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HomeCXC CSEC BiologyThe Endocrine System: Glands, Hormones and Target Organs
CXC · CSEC · Biology

The Endocrine System: Glands, Hormones and Target Organs
Practice Questions

20 CXC CSEC Biology questions on The Endocrine System: Glands, Hormones and Target Organs, each with instant feedback and a full examiner-style mark scheme.

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Question 1 · 1 mark · Difficulty 1/3

Which gland is known as the 'master gland' of the endocrine system because it controls the activity of many other endocrine glands?

  1. A. Thyroid gland
  2. B. Adrenal gland
  3. C. Pituitary gland
  4. D. Pancreas
Show answer & explanation
✓ Answer: CC. Pituitary gland
The pituitary gland is called the master gland because it secretes hormones that regulate the activity of other endocrine glands such as the thyroid and adrenal glands. It is located at the base of the brain and is under the control of the hypothalamus.
Question 2 · 1 mark · Difficulty 1/3

During puberty in females, which hormone is responsible for the development of secondary sexual characteristics such as breast development and widening of the hips?

  1. A. Progesterone
  2. B. Testosterone
  3. C. Oestrogen
  4. D. Luteinising hormone
Show answer & explanation
✓ Answer: CC. Oestrogen
Oestrogen, produced by the ovaries, is the primary hormone responsible for female secondary sexual characteristics during puberty, including breast development, widening of the hips, and the onset of menstruation. Progesterone mainly maintains the uterine lining during pregnancy.
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CXC CSEC Biology: The Endocrine System: Glands, Hormones and Target Organs FAQ

How many CXC CSEC Biology questions on The Endocrine System: Glands, Hormones and Target Organs are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on The Endocrine System: Glands, Hormones and Target Organs for CXC CSEC Biology, with new questions added every week. Each question gives you instant feedback and a full examiner-style mark scheme that tells you exactly what would earn marks on a real CXC paper. The questions span the full difficulty range — from straightforward recall (level 1) right up to multi-step reasoning and evaluation (level 3) — so the bank works for first-pass revision and final exam-week stress testing alike.
Is Kramizo free for CXC CSEC students preparing for Biology?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix The Endocrine System: Glands, Hormones and Target Organs practice with other Biology topics or even switch to a totally different CXC subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the The Endocrine System: Glands, Hormones and Target Organs questions aligned to the official CXC CSEC Biology syllabus?
Every question is written against the published CXC CSEC Biology specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real CXC paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from CXC.
How is The Endocrine System: Glands, Hormones and Target Organs typically tested on CXC CSEC Biology papers?
The Endocrine System: Glands, Hormones and Target Organs appears across multiple question types on real CXC CSEC Biology papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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