Reproduction Test Jan 29

Question 1

What is the role of the anther?

Answer 1

It is the structure where pollen is produced and stored.

Question 2

What is the role of the filament?

Answer 2

It is a long, thin supporting stalk in the anther.

Question 3

What is the role of the petals?

Answer 3

They are brightly coloured to attract insects.

Question 4

What is the role of the stigma?

Answer 4

It has a sticky surface that captures pollen. It is part of the pistil (female).

Question 5

What is the style’s role?

Answer 5

It is a long thin stalk that supports the pistil.

Question 6

What is the role of the ovary?

Answer 6

It is the swollen base that contains the female gametes.

Question 7

What is the role of the sepal?

Answer 7

It surrounds and protects the reproductive organs.

Question 8

What are the 2 common methods of pollen dispersal in flowering plants?

Answer 8

1- wind 2- insects

Question 9

What does the term “angiosperm” mean?

Answer 9

It refers to flowering plants and means “closed seed”.

Question 10

What does the pistil consist of?

Answer 10

female reproductive organs

Question 11

What does the stamen consist of?

Answer 11

male reproductive organs

Question 12

What is pollination?

Answer 12

when the pollen from the anther lands on the stigma

Question 13

What is fertilization?

Answer 13

when the male and female gametes fuse to produce a zygote

Question 14

What is a behavioural adaptation angiosperms use to facilitate pollination?

Answer 14

Flowers bloom at night when pollinators are more active

Question 15

What is the role of bees in flower reproduction?

Answer 15

They carry pollen from one flower to another

Question 16

What is cross-pollination?

Answer 16

When the pollen from the anther lands on the stigma of a different flower

Question 17

What environment does a seed need to germinate?

Answer 17

moist, warm environment, with oxygen (light isn’t necessary)

Question 18

What is asexual reproduction?

Answer 18

reproduction that involves only one parent

Question 19

What is sexual reproduction?

Answer 19

reproduction that involves two parents (sex)

Question 20

What hormone is released from the pituitary gland in the male?

Answer 20

Testosterone

Question 21

What is the role of the epididymis (male)?

Answer 21

The sperm produced are stored in this small, elongated organ lying above the testicles.

Question 22

What is the role of the vas deferens?

Answer 22

It is the area spermatozoa enters before released outside the body during ejaculation.

Question 23

What is the cowper’s gland?

Answer 23

It releases a fluid into the urethra, which neutralizes the acidity caused by any remaining traces of urine that could threaten the survival of the sperm.

Question 24

What are the 4 phases of the menstrual cycle?

Answer 24

1- Menstrual phase (day 1-4) 2- Follicular phase (day 4-14) 3- Ovulation (day 14-28) 4- Luteal phase

Question 25

Where does fertilization take place?

Answer 25

in the fallopian tube

Question 26

What is it called when the embryo attaches itself to the uterus?

Answer 26

implantation

Question 27

What is the placenta?

Answer 27

it is made up of a large mass of blood vessels from both the mother and fetus

Question 28

Which trimester can the sex of the baby be determined?

Answer 28

first trimester

Question 29

What does the placenta transport via the umbilical cord?

Answer 29

oxygen, waste, and food

Question 30

What is oxytocin?

Answer 30

The hormone released by the pituitary gland that causes contractions and dilation in the female during childbirth

Question 31

In which trimester does the heart of the baby begin to beat?

Answer 31

first trimester (otherwise baby won't grow)

Question 32

In order, what are the stages of birth?

Answer 32

Dilation, Birth, Delivery of placenta (afterbirth)

Question 33

In which week does the fetus look most like a tadpole?

Answer 33

week 5

Question 34

In which week does the fetus look most like a human?

Answer 34

week 8

Question 35

What week does the fetus' tail disappear?

Answer 35

week 9

Question 36

Which parts are the first to develop in the fetus?

Answer 36

a) central nervous system b) legs and arms c) heart

Question 37

What is the blastocyst?

Answer 37

a cluster of cells which goes through cellular division to finally become the embryo

Question 38

Which STD has symptoms appear the earliest?

Answer 38

Gonorrhea

Question 39

Which is not a method of contracting AIDS?

Answer 39

Saliva

Question 40

Which STD develops small blisters which eventually burst and develop into painful ulcers?

Answer 40

Genital herpes

Question 41

What are symptoms of Hepatitis B?

Answer 41

headaches, jaundice, loss of appetite

Question 42

Which treatment is used to treat bacterial infections?

Answer 42

antibiotics

Question 43

What are some of Gonorrhea's symptoms?

Answer 43

Painful or swollen testicles, painful intercourse, burning sensations when urinating

Question 44

What are the 3 steps of syphilis in order?

Answer 44

Painless sores, flu-like symptoms, cardiac problems

Question 45

What is AIDS an acronym for?

Answer 45

acquired immune deficiency syndrome

Question 46

Is chlamydia viral or bacterial?

Answer 46

Chlamydia is a bacterial infection

Question 47

Is Hepatitis B bacterial or viral?

Answer 47

Hepatitis is a viral infection

Question 48

What can AIDS lead to?

Answer 48

Death

Question 49

Is Genital herpes viral or bacterial?

Answer 49

Genital herpes is a viral infection.