OCR General Certificate of Secondary Education (GCSE) Biology Practice Exam

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Prepare for the OCR GCSE Biology Exam with detailed quizzes, flashcards, and explanations. Enhance your understanding of biology concepts and get exam-ready today!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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What is the primary function of cartilage in joints?

Connecting muscle to bone
Providing a smooth protective surface
Storing minerals
Producing synovial fluid

The correct answer is: Providing a smooth protective surface

The primary function of cartilage in joints is to provide a smooth protective surface. Cartilage is a type of connective tissue that covers the ends of bones at joints, allowing them to move smoothly against each other. This smooth surface reduces friction during movement, which is essential for the efficient functioning of joints. The cushioning properties of cartilage also help absorb shock, protecting the bones from impact and wear during activities such as walking, running, or jumping. Other options describe functions that are not associated with cartilage. Connecting muscle to bone is the role of tendons, while the storage of minerals is a function of bones. The production of synovial fluid occurs in the synovial membrane, not directly in cartilage.