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
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1.Match the following differences between hormonal control and nervous control:
Hormonal control Nervous control 1. Usually slow. 1. Immediate/Rapid. 2. Transmitted chemically through blood. 2. Transmitted electro-chemically through nerve fibres. 3. Affects different organs (widespread). 3. Affects only particular muscles or glands (local). 4. Effect is short term or long-lasting. 4. Effect only short-lived. 5. Can affect growth. 5. Cannot affect growth. 6. Can bring about specific chemical changes. 6. Does not influence chemical changes. 7. Cannot be modified by learning. 7. Can be modified by learning. -
2.How do endocrine glands differ from other glands?
- A.Endocrine glands secrete hormones directly into the bloodstream without ducts, while other glands use ducts to release substances.
- B.Endocrine glands release enzymes through ducts to target organs, unlike other glands that secrete into the blood.
- C.Endocrine glands are larger and store secretions in ducts, whereas other glands release substances immediately.
- D.Endocrine glands secrete only sweat and digestive juices, while other glands produce hormones for the blood.
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3.Which of the following best defines a hormone?
- A.A type of blood cell that fights infections.
- B.A chemical messenger produced by glands to regulate physiological processes.
- C.A nutrient absorbed from food for energy.
- D.A physical barrier in the immune system.
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4.What is virilism, and which of the following is a symptom of this condition?
- A.Development of female secondary sexual characters in men; enlarged breasts.
- B.Development of male secondary sexual characters in women; growth of beard.
- C.Excessive hair growth in both genders; increased body hair.
- D.Reduced muscle mass in men; muscle weakness.
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5.Complete the following table by filling in the blanks from 1 to 10 with appropriate terms:
S. No. Gland Secretion Function/Effect on body 1. Thyroid 1 2 2. 3 Vasopressin 4 3. 5 6 Promotes glucose utilization by the body cells. 4. Lacrimal gland 7 8 5. Adrenal medulla 9 10
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