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CXC · CSEC · Human and Social Biology

The human skeleton: structure, types of bone and functions
Practice Questions

16 CXC CSEC Human and Social Biology questions on The human skeleton: structure, types of bone and functions, each with instant feedback and a full examiner-style mark scheme.

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Question 1 · 1 mark · Difficulty 1/3

Bauxite miners in Guyana are required to wear protective hard hats at all times on site. This regulation relates directly to which function of the skull?

  1. Protection of the brain
  2. Production of red blood cells
  3. Support of the cervical vertebrae
  4. Attachment of the trapezius muscle
Show answer & explanation
✓ Answer: A — Protection of the brain
Award 1 mark for protection of the brain. The skull forms a rigid bony casing that surrounds and protects the delicate brain tissue from mechanical injury; this is why hard hats substitute for this protection in hazardous environments. A is incorrect — the skull rests upon the cervical vertebrae rather than supporting them. B confuses the function of flat bones in producing red blood cells in bone marrow with the protective role of the skull specifically. D is incorrect — the trapezius muscle attaches to the cervical and thoracic vertebrae and the clavicle/scapula, not primarily to the skull.
Question 2 · 1 mark · Difficulty 1/3

Which of the following correctly identifies the type of bone tissue that forms the outer layer of a long bone such as the femur?

  1. Medullary bone
  2. Compact (dense) bone
  3. Spongy (cancellous) bone
  4. Cartilaginous bone
Show answer & explanation
✓ Answer: B — Compact (dense) bone
Award 1 mark for compact (dense) bone. The outer layer of long bones is composed of compact bone, which is dense and hard, providing strength and resistance to stress. A is incorrect — spongy (cancellous) bone is found at the ends (epiphyses) of long bones and internally; it is not the outer layer. C confuses cartilaginous bone with the bony tissue of a mature skeleton; cartilage covers joint surfaces but is not a bone tissue layer of the shaft. D is incorrect — medullary refers to the marrow cavity found inside the bone, not a tissue type forming the outer layer.
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CXC CSEC Human and Social Biology: The human skeleton: structure, types of bone and functions FAQ

How many CXC CSEC Human and Social Biology questions on The human skeleton: structure, types of bone and functions are there on Kramizo?
Kramizo currently has 16 exam-board-aligned practice questions on The human skeleton: structure, types of bone and functions for CXC CSEC Human and Social 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 Human and Social 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 human skeleton: structure, types of bone and functions practice with other Human and Social 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 human skeleton: structure, types of bone and functions questions aligned to the official CXC CSEC Human and Social Biology syllabus?
Every question is written against the published CXC CSEC Human and Social 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 human skeleton: structure, types of bone and functions typically tested on CXC CSEC Human and Social Biology papers?
The human skeleton: structure, types of bone and functions appears across multiple question types on real CXC CSEC Human and Social 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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