90179 Human Reproductive System exam-06

For Supervisor’s use only
90179
1
Level 1 Human Biology, 2006
90179 Describe functioning of the human
reproductive system
Credits: Three
9.30 am Wednesday 22 November 2006
Check that the National Student Number (NSN) on your admission slip is the same as the number at the
top of this page.
You should answer ALL the questions in this booklet.
If you need more space for any answer, use the page(s) provided at the back of this booklet and clearly
number the question.
Check that this booklet has pages 2–7 in the correct order and that none of these pages is blank.
YOU MUST HAND THIS BOOKLET TO THE SUPERVISOR AT THE END OF THE EXAMINATION.
For Assessor’s
use only
Achievement
Describe functioning of the
human reproductive system.
Achievement Criteria
Achievement
with Merit
Explain functioning of the human
reproductive system.
Achievement
with Excellence
Discuss functioning of the human
reproductive system.
Overall Level of Performance
© New Zealand Qualifications Authority, 2006
All rights reserved. No part of this publication may be reproduced by any means without the prior permission of the New Zealand Qualifications Authority.
You are advised to spend 35 minutes answering the questions in this booklet.
Question One
The diagram shows a section through an ovary.
A
corpus luteum
or yellow body
mature follicle
egg
developing eggs
(a)
Name and describe the process that has occurred at A.
(b) (i)
Name the hormone the corpus luteum produces.
(ii) Describe the function of this hormone.
Human Biology 90179, 2006
Assessor’s
use only
Question Two
(a)
Assessor’s
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Describe where fertilisation occurs in a woman’s body.
(b) Describe the process of fertilisation.
Question Three
(a) Explain why the testes need to be outside the body to make healthy sperm.
(b) Give a function of the epididymis.
(c)
Explain why a man must have a high sperm count if his partner is to become pregnant.
Human Biology 90179, 2006
Question Four
Assessor’s
use only
Oestrogen, progesterone, follicle-stimulating hormone (FSH) and luteinising hormone (LH) have
important roles in the functioning of the female reproductive system.
Discuss how these hormones work together to produce the menstrual cycle.
Your answer should consider
•
the function(s) of each hormone
•
interactions between the hormones.
Human Biology 90179, 2006
Question Five
Assessor’s
use only
The diagram below shows some changes that occur in the uterus during the last four months of
gestation.
placenta
umbilical cord
amniotic fluid
amnion
foetus
(25 cm)
foetus
(50 cm)
mucous plug
20 weeks gestation
40 weeks gestation
not drawn to scale
(a)
Complete the table below to describe the function of the two structures.
Structure
Function
Amnion
Mucous plug
(b) The lungs of a foetus are filled with amniotic fluid, so the foetus cannot breathe.
Explain how the foetus gets its oxygen.
Note that Question Five
continues on the next page.
Human Biology 90179, 2006
(c)Discuss how a woman’s reproductive system functions to allow a 20-week-old foetus to grow
into a 40-week-old foetus during gestation.
Your answer should consider the role of:
•
the placenta
•
the uterus
•
oestrogen and progesterone during gestation.
Human Biology 90179, 2006
Assessor’s
use only
Extra paper for continuation of answers if required.
Clearly number the question.
Question
number
Human Biology 90179, 2006
Assessor’s
use only