Gce Model Questions Vol1 2021 Biology Question 9

Practice essay / theory question 9 from the 2021 Gce Model Questions Vol1 Biology examination. This question covers Reproduction .

Gce Model Questions Vol1 2021 Biology Essay / Theory

Topic: Reproduction

Question 9 GCE_MODEL_QUESTIONS_VOL1 • 2021 • BIOLOGY • essay

The reproductive system of mammals is regulated by a complex interaction of hormones and feedback mechanisms.

Question Parts

( a )

Explain the hormonal regulation of the menstrual cycle, describing the roles of FSH, LH, estrogen and progesterone in the follicular and luteal phases.

( b )

A researcher proposes to use a synthetic analogue of GnRH to suppress ovulation in women. Discuss the physiological basis for this approach and evaluate two possible side effects that could arise from long‑term use.

( c )

Compare and contrast the mechanisms of fertilisation in external fertilising species (e.g., many fish) with internal fertilising mammals, focusing on at least three key differences in gamete encounter, protection, and selection.

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About This Question

This is Gce Model Questions Vol1 2021 Biology Question 9. It is one of the essay questions from the 2021 Gce Model Questions Vol1 Biology examination.

The question covers Reproduction .

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