ICSE Class 10 Chemical Coordination and Integration — Mock Test (2027)
Free online mock test for Chemical Coordination and Integration (ICSE Class 10 Zoology) — 82 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 Chemical Coordination and Integration 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.FSH brings about its effect on the target cell mainly by:
- A.Entering the nucleus and binding DNA directly
- B.Binding a membrane-bound receptor and generating second messengers
- C.Binding an intracellular receptor and altering gene expression
- D.Being converted into a steroid inside the cell
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2.Assertion (A): Parathyroid hormone (PTH) is a hypercalcemic hormone. Reason (R): PTH stimulates bone resorption, increases reabsorption of calcium by the renal tubules and increases calcium absorption from digested food.
- 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
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3.Which statement comparing ovarian hormones is correct?
- A.Estrogen develops secondary sex characters while progesterone supports pregnancy
- B.Progesterone develops secondary sex characters while estrogen supports pregnancy
- C.Both are secreted only by the corpus luteum
- D.Both are peptide hormones acting via membrane receptors
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4.Which statement about the thymus gland is correct?
- A.It degenerates in old age, decreasing thymosin production and weakening immune responses
- B.It secretes catecholamines for the fight or flight response
- C.It regulates blood calcium through thymosins
- D.It is located above each kidney
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5.Which hormone stimulates vigorous contraction of the uterus at childbirth and milk ejection?
- A.Oxytocin
- B.Prolactin
- C.Vasopressin
- D.Estrogen
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