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HomeCXC CSEC Integrated ScienceGrowth and Development in Humans
CXC · CSEC · Integrated Science

Growth and Development in Humans
Practice Questions

20 CXC CSEC Integrated Science questions on Growth and Development in Humans, each with instant feedback and a full examiner-style mark scheme.

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Question 1 · 1 mark · Difficulty 1/3

A health clinic in Kingston, Jamaica monitors the growth of infants during their first year of life. Which of the following is the MOST appropriate method for measuring the growth of these infants?

  1. Recording changes in body mass at regular intervals
  2. Observing changes in skin colour over time
  3. Counting the number of teeth present
  4. Measuring the infant's ability to crawl
Show answer & explanation
✓ Answer: ARecording changes in body mass at regular intervals
Award 1 mark for identifying mass measurement as the appropriate growth indicator. B is incorrect — skin colour is not a measure of growth. C is incorrect — tooth eruption indicates development, not growth rate. D is incorrect — crawling is a developmental milestone, not a measure of growth.
Question 2 · 1 mark · Difficulty 2/3

During puberty, a hormone is released from the pituitary gland that stimulates the testes to produce testosterone. Which hormone is responsible for this stimulation?

  1. Oestrogen
  2. Progesterone
  3. Luteinising hormone (LH)
  4. Insulin
Show answer & explanation
✓ Answer: CLuteinising hormone (LH)
Award 1 mark for identifying LH as the pituitary hormone that stimulates testosterone production. A is incorrect — oestrogen is a female sex hormone produced mainly by the ovaries. B is incorrect — progesterone is involved in the menstrual cycle and pregnancy. D is incorrect — insulin is produced by the pancreas and regulates blood glucose.
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CXC CSEC Integrated Science: Growth and Development in Humans FAQ

How many CXC CSEC Integrated Science questions on Growth and Development in Humans are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on Growth and Development in Humans for CXC CSEC Integrated Science, 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 Integrated Science?
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 Growth and Development in Humans practice with other Integrated Science 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 Growth and Development in Humans questions aligned to the official CXC CSEC Integrated Science syllabus?
Every question is written against the published CXC CSEC Integrated Science 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 Growth and Development in Humans typically tested on CXC CSEC Integrated Science papers?
Growth and Development in Humans appears across multiple question types on real CXC CSEC Integrated Science 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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