Reproduction

Question 1

What type of reproduction do plants do?

Answer 1

Asexual

Question 2

What type of reproduction do humans/animals do?

Answer 2

Sexual

Question 3

Define reproduction?

Answer 3

Making of a new organism

Question 4

What is a gamete?

Answer 4

Sex Cell

Question 5

Give 5 properties of asexual reproduction?

Answer 5

• no gametes are involved
• produces clones genetically identical to parents
• only one parent is necessary
• only mitosis occurs
• produces no variation

Question 6

Give 4 properties of sexual reproduction?

Answer 6

• uses gametes
• produces genetically unique offspring
• two parents are necessary
• mitosis and meiosis is involved

Question 7

Name all 8 parts of a leaf?

Answer 7

Anther, Filament, Petal, Stigma, Style, Ovary, Sepal and Stem

Question 8

Define pollination?

Answer 8

Transfer of pollen from another anther to stigma

Question 9

Give all 4 properties of wind pollinated leave?

Answer 9

• filaments on outside
• stamens and stigma exposed (outside of petals)
• Petals are dull coloured and small
• No nectaries

Question 10

Give all 4 properties of insect pollinated leave?

Answer 10

• Filaments, stigma and stamen are inside of the petals
• Petals are large and bright covered
• Stigma is sticky
• Contains nectaries

Question 11

What is the process known as when a pollen fuses with the egg?

Answer 11

Fertilisation

Question 12

What will the ovule become after fertilisation?

Answer 12

A seed

Question 13

What does the ovary do after a seed is made?

Answer 13

Swells up becoming a fruit

Question 14

Name the 3 properties of a seed?

Answer 14

• Ovule wall
• Zygote
• Large amounts of starch and protein

Question 15

Name all the parts of the female reproductive system?

Answer 15

• Oviduct
• Ovary
• Uterus
• Cervix
• Vagina

Question 16

Name all the parts of the male reproductive system?

Answer 16

• Bladder
• Testes
• Sperm Duct
• Penis
• Scrotum
• Seminal vesicle
• Urethra

Question 17

What will the male produce in sexual intercourse?

Answer 17

Sperm

Question 18

What does the word menstrual cycle mean?

Answer 18

Monthly

Question 19

What occurs in the middle of the menstrual cycle?

Answer 19

Ovulation occurs, an egg is released

Question 20

What happens if fertilisation doesn’t occur in the female?

Answer 20

Lining of the uterus is lost

Question 21

What happens from day 0 - 5 in the menstrual cycle?

Answer 21

Lining breaks down

Question 22

What happens from day 5 - 12 in the menstrual cycle?

Answer 22

Lining builds back up and an egg is released

Question 23

What happens from day 12 - 21 in the menstrual cycle?

Answer 23

The lining is maintained

Question 24

Name the hormones in a female for reproduction?

Answer 24

Follicle stimulating hormone (FSH)
Oestrogen
Luteinising hormone (LH)
Progesterone

Question 25

What does the Follicle stimulating hormone do and where is it made?

Answer 25

Pituitary gland --> makes eggs mature in the ovary

Question 26

What does Oestrogen do and where is it made?

Answer 26

Ovary --> causes uterus lining to thicken

Question 27

What does the Luteinising hormone do and where is it made?

Answer 27

Pituitary gland --> Causes egg to be released

Question 28

What does Progesterone do and where is it made?

Answer 28

Ovary --> keeps the lining thick maintaining it

Question 29

Name all the adaptation of the placenta? ( 4 points)

Answer 29

- A large surface area between it and the uterus wall. - Villi which further increase the surface area of the placenta. - A good blood supply. - Thin wall for a short diffusion distance

Question 30

Adaptations of sperm? (3 points)

Answer 30

- A tail to move them towards an egg cell. - Many mitochondria to release energy for movement. - Part of the tip of the head of the sperm releases enzymes to digest the egg membrane to allow fertilisation to take place.

Question 31

How many chromosomes does a diploid cell have?

Answer 31

46 chromosomes

Question 32

How many chromosomes does a Haploid cell have?

Answer 32

23 Chromosomes

Question 33

How many cells are created by mitosis?

Answer 33

2 daughter cells

Question 34

How do the daughter cells after mitosis compare to their parent cells?

Answer 34

They are genetically identical

Question 35

How many chromosomes do the daughter cells have in mitosis?

Answer 35

46 chromosomes

Question 36

What is mitosis used for?

Answer 36

Replacement, repair and growth

Question 37

How many times does the parent cell divide in mitosis?

Answer 37

Once

Question 38

What is the use of meiosis?

Answer 38

To produce sex cells

Question 39

How many time do the parent cells divide in meiosis?

Answer 39

Twice

Question 40

How do the daughter cells after meiosis compare to their parent cells?

Answer 40

Genetically unidentical

Question 41

What cells does meiosis make?

Answer 41

Haploid cells --> Sperm (Male gamete) --> Egg (Female gamete) --> Pollen