Reproduction in Human

When is ovulation most likely to occur?

• About halfway between the start of one menstruation and the next
• At the start of menstruation
• 1-5 days before the start of menstruation
• 5-10 days after the start of menstruation

The diagram shows the 28 days of the menstrual cycle. When does the lining of the uterus break down?

• A
• B
• C
• D

The diagram shows the female reproductive system. In which parts are the eggs and the zygote formed?

• A
• B
• C
• D

The diagram shows the male reproductive system and part of the urinary system. Which is the prostate gland?

• A
• B
• C
• D

Chimpanzees have 48 chromosomes in each normal body cell. How many chromosomes does a chimpanzee gamete contain?

• 23
• 24
• 46
• 48

The skin cells of an animal contain 8 chromosomes. How many chromosomes will be present in each of the gametes produced by this animal?

• 16
• 8
• 4
• 2

The diagram shows a fetus developing in a uterus. Which structures remove excretory products from the fetus?

• P and Q
• Q and R
• R and S
• S and P

In human reproduction, which sequence of events if correct?

• menstruation > ovulation > fertilisation > implantation
• menstruation > ovulation > implantation > fertilisation
• ovulation > menstruation > fertilisation > implantation
• ovulation > menstruation > implantation > fertilisation

The diagram shows a developing fetus. Where does gaseous exchange between mother and fetus occur?

• A
• B
• C
• D

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

The diagram shows part of the female urogenital system. Where are sperms deposited during intercourse?

• A
• B
• C
• D