wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Year 8 Cells Revision

Total questions: 88

Worksheet time: 53mins

Name
Class
Date
1.

What does the acronym MRS GREN stand for in relation to the signs of life?

a)

Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Nutrition

b)

Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Nourishment

c)

Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Navigation

d)

Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Neutrality

2.

Which life process is responsible for removing waste products from the body?

a)

Respiration

b)

Excretion

c)

Nutrition

d)

Sensitivity

3.

What is the basic building block of life in the human body?

a)

Organs

b)

Tissues

c)

Cells

d)

Organ systems

4.

Is this an animal or plant cell?

a)

Animal

b)

Plant

5.

What is the role of the cell wall in a plant cell?

a)

Makes the cell firm when it is full of water

b)

Site of photosynthesis

c)

Gives the cell structural support

d)

Controls which substances leave or enter the cell

6.

Which structure contains DNA and controls the activities of the cell?

a)

Cell membrane

b)

Cytoplasm

c)

Nucleus

d)

Vacuole

7.

What is the role of a chloroplast in the plant cell?

a)

Gives the cell structural support

b)

Absorbs sunlight to make food

c)

Site of chemical reactions

d)

Controls the activities of the cell

8.

Where in the cell do chemical reactions take place?

a)

Cytoplasm

b)

Nucleus

c)

Cell wall

d)

Chloroplasts

9.

What is the main function of the cell membrane in a cell?

a)

Provides structural support

b)

Site of photosynthesis

c)

Stores genetic material

d)

Controls which substances enter or leave the cell

10.

Where are palisade cells located?

a)

In the blood

b)

In the leaf

c)

At the end of plant roots

d)

In the female ovary

11.

What is the function of egg cells?

a)

To carry oxygen to the cells

b)

To carry the mother's DNA

c)

To absorb sunlight for photosynthesis

d)

To carry messages up and down the body

12.

Which cell is packed with red pigment to carry oxygen?

a)

Nerve cell

b)

Palisade cell

c)

Red blood cell

d)

Root hair cell

13.

Where are ciliated cells located?

a)

In plant stems

b)

In air passages in lungs

c)

In male testes

d)

All over the body

14.

What is the structure of muscle cells?

a)

They have tiny hairs called cilia

b)

They have a long tail to swim

c)

They have many fibres that can lengthen and shorten

d)

They have rings of tough material to strengthen them

15.

What is the function of the digestive system?

a)

Allows exchange of carbon dioxide and oxygen

b)

Breaks food down into small soluble pieces

c)

Gets rid of waste from the body

d)

Produces eggs and sperm to make a new person

16.

Which organ system in the human body gets rid of waste?

a)

Digestive system

b)

Excretory system

c)

Circulatory system

d)

Skeletal system

17.

Which organ system gives us support and protection?

a)

Nervous system

b)

Skeletal system

c)

Circulatory system

d)

Digestive system

18.

Levels of Organisation - which is the correct order?

a)

Tissue - Organ - Cell - Organ System - Organism

b)

Cell - Tissue - Organism - Organ System - Organ

c)

Cell - Tissue - Organ - Organ System - Organism

d)

Cell - Tissue - Organ System - Organ - Organism

19.

What tool is needed to see cells clearly?

a)

Telescope

b)

Microscope

c)

Magnifying glass

d)

Binoculars

20.

What is the formula for calculating total magnification in a microscope?

a)

Total magnification = eyepiece lens + objective lens

b)

Total magnification = eyepiece lens ÷ objective lens

c)

Total magnification = eyepiece lens × objective lens

d)

Total magnification = eyepiece lens - objective lens

21.

What happens to the appearance of the letter 'e' when viewed under a microscope at x40 magnification?

a)

It appears larger, upside down, and back to front.

b)

It appears smaller and upright.

c)

It appears larger and upright.

d)

It appears smaller, upside down, and back to front.

22.

What tool is used to peel off a thin layer of onion cells when making an onion slide?

a)

Tweezers

b)

Forceps

c)

Needle

d)

Scissors

23.

Why is a single layer of onion cells used when preparing a slide?

a)

To make the slide easier to handle.

b)

To allow light to pass through.

c)

To prevent the cells from drying out.

d)

To make the cells appear larger under the microscope.

24.

What is the purpose of placing iodine on the onion cells?

a)

To make the slide slippery.

b)

To stain the structures for better visibility.

c)

To prevent the onion cells from drying out.

d)

To magnify the cells.

25.

The (a)   controls what enters and leaves the cell

26.

