Science Cells & Life test

Question 1

cell membrane

Answer 1

thin membrane that controls what goes in and out of the cell

Question 2

cytoplasm

Answer 2

many important reactions take place here

Question 3

nucleus

Answer 3

controls the cell and stores genetic information

Question 4

mitochondria

Answer 4

this is where respiration takes place - an important reaction in all living things to release energy from food

Question 5

cell wall

Answer 5

provides support, and is strengthened with cellulose

Question 6

chloroplast

Answer 6

this is where photosynthesis takes place - an important reaction in plants to produce glucose: the plant’s source of ‘food’. The way a plant has nutrition

Question 7

vacuole

Answer 7

helps to provide support in combination with the cell wall

Question 8

ovary

Answer 8

site of egg storage

Question 9

egg cell

Answer 9

the reproductive cells in females- assigned at birth

Question 10

uterus (lining and wall)

Answer 10

the muscular ‘bag’ in which the baby develops

Question 11

embryo

Answer 11

the early developmental stage of an animal while it is in the egg or within the uterus of the mother

Question 12

fetus

Answer 12

an unborn offspring that develops and grows inside the uterus (womb) of humans and other mammals

Question 13

vagina

Answer 13

tube into which the penis enters

Question 14

cervix

Answer 14

‘doorway’ between vagina and uterus

Question 15

cilia

Answer 15

small, slender, hair-like structures present on the surface of all mammalian cells

Question 16

fallopian tube/oviduct

Answer 16

tubes along which eggs pass

Question 17

ovulation

Answer 17

when an egg is released from the ovum

Question 18

penis

Answer 18

outer part of male reproductive system - delivers sperm

Question 19

urethra

Answer 19

tube through which sperm travel

Question 20

testes

Answer 20

2 small organs that are found inside the scrotum

Question 21

scrotum

Answer 21

holds the testicles outside the body

Question 22

sperm duct/tube (vas deferens)

Answer 22

other tube through which sperm travel

Question 23

sperm cell

Answer 23

sperm are male sex cells with three main parts: a head, midpiece and tail

Question 24

fertilisation (sex)

Answer 24

a zygote is created when the nucleus from the sperm fuses with the nucleus of the egg/ovum

Question 25

menstruation (period)

Answer 25

a period is the part of the menstrual cycle when a woman bleeds from her vagina for a few days

Question 26

erection

Answer 26

erection - when a penis becomes hard and enlarged from an increase in blood flow

Question 27

ejaculation

Answer 27

the expulsion of semen from the penis

Question 28

amniotic fluid

Answer 28

a clear, slightly yellowish liquid that surrounds the unborn baby (fetus) during pregnancy

Question 29

umbilical cord

Answer 29

A tube that provides oxygen and nutrients to the baby while getting rid of waste products

Question 30

placenta

Answer 30

an organ that forms in the womb, also called the uterus, during pregnancy