ICSE Class 10 Biomolecules — Mock Test (2027)
Free online mock test for Biomolecules (ICSE Class 10 Zoology) — 74 competency-based questions based on the latest CISCE 2027 syllabus, with instant marking. Try the samples below, then take the full test free.
What to expect: This mock test covers key concepts from the Biomolecules chapter — including application-based and competency-focused questions aligned with how ICSE actually sets the paper.
Tip: Attempt without notes first to identify gaps, then review explanations for any wrong answers. Retake after a few days for best retention.
Sample questions
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1.Which sugar is present in deoxyribonucleic acid (DNA)?
- A.2'-deoxyribose
- B.Ribose
- C.Glucose
- D.Fructose
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2.Which of the following statements about protein structure is INCORRECT?
- A.In proteins, both right handed and left handed helices are equally observed
- B.The first amino acid in a protein is called the N-terminal amino acid
- C.Adult human haemoglobin consists of four subunits, two alpha and two beta
- D.The sequence of amino acids in a protein is called its primary structure
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3.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
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4.Match the nitrogen base to its correct classification: Adenine, Guanine, Cytosine, Thymine.
- A.Adenine-purine; Guanine-purine; Cytosine-pyrimidine; Thymine-pyrimidine
- B.Adenine-pyrimidine; Guanine-pyrimidine; Cytosine-purine; Thymine-purine
- C.Adenine-purine; Guanine-pyrimidine; Cytosine-purine; Thymine-pyrimidine
- D.Adenine-pyrimidine; Guanine-purine; Cytosine-pyrimidine; Thymine-purine
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5.Match the cofactor type with its example: (1) Prosthetic group (2) Coenzyme (3) Metal ion.
- A.Prosthetic group-haem in catalase; Coenzyme-NAD with niacin; Metal ion-zinc in carboxypeptidase
- B.Prosthetic group-NAD; Coenzyme-zinc; Metal ion-haem
- C.Prosthetic group-zinc; Coenzyme-haem; Metal ion-NAD
- D.Prosthetic group-niacin; Coenzyme-haem; Metal ion-succinate
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