Edexcel GCSE Biology

The brain

Edexcel GCSE Biology revision on The brain. Aligned to the Pearson Edexcel GCSE Biology 1BI0 specification. This bank has 5 practice questions on this topic.

Sample questions (3 of 5)

  1. Question 1

    Which part of the human brain is primarily responsible for coordinating balance and muscle activity?

    • A) The cerebral cortex
    • B) The cerebellum
    • C) The medulla oblongata
    • D) The hypothalamus
    Show answer

    Answer: The cerebellum

    The cerebellum is located at the back of the brain and is essential for fine-tuning motor movements and maintaining posture. While the cerebral cortex handles complex thought and the medulla controls unconscious acts, the cerebellum ensures movements are smooth and precise.

  2. Question 2

    Which brain structure acts as the main control centre for unconscious activities such as heart rate and breathing?

    • A) The pituitary gland
    • B) The medulla oblongata
    • C) The cerebral cortex
    • D) The hypothalamus
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    Answer: The medulla oblongata

    The medulla oblongata is situated at the base of the brainstem. It is responsible for regulating autonomic functions, including cardiac rate and breathing rhythm, which are vital for survival without conscious input.

  3. Question 3

    What is the primary function of the cerebral cortex in human behaviour?

    • A) Regulating body temperature
    • B) Managing complex intelligence
    • C) Controlling reflex movements
    • D) Maintaining hormonal balance
    Show answer

    Answer: Managing complex intelligence

    The cerebral cortex is highly folded and covers the outer part of the brain. It is the seat of complex mental processes, including personality, memory, language, and conscious thought, distinguishing humans from many other species.

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