Unit A Reproduction
Unit A Reproduction
Unit A Reproduction
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Review Key Ideas and Vocabulary<br />
1. Which of the following is a primary male sexual<br />
characteristic?<br />
(a) facial hair<br />
(b) testes<br />
(c) deeper voice<br />
(d) muscle development<br />
2. Which of the following is an accessory sexual<br />
organ in males?<br />
(a) epididymis<br />
(b) vas deferens<br />
(c) urethra<br />
(d) prostate<br />
3. Approximately how many sperm reach an egg?<br />
(a) 1<br />
(b) 100<br />
(c) 400 000<br />
(d) 2 000 000<br />
4. Which of the following refers to the release of<br />
an egg?<br />
(a) menstruation<br />
(b) implantation<br />
(c) lactation<br />
(d) ovulation<br />
5. Which of the following is the male sex hormone?<br />
(a) progesterone<br />
(b) estrogen<br />
(c) testosterone<br />
(d) cortisone<br />
6. Which of the following is the most important<br />
change during puberty in females?<br />
(a) growth of mammary glands<br />
(b) widening of hips<br />
(c) releasing of eggs<br />
(d) growth of underarm and pubic hair<br />
7. Which list gives the correct order of the<br />
menstrual cycle?<br />
(a) ovulation, follicular phase, menstruation,<br />
luteal phase<br />
(b) menstruation, ovulation, follicular phase,<br />
luteal phase<br />
(c) menstruation, follicular phase, ovulation,<br />
luteal phase<br />
(d) ovulation, follicular phase, luteal phase,<br />
menstruation<br />
8. Which type of cells has the ability to<br />
differentiate into all different types of cells?<br />
(a) reproductive cells<br />
(b) gametes<br />
(c) stem cells<br />
(d) somatic cells<br />
9. Sperm is to testes as an egg is to ? .<br />
10. (a) Name the chromosomes that determine<br />
gender in humans.<br />
(b) Name the sex chromosomes in a male and<br />
in a female.<br />
(c) Why aren’t the sex chromosome always<br />
considered homologous chromosomes?<br />
11. Give two functions of the urethra in males.<br />
12. Identify the parts of the male reproductive<br />
system, labelled A to D, in Figure 1.<br />
Figure 1<br />
B<br />
A<br />
13. What event prevents the occurrence of a<br />
menstrual cycle? How does it do this?<br />
14. (a) What is the placenta?<br />
(b) Why is the placenta so important to the<br />
developing fetus?<br />
15. (a) What is a sex-linked characteristic?<br />
(b) Why are sex-linked characteristic expressed<br />
more frequently in males?<br />
16. Describe the two procedures that are used when<br />
a man’s sperm count is extremely low.<br />
17. Identify the parts of the female reproductive<br />
system, labelled A to C, in Figure 2.<br />
Figure 2<br />
A<br />
B<br />
D<br />
C<br />
C<br />
142 <strong>Unit</strong> A <strong>Reproduction</strong><br />
NEL
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