Sexual Reproduction I

Question 1

What is reproduction?

Answer 1

It is a biological process by which new organisms are being produced by their parents.

Question 2

Why do living things reproduce?

Answer 2

It is to ensure that their species will not go extinct.

Question 3

What is the difference between sexual and asexual?

Answer 3

Asexual reproduction does not involve sex cells or fertilisation . Only one parent is required, unlike sexual reproduction which needs two parents. … As a result, the offspring are genetically identical to the parent and to each other.

Sexual reproduction requires 2 parents and has to have fertilisation to occur.

Question 4

What are the parts in the Male Reproductive System?

Answer 4

Urethra, Penis, Sex Gland/Prostate gland, scrotum, sperm duct, epididymis.

Question 5

What is the function of the penis?

Answer 5

Deposits sperm into the woman’s vagina during sexual intercourse. Allows urine to leave the body.

Question 6

What is the function of the urethra?

Answer 6

Transport urine and semen to outside of penis. Note, urine and semen don’t mix.

Question 7

Is sperm and semen the same?

Answer 7

No. Sperm is being produced by the testis, but semen is sperm and fluid from the sex gland/prostate gland.

Question 8

What is the function of testis?

Answer 8

Produce sperms and sex hormones called testosterone.

Question 9

What is the function of the scrotum?

Answer 9

Holds testis outside the body to provide lower temperature for development of sperms.

Question 10

What is the function of the sex gland?

Answer 10

Produce fluids that mix with sperms to form semen. Provides lubricating effect to help sperm move better.

Question 11

What is the function of the Epididymis?

Answer 11

Stores sperm and bring sperms to maturity.

Question 12

What are the parts of an female reproductive system?

Answer 12

Vagina, Cervix, Uterus, Fallopian Tube, Ovaries.

Question 13

What is the function of the Vagina?

Answer 13

A muscular passage which connects to the uterus that allows the deposit of sperms. A passage which a baby is born.

Question 14

What is the function of the Cervix?

Answer 14

helps keep unhealthy things out of your body. A narrow opening of the uterus which becomes wider during birth process.

Question 15

What is the function of the uterus/ womb?

Answer 15

An organ that allows implantation of embryo and nourishes the growth of the foetus. Contracts when baby is about to be born.

Question 16

Where does implantation take place?

Answer 16

Uterus/womb.

Question 17

What is the function of the fallopian tube?

Answer 17

Transport eggs from ovaries to uterus. The site where fertilization takes place.

Question 18

What is the function of the ovary?

Answer 18

Produces female eggs and female sex hormones (oestrogen and progesterone).

Question 19

What is the difference between sperm and egg?

Answer 19

1) Egg is the largest cell in the human body. Sperm is the smallest cell in the human body.
2) The sperm has a head, body and tail. The egg is just a cell which contains nucleus.

Question 20

What is the similarity between sperms and egg?

Answer 20

Both are used for reproduction, both have the same number of chromosomes, and both are produced by the same process of gamete formation (the formation of sex cells).

Question 21

How many chromosomes does a zygote have?

Answer 21

46 pairs of chromosomes.

Question 22

Why does a zygote have 46 pair of chromosomes?

Answer 22

It is because a sperm contains 23 chromosomes and the egg also contains 23 chromosomes. When fuse, it would be combine together. Hence, 46 pairs of chromosomes.

Question 23

The male gamete is the sperm while the female reproductive cell is the egg. True or false?

Answer 23

True, gemete is also known as sex cell.

Question 24

What is abortion?

Answer 24

It is the deliberate termination of the foetus/ embryo from the uterus.

Question 25

Why is abortion considered harmful?

Answer 25

It may lead to death due to great loss of blood.

Uterus and fallopian tube may be infected which cause infertility.

Question 26

When is abortion usually carried out?

Answer 26

Within the first 12 weeks of pregnancy. [3 months]

Question 27

What are some reasons people may choose abortion?

Answer 27

• Unwanted pregnancy that is resulted due to rape.
• Life of Mother/foetus/are in danger.
• Mother is physically and mentally incapable of supporting child.

Question 28

What are some of the unlikely reasons that people choose abortion.

Answer 28

• Pregnancy caused by having premarital sex.
• child may be born physically or mentally handicapped.
• Family is not financially ready to support child.

Question 29

Why is premarital sex bad?

Answer 29

It would expose teenagers to the risk of Sexually Transmitted Diseases (STI) at a young age. The girl may have unwanted pregnancy at a young age.

Question 30

What is the full name for STI?

Answer 30

Sexually Transmitted Disease.

Question 31

How is STI acquired?

Answer 31

It is aqquired through the exchange of bodily fluid such as having sexual intercourse and the sharing of contaminated items that contains blood such as drug needle, shavers and toothbrush,

Question 32

How to prevent STI?

Answer 32

1) Be faithful to one sex partner.
2) Abstinence from sex.
3) Have protected sex.
4) Do not share any items contaminated with blood such as drug needle, shavers and toothbrush.

Question 33

What are 3 types of STI?

Answer 33

Gonorhoea, Syphilis and AIDS.

Question 34

What is the full name for AIDS?

Answer 34

Acquired Immune deficiency syndrome

Question 35

What causes AIDS?

Answer 35

HIV. (Human Immunodeficiency virus)

Question 36

Briefly explain, how HIV causes AIDS and how it kills someone?

Answer 36

HIV weakens the human immune system. The person’s immune system would gradually deteriorate. Once the person’s immune system is destroyed extensively, they would be susceptible to other types of diseases and infections. As the body is to weak to fight against the diseases and infections, the person would fall sick and result into death.

Question 37

What stage of HIV is AIDS at?

Answer 37

AIDS is the most serious stage of HIV infection.

Question 38

Is HIV the cause to why AIDS patient die?

Answer 38

No, HIV is not the cause. It is when the body is to weak to fight against normal viruses that causes the patient to die due to it. HIV weakens the immune system only.