Animal Hormones

Animal Hormones Quiz

Spec 7.1–8 · Edexcel GCSE Biology: Quiz

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5 questions, one answer each

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  1. 1. Which gland produces adrenalin?

    • A. Thyroid gland
    • B. Pancreas
    • C. Adrenal glands
    • D. Pituitary gland

  2. 2. Which hormone triggers ovulation?

    • A. FSH
    • B. LH
    • C. Progesterone
    • D. Thyroxine

  3. 3. Normal thyroxine level effect on hypothalamus/pituitary?

    • A. Stimulates further TRH/TSH
    • B. Inhibits TRH and TSH release
    • C. No effect
    • D. Stimulates only TSH

  4. 4. How does hormonal contraception prevent pregnancy?

    • A. Increases FSH
    • B. Inhibits FSH so no eggs mature
    • C. Destroys sperm directly
    • D. Stops progesterone entirely

  5. 5. Why are FSH/LH given before egg collection in IVF?

    • A. Prevent maturation to pause cycle
    • B. Stimulate maturation of several eggs simultaneously
    • C. Fertilise eggs before collection
    • D. Thicken uterus lining faster

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