Both plant and animal cells have a _______ , cytoplasm, and cell membrane.

a)

nucleus

b)

chloroplast

c)

cell wall

d)

vacuole

27.

What is structure Y

a)

Nucleus

b)

Cell membrane

c)

Cytoplasm

d)

Vacuole

28.

What is structure X

a)

Nucleus

b)

Cell membrane

c)

Cytoplasm

d)

Cell wall

29.

What is the white structure in the middle

a)

Vacuole

b)

Cytoplasm

c)

Nucleus

d)

Cell wall

30.

Which cell is the ciliated cell?

a)

A

b)

B

c)

E

d)

C

e)

D

31.

Which cell is a root hair cell?

a)

A

b)

B

c)

E

d)

C

e)

D

32.

What stain is used on cheek cells?

a)

Iodine Solution

b)

Methylene blue

c)

Benedict's reagent

d)

Biuret reagent

33.

What stain is used on onion cells?

a)

Iodine Solution

b)

Methylene blue

c)

Benedict's reagent

d)

Biuret reagent

34.

Main Organs: Heart and blood vessels

a)

Excretory system

b)

Nervous system

c)

Circulatory system

d)

Respiratory system

35.

The nucleus ________________ the cell.

a)

sings in

b)

swims in

c)

stands

d)

controls

36.

What is this cell's purpose?

a)

To do photosynthesis

b)

To transport oxygen

c)

To reach egg cell and fertilise it

d)

To transport nutrients

37.

What is the name of this type of cell?

a)

Egg cell

b)

Tadpole

c)

Sperm cell

d)

Reproductive cell

38.

What is this cell's purpose?

a)

To carry oxygen

b)

To give you energy

c)

To make your blood red

d)

To fight off disease

39.

What is this type of cell?

a)

White blood cell

b)

Red blood cell

c)

Skin cell

d)

Hair cell

40.

What is Part B?

a)

Objective lens

b)

Eyepiece

c)

Light

d)

Coarse focus

41.

What is Part E?

a)

Objective lens

b)

Eyepiece

c)

Light

d)

Coarse focus

42.

What is part A?

a)

Objective lens

b)

Eyepiece

c)

Light

d)

Coarse focus

43.

If light travels through two lenses of magnification x10, then x20, the overall magnification will be:

a)

x10

b)

x30

c)

x200

d)

x1020

44.

Which type of specialized cell carries oxygen from the lungs all over the body?

a)

red blood cells

b)

skin cells

c)

muscle cells

d)

nerve cells

45.

The basic unit of life is called a…..

a)
atom
b)
compound
c)
cell
d)
energy
46.

Which of these is ONLY present in plant cells?

a)

Cell Membrane

b)

Cell Wall

c)

Nucleus

47.

When looking at an onion cell under a microscope, a thin slice of onion tissue is placed on a slide, a small drop of dye is placed on the tissue. What should be done next?

a)

A drawing of the onion cells should be made

b)

The coarse focus is adjusted until the cells become visible.

c)

A coverslip is placed over the onion tissue.

d)

The onion is cut into thin slices.

48.

What type of specialised cell is this?

a)

Nerve cell

b)

ciliated cell

c)

sperm cell

d)

egg cell

49.

What is the function of ciliated epithelial cells?

a)

To carry out photosynthesis

b)

To waft dirt and bacteria away from the lungs

c)

To carry oxygen

d)

To absorb in water in plants

50.

What are the adaptations of a red blood cell? (choose 2)

a)

It doesn't have a nucleus to allow more room for oxygen

b)

It has a large surface area, so more oxygen can be absorbed

c)

It has lots of chloroplasts

d)

It has tail for swimming

51.

What is the main reason cheek cells do not have chloroplasts?

a)

They are not exposed to sunlight

b)

They are animal cells and do not perform photosynthesis

c)

They lack a nucleus

d)

They have a thick cell wall

52.

What is the main reason why onion skin cells do not contain chloroplasts?

a)

They are not living cells

b)

They are from a part of the plant that does not receive light to do photosynthesis

c)

They are animal cells

d)

They lack a nucleus

53.

Which structure is present in onion skin cells but absent in human cheek cells?

a)

Nucleus

b)

Cell wall

c)

Cytoplasm

d)

Cell membrane

54.

Which of the following best describes the shape of a typical human cheek cell?

a)

Rectangular

b)

Irregular and rounded

c)

Hexagonal

d)

Star-shaped

55.

The cell is surrounded by two layers (labelled C). What is the outer layer of the cell called?

a)

Nucleus

b)

Cell Wall

c)

Cell Membrane

d)

Cytoplasm

56.

