2 O, the glucose is oxidised to
- Which of the following is not a function of proteins?
- Match the sugars in column I with their types given in column II and mark the appropriate choice. Column I Column II…
- Which compound can exist in a dipolar (zwitter ion) structure?
- Optical rotations of some compounds alongwith their structures are given below. Which of them have D-configuration?
- In the following question, a statement of assertion is followed by a statement of reason. Mark the correct choice…
- Which one of the amino acids can be synthesised in the body?
- Match the name of vitamins in column I with their sources in column II and mark the appropriate choice. Column I Column…
- Amino acids generally exist in the form of Zwitter ions. This means they contain.
- Match the column I with column II and mark the appropriate choice. Column I Column II (A) Peptide linkage (i) Inversion…
- Which of the following is not produced by human body?
- Which of the following compounds is found abundantly in nature?
- In the following question, a statement of assertion is followed by a statement of reason. Mark the correct choice…
- In the following question, a statement of assertion is followed by a statement of reason. Mark the correct choice…
- Amino acids are classified as acidic, basic or neutral depending upon the relative number of amino and carboxyl groups…
- Which of the following reactions could not be explained on the basis of open chain structure of glucose?
- Vitamin C must be supplied regularly in diet because
- Which one of the following statements is not true regarding (+) lactose?
- Match the column I with column II and mark the appropriate choice. Column I Column II (A) Nucleoside (i) Sugar + base +…
- In the following question, a statement of assertion is followed by a statement of reason. Mark the correct choice…
- Which one of the following sets of monosaccharides forms sucrose?
- In fibrous proteins, polypeptide chains are held together by
- Vegetable oils like wheat germ oil, sunflower oil etc. are the good source of
- Carbohydrates are stored in human body as the polysaccharide
- Glycogen is a branched chain polymer of a -D-glucose units in which chain is formed by C1 — C4 glycosidic linkage…
- Which of the following is not true about amino acids?
- The conversion of maltose into glucose is possible by the enzyme
- Which type of interactions are responsible for making the a -helix structure stable?
- The melting points of amino acids are higher than the corresponding halo-acids because
- Which of the following is an example of an aldopentose?
- Most common types of secondary structures of proteins are
- Match the column I with column II and mark the appropriate choice. Column I Column II (A) Pentose sugar in DNA (i)…
- On boiling the egg, what structural changes are taking place in the egg white?
- Study the structures of a -D - (+) glucopyranose and b -D - (+) glucopyranose and mark the correct statement. array l I…
- Match the polymers given in column I with the type of linkage present in column II and mark the appropriate choice…
- Study the structure of maltose and mark the incorrect statement.
- Denaturation of protein leads to loss of its biological activity by
- Cellulose present in plants and as a food for cattle but not for human beings because
- The given structures (I) and (II) represent configuration of the simplest sugar glyceraldehyde. Which of the following…
- The number of amino acids found in proteins that a human body can synthesise is
- A unit in nucleic acid which contains ‘base-sugar phosphate’ unit is called
- Vitamin B 2 , a water soluble vitamin is also known as