Endocrine Systsem Questions and Answers GCSE Biology

Endocrine Systsem Questions and Answers GCSE Biology

Question 1 (1.1) 200 words

a)    Label the diagram with the main endocrine glands. (N.B. labels are not included in the word count)

b)    Briefly describe what hormones link the hypothalamus, specific part of the pituitary gland and the thyroid gland. (40 words)

c)     Briefly describe what hormones link the hypothalamus, specific part of the pituitary gland and the female gonads. (40 words)

d)    Briefly describe what hormone links the hypothalamus, specific part of the pituitary gland and the kidneys (30 words)

e)    Briefly describe what cells of the pancreas produce what hormones (45 words)

f)     Briefly describe the hormones that are secreted by the adrenal gland (45 words)

Question 2 (1.2) 300 words Complete the following table:

Hormone

Explain its function:

Citations

Adrenaline

Aldosterone

Follicle stimulating hormone

Glucagon

Insulin

Luteinizing hormone

Melatonin

Oestrogen

Oxytocin

Parathyroid hormone

Progesterone

Prolactin

Testosterone

Thyroxine

Question 3 (1.3) 200 words Explain the role of the bloodstream in distributing hormones to their target organs.

Question 4 (3.1, 3.2, 3.3) 400 words

a) Provide a detailed description of the two molecular processes involved for steroid and peptide receptor activation, ensuring you explain the need for these different processes. Relate your ideas to a named steroid and peptide hormone.

a) Outline why specificity is needed in relation to the action of the above.

Question 5 (2.1, 2.2) 500 words

Homeostasis means ‘keeping the internal environment of the body balanced’.

Using

either

oxytocin in normal labour

or

the control of glucose levels in the body as an example, describe the process of homeostasis, using diagrams/images to help.

Word Count: 1600 words

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