ICSE Class 10

ICSE Class 10 The Endocrine System — Mock Test (2027)

Free online mock test for The Endocrine System (ICSE Class 10 Biology) — 20 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 The Endocrine System 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

  1. 1.The child frightened by the loud noise, runs quickly to his mother. Which substance helps in this response?
    • a.Insulin
    • b.Adrenaline
    • c.Amylase
    • d.Protease
  2. 2.Oxytocin is secreted by
    • 1.Posterior lobe of pituitary
    • 2.Hypothalamus
    • 3.Anterior lobe of pituitary
    • 4.Middle lobe of pituitary
  3. 3.Complete the following table by filling in the blanks from 1 to 10 with appropriate terms:
    S. No.GlandSecretionFunction/Effect on body
    1.Thyroid12
    2.3Vasopressin4
    3.56Promotes glucose utilization by the body cells.
    4.Lacrimal gland78
    5.Adrenal medulla910
  4. 4.Insulin is injected into the body of a highly diabetic patient and is not given orally. Which of the following best explains this practice?
    • A.Insulin is a fat-soluble hormone and cannot be absorbed through the digestive tract.
    • B.Insulin is a protein hormone and would be digested by enzymes in the alimentary tract if given orally.
    • C.Oral insulin causes severe allergic reactions in most diabetic patients.
    • D.Insulin is ineffective when taken orally due to stomach acid neutralizing its effects.
  5. 5.Which of the following correctly describes a key difference between hormones and enzymes?
    • A.Hormones are always proteins, while enzymes may or may not be proteins.
    • B.Hormones act where they are secreted, while enzymes generally act away from the site of secretion.
    • C.Hormones are secreted by endocrine glands, while enzymes are secreted by exocrine glands.
    • D.Hormones and enzymes are both secreted by the same type of glands.

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