D3.1 Reproduction

D3.1 Reproduction Quiz

IB Biology HL: Quiz

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5 questions, one answer each

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  1. 1. HL: Which prevents polyspermy?

    • A. Acrosome reaction
    • B. Cortical reaction
    • C. Joint mitosis
    • D. Implantation
  2. 2. HL: Which hormone is secreted by the hypothalamus to start puberty?

    • A. LH
    • B. FSH
    • C. GnRH
    • D. Oxytocin
  3. 3. HL: Which source of progesterone maintains pregnancy after the first few months?

    • A. The corpus luteum
    • B. The placenta
    • C. The pituitary
    • D. The hypothalamus
  4. 4. HL: Randomised controlled trials showed that HRT:

    • A. prevents CHD
    • B. has no effect on CHD
    • C. causes a small increase in CHD risk
    • D. halves CHD risk
  5. 5. Which structure produces female gametes in a flowering plant?

    • A. Anther
    • B. Ovule
    • C. Stigma
    • D. Nectary

Quiz