Sexual Reproduction in Humans
102 questions· page 1 of 11
In the placenta, which substance passes from the blood of the embryo to the blood of the mother down a concentration gradient?
Options
A amino acids
B carbon dioxide
C glucose
D oxygen
What is the main function of the prostate gland?
Options
A producing adrenaline
B producing testosterone
C producing a liquid in which the sperm can swim
D storing mature sperm cells
The graph shows the changes in levels of four hormones during the menstrual cycle.
Which line represents progesterone?
Options
A A
B B
C C
D D
Sperm cells are stored in a laboratory before they can be used in artificial insemination.
Substances added to the sperm cells for storage have been shown to damage the acrosomes.
This leads to reduction in fertility.
Which statement describes why reduction in fertility may happen?
Options
A The sperm cells are rejected by the egg cells.
B The sperm cells cannot penetrate the egg cells.
C The sperm cells cannot swim to the egg cells.
D The sperm cells cannot detect the egg cells.
The hormones that control the menstrual cycle are released in varying amounts during the cycle.
During pregnancy, menstruation is prevented and there are no eggs developed or released.
What would be the levels of hormones FSH, LH and progesterone during pregnancy?
Options
| FSH | LH | progesterone | |
|---|---|---|---|
| A | high | low | low |
| B | low | low | high |
| C | high | high | high |
| D | low | high | low |
Which endocrine gland produces follicle-stimulating hormone?
Options
A adrenal gland
B ovary
C pancreas
D pituitary gland
What is the path taken by sperm cells during ejaculation from the male reproductive system?
Options
A sperm duct → testis → urethra
B sperm duct → urethra → testis
C testis → sperm duct → urethra
D testis → urethra → sperm duct
The diagram shows the female reproductive system.
Which label identifies the cervix?
Options
A A
B B
C C
D D
In human reproduction, which sequence of events is correct?
Options
A menstruation → ovulation → fertilisation → implantation
B menstruation → ovulation → implantation → fertilisation
C ovulation → menstruation → fertilisation → implantation
D ovulation → menstruation → implantation → fertilisation
The diagram shows the female reproductive system during pregnancy.
Which labelled part removes the excretory products of the fetus?
Options
A A
B B
C C
D D