Cells and Reproduction ETT Flashcards
Mid-topic Assessment
Name part ‘a’ of the animal cell in the image.
Nucleus
Name part ‘b’ of the animal cell in the image.
Cell membrane
Name part ‘c’ of the animal cell in the image.
Mitochondria
Name part ‘d’ of the animal cell in the image.
Cytoplasm
Name part ‘e’ of the animal cell in the image.
Ribosomes
Name part ‘a’ of the plant cell in the image.
Nucleus
Name part ‘b’ of the plant cell in the image.
Ribosomes
Name part ‘c’ of the plant cell in the image.
Mitochondria
Name part ‘d’ of the plant cell in the image.
Chloroplasts
Name part ‘e’ of the plant cell in the image.
Cell membrane
Name part ‘f’ of the plant cell in the image.
Cytoplasm
Name part ‘g’ of the plant cell in the image.
Vacuole
Name part ‘h’ of the plant cell in the image.
Cell wall
What is the function of the nucleus?
Controls cell activity
What is the function of the cell membrane?
Controls what goes in and out
What is the function of the ribosomes?
Makes proteins
What is the function of the cytoplasm?
Where chemical reactions take place
What is the function of the mitochondria?
Where respiration happens
What is the function of the chloroplasts?
Where photosynthesis takes place.
What is the function of the vacuole?
Stores cell sap
Keeps cell turgid
What is the function of the cell wall?
Strengthens the cell
What is the green pigment in chloroplasts called?
Chlorophyll
What three parts to plant cells have that animal cells do not?
- Vacuole
- Cell Wall
- Chloroplasts
Name part ‘a’ of the microscope
eyepiece
Name part ‘b’ of the microscope
focus wheel
Name part ‘d’ of the microscope
objective lens
Name part ‘e’ of the microscope
stage
Name part ‘f’ of the microscope
slide
How do you calculate the magnification of a microscope using the numbers on the eyepiece and the objective lens?
Magnification = eyepiece x lens
Name the type of microscope shown in the image
Light microscope
Name the type of cell in the image
bacterial cell
Name the type of cell in the image
ciliated cell
Name the type of cell in the image
red blood cell
Name the type of cell in the image
Sperm cell
Name the type of cell in the image
Nerve cell
Name the type of cell in the image
Muscle cell
What is the definition of ‘diffusion’?
The movement of particles
From a high to low concentration
What name is given to single-celled organisms?
Unicellular
Name the single-celled organism in the image
amoeba
Name the single-celled organism in the image
euglena
What are the four main changes that happen only to girls during puberty?
- Breasts develop
- Hips widen
- Ovaries start releasing eggs
- Periods start
What are the five main changes that happen only to boys during puberty?
- Voice deepens
- Testes and penis get bigger
- Testes start to produce sperm
- Shoulders widen
- Hair grows on face and chest
What are the four main changes that happen to both boys and girls during puberty?
- Pubic and underarm hair grows
- Emotional changes
- Increased body odour
- Growth spurt
What are chemical messengers that travel in the blood called?
Hormones
What are hormones?
Chemical messengers that travel in the blood
How do hormones travel around the body?
In the blood
What is the main male sex hormone called?
Testosterone
What is the main female sex hormone called?
Oestrogen
Where are sperm cells produced?
Testes
Where are egg cells produced?
Ovaries
Where in the female reproductive system do babies develop?
Uterus
Name the tube that carries urine from the bladder out of the body.
Urethra
Name the ring of muscle at the entrance to the uterus.
Cervix
Name the tubes that carry the sperm from the testes to the penis.
Sperm ducts
What are female sex cells called?
Egg cells
What are male sex cells called?
Sperm cells
What word, beginning with ‘g’, is another word for the reproductive cells
Gametes
What are the female gametes called?
Egg Cells
What are the male gametes called?
Sperm cells
What happens during fertilisation?
The nuclei of the sperm and egg fuse together
Name the process when the nuclei of the sperm and egg fuse together
Fertilisation
What is the release of semen from the penis called?
Ejaculation
What happens during ejaculation?
Sperm is released from the penis
What is the ball of cells after fertilisation called?
Embryo
Name the process when an embryo attaches to the uterus.
Implantation
What is the time spent in the uterus from fertilisation to birth called?
Gestation
Name the organ where substances pass from the mother’s blood to the foetus’ blood.
Placenta
Name the cord that links the foetus to the placenta.
Umbilical cord
Approximately how long is a menstrual cycle?
28 days
On what day of the menstrual cycle is an egg released?
Day 14
What happens during menstruation?
Uterus lining breaks down and leaves through the vagina.
The woman is on her period.
What happens during ovulation?
An egg is released.
What is a device used to prevent pregnancy called?
Contraception
What are condoms and contraceptive pills examples of?
Contraception
What do contraceptive pills contain to prevent pregnancy?
Hormones
What is the male reproductive part of a plant called?
Stamen
What is the female reproductive part of the plant called?
Carpel
Name the two parts that make up the stamen.
Anther and Filament
Name the three parts that make up the carpel.
Stigma, Style and Ovary
What is the male plant gamete called?
Pollen
What is the female plant gamete called?
Egg / Ovule
How would a plant with small, dull flowers be pollinated?
By the wind
How would a plant with large, brightly-coloured plants be pollinated?
By insects
What happens during plant fertilisation?
The nucleus of the pollen grain fuses with the egg/ovule.
What is the process called when seeds starts to grow?
Germination
What three things does a plant need to germinate?
- Water
- Oxygen
- Warmth
What are the three main parts of a seed?
- Food store
- Embryo
- Seed coat
What are the four main ways in which seeds can be dispersed?
- Wind
- Animal
- Water
- Explosion