Sexual Reproduction II

Question 1

Fertilisation is the process where sperm fuses with the the egg to form a zygote. True or false?

Answer 1

False. The sperm do not fuse with the egg, only the nucleus of the sperm fuse with the egg.

Question 2

What is the average duration of pregnancy in humans?

Answer 2

9 months.

Question 3

Which of the following sex hormone triggers puberty in males?

Answer 3

Testosterone.

Question 4

Which of the following physical changes occur in both male and female bodies during puberty?

Answer 4

• Growth spurt

- Hair starts growing in the pubic region.

Question 5

How many days on average is the menstrual cycle?

Answer 5

28 days.

Question 6

Which period of the menstrual cycle is the fertile phase?

Answer 6

Day 11 to 16.

Question 7

Which period of the menstrual cycle is the ovulation phase?

Answer 7

Day 14.

Question 8

What is the definition of ovulation?

Answer 8

It is the release of an mature egg from the ovary.

Question 9

What is the definition of menstruation?

Answer 9

It is the discharge of uterus lining together with blood when an egg remains unfertilised.

Question 10

Which period of the menstural cycle is the non fertile phase?

Answer 10

Day 19 to 28.

Question 11

Which period of the menstrual cycle is the menstruations phase?

Answer 11

Day 1 to 5. It is not fertile during that period too.

Question 12

Which period of the menstural cycle is the repair and growth of uterus lining happening?

Answer 12

It is from day 6 to 10.

Question 13

What is the definition of fertilisation?

Answer 13

It is the process where the nucleus of the sperm fuses with the nucleus of the egg to form a zygote.

Question 14

What is the process of pregnancy?

Answer 14

Zygote-> Embryo-> Foetus-> Baby

Question 15

What is the passage where the baby is born?

Answer 15

Vagina.

Question 16

What is the definition of “Heredity”?

Answer 16

It is the transfer of characteristics from parents to offspring through their genes.

Question 17

What is the definition of puberty?

Answer 17

It is a period where rapid growth and development, during which a person changes to become sexually matured and capable of reproducing.

Question 18

What causes puberty to happen?

Answer 18

Sex hormones.

Question 19

When does puberty occur for boys?

Answer 19

Ages 12 to 14

Question 20

When does puberty occur for females?

Answer 20

Ages 10-12

Question 21

What hormone causes the lining of uterus to repair and thicken?

Answer 21

Oestrogen.

Question 22

What is the hormones responsible for the continuous swelling of uterine lining for implantation?

Answer 22

Progesterone.

Question 23

Will the lining of the uterus remain the same when a woman is pregnant?

Answer 23

Yes

Question 24

Does the lining of the uterus shed if the woman is pregnant?

Answer 24

No it does not. It will only shed if the woman is not pregnant.

Question 25

What causes mensturation to start again?

Answer 25

It is the rise of the oestrogen level and progesterone level that causes it.

Question 26

Why does the uterine lining remain thick when a woman is pregnant?

Answer 26

It remains thick to supply the embryo with nutrients and oxygen.

Question 27

Is the word contraceptive and Birth control the same?

Answer 27

Yes. Contraceptives or Contraception = Birth Controls

Question 28

What are the prescription caused by gonorhoea?

Answer 28

Blindness in babies,

Question 29

what are 2 bacteria-caused STI's that can be treated?

Answer 29

gonorhoea and syphilis

Question 30

What are the symptoms for AIDs?

Answer 30

Loss of appetite, night sweat, prolonged fever and swollen glands.

Question 31

What are the symptoms of syphilis?

Answer 31

Sores on mouth, genitals, throat. heart failure, non-itchy rashes and hair loss.

Question 32

What are the symptoms of Gonorhoea?

Answer 32

1) A yellow or greenish discharge from the penis. | 2) A yellow or greenish color of vaginal discharge developed with a strong smell.

Question 33

What is the prescription for Syphilis?

Answer 33

Painless sores and non-itchy rashes.

Question 34

What is the prescription for AIDS?

Answer 34

Destroys the body's immune system. Body vulnerable to diseases etc.

Question 35

Is AIDs a disease?

Answer 35

No it is not. It is a term to describe the most serious stage of HIV infections.

Question 36

Why is Abortion a controversial matter?

Answer 36

It is because it involves human morality.

Question 37

How does fertilised egg move to the uterus?

Answer 37

The muscular contractions of the wall of the oviduct. The sweeping motions of the cilla continue to move zygote towards the uterus.