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Human reproduction hormones, gametes and fertilisation

Total questions: 20

Worksheet time: 24mins

Name
Class
Date
1.

Name the hormones represented by 2

a)

FSH and LH

b)

FSH and testosterone

c)

LH and testosterone

d)

FSH and inhibin

e)

LH and inhibin

2.

Name the structure represented by 1

a)

hypothalamus

b)

pituitary gland

c)

testis

d)

nervous system

3.
When is ovulation most likely to occur?
a)
About halfway between the start of one menstruation and the next
b)
At the start of menstruation
c)
1-5 days before the start of menstruation
d)
5-10 days after the start of menstruation
4.
The diagram shows the 28 days of the menstrual cycle. When does the lining of the uterus break down?
a)
A
b)
B
c)
C
d)
D
5.
The diagram shows a male reproductive system. What are the functions of the labelled parts?
a)
A
b)
B
c)
C
d)
D
6.

Where are the mitochondria located in the spermatozoa?

a)

In the head

b)

In the tail

c)

In the middle piece

7.

The FSH hormone is secreted by

a)

the ovarian follicle

b)

the pituitary gland

c)

the corpus luteum

8.

Which hormones cause the endometrium to grow?

a)

LH and progesterone

b)

FSH and LH

c)

Oestrogens and progesterone

9.

There are .......... chromosomes inside each gametes of a human and ......... chromosomes inside the zygote of a human.

a)

23; 23

b)

23; 46

c)

46; 23

d)

46; 46

10.

Which is a negative feedback mechanism in the menstrual cycle?

a)

Follicle stimulating hormone inhibits oestrogen

b)

Oestrogen inhibits luteinizing hormone

c)

Oestrogen inhibits follicle stimulating hormone

d)

Progesterone inhibits oestrogen

11.

Through what process does a spermatid become a functioning spermatozoan?

a)

Mitosis

b)

Differentiation

c)

Fertilization

d)

Meiosis

12.

Which hormone shows the greatest fall in blood concentration just before menstruation?

a)

LH (luteinizing hormone)

b)

FSH (follicle stimulating hormone)

c)

Progesterone

d)

Estrogen

13.

What is the correct order of events in fertilization?

a)

fusion of gametes, acrosome reaction and then cortical reaction

b)

cortical reaction, fusion of gametes and then acrosome reaction

c)

acrosome reaction, fusion of gametes and then cortical reaction

d)

fusion of gametes, cortical reaction and then acrosome reaction

14.

Which part of the female reproductive system produces oestrogen and progesterone?

a)

A

b)

B

c)

C

d)

D

15.

The diagram below represents some stages of early embryonic development. Which process is represented by the arrows in the diagram?

a)

meiosis

b)

Mitosis

c)

Fertilization

d)

Evolution

16.

Which is a positive feedback mechanism in the menstrual cycle?

a)

Follicle stimulating hormone stimulates oestrogen

b)

High oestrogen levels stimulate LH and FSH

c)

Oestrogen stimulates progesterone

d)

High FSH stimulates oestrogen

17.

Which structure is the acrosome?

a)

A

b)

B

c)

C

d)

D

18.

What happens to stop more than one sperm fertilising an ovum?

a)

the cortical reaction

b)

the acrosome reaction

c)

capacitation

d)

polyspermy

19.

In the male, FSH

a)

stimulates Leydig cells to produce testosterone

b)

stimulates Sertoli cells to produce sperm

c)

stimulates spermatogenesis in the epididymis

d)

inhibits LH by negative feedback

20.

In the male, LH

a)

stimulates Leydig cells to produce testosterone

b)

stimulates Sertoli cells to produce sperm

c)

stimulates spermatogenesis in the epididymis

d)

inhibits LH by negative feedback