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3.2 Coordination and control – the endocrine system

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Question 4

In a study, progesterone treatment for a participant is stopped and the concentration of progesterone in their blood falls.

Which statement explains the likely changes in FSH release from the pituitary gland and development of a follicle in an ovary?

[1]
A

The ovaries release more oestrogen, which stimulates FSH release and follicle development.

B

The pituitary gland releases more FSH, which stimulates a follicle to mature.

C

The pituitary gland releases less FSH, so a follicle receives less stimulation to mature.

D

The pituitary gland releases more LH, which stimulates a follicle to mature.

Markscheme

3.2 Coordination and control – the endocrine system Questions

  1. GCSE
  2. /Biology
  3. /3.2 Coordination and control – the endocrine system

84 exam-style questions on OCR GCSE Biology 3.2 Coordination and control – the endocrine system, covering 3.2.1 Principles of hormonal coordination and control, 3.2.2 Roles of thyroxine and adrenaline, 3.2.3 Hormones in human reproduction, 3.2.4 Interactions of reproductive hormones, 3.2.5 Hormones in contraception, 3.2.6 Hormones in reproductive technologies, 3.2.7 Plant hormones in growth and coordination, 3.2.8 Effects of plant hormones, and 3.2.9 Uses of plant hormones. Each one has a worked solution and a mark scheme showing where the marks go.

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