ICSE Class 10 Biomolecules — Mock Test

Free online mock test for Biomolecules (ICSE Class 10 Zoology) — 74 competency-based questions with instant marking. Try the samples below, then take the full test free.

Sample questions

1. 1.Assertion (A): A protein is a heteropolymer and not a homopolymer. Reason (R): A protein is a polymer built from as many as 20 different types of amino acids.
   • A.Both A and R are true and R is the correct explanation of A
   • B.Both A and R are true but R is NOT the correct explanation of A
   • C.A is true but R is false
   • D.A is false but R is true
2. 2.When the relative abundance of elements is compared, which elements are present in higher relative abundance in living organisms than in earth's crust?
   • A.Carbon and hydrogen
   • B.Silicon and calcium
   • C.Sodium and magnesium
   • D.Aluminium and potassium
3. 3.Which is the most abundant chemical in living organisms?
   • A.Water
   • B.Proteins
   • C.Carbohydrates
   • D.Lipids
4. 4.Enzymes that catalyse the linking together of two compounds by joining C-O, C-S, C-N or P-O bonds belong to which class?
   • A.Ligases
   • B.Lyases
   • C.Isomerases
   • D.Hydrolases
5. 5.Assertion (A): Amino acids found in proteins are called alpha-amino acids. Reason (R): In these amino acids the amino group and the acidic group are substituents on the same carbon, the alpha-carbon.
   • A.Both A and R are true and R is the correct explanation of A
   • B.Both A and R are true but R is NOT the correct explanation of A
   • C.A is true but R is false
   • D.A is false but R is true