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.Exophthalmic goitre is caused due to the overactivity of
- A.thymus
- B.thyroid
- C.parathyroid
- D.adrenal cortex
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2.Contraction of uterus during child birth is due to which hormone
- a.TSN
- b.Glucagon
- c.Oxytocin
- d.FSH
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3.People living in the low Himalayan hilly regions often suffer from goitre. What could be the most likely reason for this condition?
- A.Excessive intake of calcium in water and food
- B.Iodine deficiency in soil and water
- C.High levels of fluoride in drinking water
- D.Lack of exposure to sunlight in hilly areas
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4.Which of the following correctly defines an exocrine gland and provides a valid example?
- A.A gland that secretes hormones directly into the bloodstream; e.g., thyroid gland.
- B.A gland that pours its secretion into a particular organ through a duct; e.g., salivary gland.
- C.A gland without ducts that releases enzymes into the digestive tract; e.g., liver.
- D.A gland that stores its secretion internally and releases it on demand; e.g., adrenal gland.
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5.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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