What is labelled A (the circle in the middle of the cell)?

a)

Nucleus

b)

Cell Wall

c)

Cell Membrane

d)

Cytoplasm

57.

Which of the following IS one of the words in "Mrs Gren"?

a)

nutrition

b)

sensible

c)

respite

d)

sublimation

58.

Which of the following is not one of the words in "Mrs Gren"?

a)

movement

b)

sensitivity

c)

growth

d)

execution

59.

What piece of equipment is used to help to lower the coverslip onto the specimen?

a)

coverslip

b)

slide

c)

mounted needle

d)

iodine

60.

What stain did we use to help us to see the onion cells?

a)

methylene blue

b)

water

c)

iodine

d)

objective lens

61.

What do you call the small square of glass that covers the specimen on a slide?

a)

coverslip

b)

iodine

c)

stain

d)

slide

62.

What would the letter "F" look like under the scope ?

a)
b)
c)
d)
63.

Where do you place the slide on when using a microscope?

a)

diaphragm

b)

stage

c)

stage clips

64.

What happens to the image on the slide when you switch from low to high power on the micrscope?

a)

you see more detail on the image

b)

you see less detail on the image

c)

the image becomes blurry

65.

The two parts we hold to carry the microscope safely.

a)

arm and base

b)

arm and body tube

c)

eyepiece and base

d)

stage and arm

66.

This is where the specimen slide is placed for observation.

a)

diaphragm

b)

arm

c)

base

d)

stage

67.

If the eyepiece has a magnification of 10 and you use the objective lens with a magnification of 40, the total magnification would be...

a)

x 140

b)

x 40

c)

x 400

d)

x 4

68.

Which of the following should you NOT do when handling a microscope?

a)

Only use lens paper for cleaning

b)

Carry with one hand

c)

Always store covered

d)

Be careful of cords

69.
Find the total magnification: 
Eyepiece = 10X 
Objective lens = 55X  
a)
10x
b)
55x
c)
65x
d)
550x
70.
What power do you start with when using a microscope?
a)
High power
b)
Medium power
c)
Low power
d)
Extra high power
71.

What is number 16?

a)

nosepiece

b)

objective lens

c)

arm

d)
eyepiece
72.
What is number 15?
a)
light source
b)
base
c)

coarse focussing wheel

d)

fine focussing wheel

73.

What piece holds the microscope slide in place ?

a)

Base

b)

Diaphragm

c)

Stage Clips

d)

Stage

74.

What piece is the platform that supports the microscope slide?

a)

Base

b)

Diaphragm

c)

Stage Clips

d)

Stage

75.
When looking at a specimen on your slide, you should always start with the
a)

low power objective lens

b)

medium power objective lens

c)

high power objective lens

76.

In boys, where is the hormone that causes puberty produced?

a)

Ovaries

b)

Testes

77.
Which statement is correct?
a)
a) Boys start puberty at the same time as girls.
b)
b) Boys start puberty earlier than girls.
c)
c) Boys start puberty later than girls.
d)
d) Boys start puberty at different times, sometimes before and sometimes after girls.
78.

During puberty, __________ grows under the arms and pubic areas.

a)

glands

b)

mood

c)

hormones

d)

hair

79.

Which of these changes happens during puberty to boys AND girls?

a)

Pubic hair grows

b)

Hips widen

c)

Testes produce sperm

d)

Voice gets deeper

80.

Which of these changes happens during puberty for GIRLS only?

a)

Periods start

b)

Body odour

c)

Testes produce sperm

d)

Chest hair grows

81.

Which of these changes happens during puberty for BOYS only?

a)

Voice gets deeper

b)

Period starts

c)

Hips widen

d)

Hair under arms

82.
These chemicals tell the body to change and grow during puberty.
a)

cells

b)
respiratory
c)
digestive
d)
hormones
83.

Which age approximately for boys to begin puberty?

a)

12-14 years old

b)

14-16 years old

c)

13- 18 years old

d)

10- 17 years old

84.

Which age approximately for girls to begin puberty?

a)

10- 12 years old

b)

12- 16 years old

c)

12- 14 years old

d)

10- 16 years old

85.

What changes do Boys ONLY have during puberty?

a)

grow body hair

b)

shoulders widen

c)

hips widen

86.

What is puberty?

a)

when boys and girls change and are able to reproduce

b)

when teenagers yell

c)

when teenagers

get taller

d)

when teenagers get stronger

87.

Males and females start puberty at the same time.

a)

true

b)

false

88.

In girls, where is the hormone that causes puberty produced?

a)

Ovaries

b)

Testes