Edexcel GCSE Biology

Menstrual cycle & contraception

Edexcel GCSE Biology revision on Menstrual cycle & contraception. 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 hormone is primarily responsible for triggering the release of an egg from the ovary?

    • A) Oestrogen triggers release
    • B) Luteinising hormone peaks
    • C) Progesterone levels rise
    • D) Follicle stimulating rise
    Show answer

    Answer: Luteinising hormone peaks

    The menstrual cycle is regulated by hormones from the pituitary gland and ovaries. A surge in Luteinising Hormone (LH) occurs around day 14, which causes the mature follicle to rupture and release the egg, a process known as ovulation.

  2. Question 2

    What is the primary biological mechanism by which the combined oral contraceptive pill prevents pregnancy?

    • A) It prevents egg maturation
    • B) It stops sperm production
    • C) It blocks the fallopian tube
    • D) It kills the released egg
    Show answer

    Answer: It prevents egg maturation

    The combined pill contains oestrogen and progesterone. These hormones inhibit the production of Follicle Stimulating Hormone (FSH) by the pituitary gland, which prevents the development and maturation of eggs in the ovaries, thus preventing ovulation.

  3. Question 3

    What is the primary role of progesterone during the latter half of the menstrual cycle?

    • A) It stimulates egg growth
    • B) It maintains uterine lining
    • C) It causes the egg release
    • D) It triggers menstruation
    Show answer

    Answer: It maintains uterine lining

    After ovulation, the remains of the follicle form the corpus luteum, which secretes progesterone. This hormone maintains the thick, spongy lining of the uterus to prepare for the implantation of a fertilised egg.

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