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B1 Cells GCSE revision

Total questions: 82

Worksheet time: 1hrs 11mins

Name
Class
Date
1.

All living things are composed of one or more cells.

a)

True

b)

Falso

2.

The ________ controls the movement of materials into and out of the cell.

a)

cell membrane

b)

nucleus

c)

cytoplasm

d)

mitochondrion

3.

What structure in a plant cell enables the cell to capture energy from the Sun?

a)

cell wall

b)

chloroplast

c)

mitochondrion

d)

central vacuole

4.

Which type of cell can make its own food?

a)

animal

b)

plant

5.

____________ is the gel-like substance where chemical reactions happen in a cell?

a)

cytoplasm

b)

chlorophyll

c)

water

6.

Which organelle is where aerobic respiration occurs?

a)

Mitochondria

b)

Chloroplast

c)

Cytoplasm

d)

Ribosome

7.

Which organelle controls the actitivies of the cell and contains DNA?

a)

Cell Membrane

b)

Cytoplasm

c)

Nucleus

d)

Mitochondria

8.

Which organelle is where protein synthesis happens?

a)

Chloroplast

b)

Mitochondria

c)

Ribosome

d)

Nucleus

9.

What is the function of the cytoplasm?

a)

To control what enters and exits a cell.

b)

It is where chemical reactions occur.

c)

To control the activities of a cell.

d)

It is where photosynthesis happens.

10.

Which organelle controls the actitivies of the cell and contains DNA?

a)

Cell Membrane

b)

Cytoplasm

c)

Nucleus

d)

Mitochondria

11.

What is the name of the process where particles move from a high concentration to a low concentration (down a concentration gradient)?

a)

Diffusion

b)

Osmosis

c)

Active Transport

12.

If an image is blurry under a microscope, how do you make it clearer?

a)

Change the objective lens to a higher magnification.

b)

Turn on the light or adjust the mirror.

c)

Turn the focusing wheel until the image is focused.

d)

Use a different eyepiece lens.

13.

Which statement is false about active transport?

a)

It requires energy.

b)

It requires a membrane.

c)

It moves particles down the concentration gradient.

d)

It moves particles against the concentration gradient.

14.

What is osmosis?

a)

Movement of water from a concentrated solution to a dilute solution.

b)

Movement of water from a dilute solution to a concentrated solution.

15.

In osmosis, water moves through a partially permeable membrane.


What is a partially permeable membrane?

a)

A membrane which allows everything through

b)

A membrane which allows somethings through but not everything.

c)

A membrane which only allows water through it.

16.

What is meant by a prokaryotic cell?

a)

A cell without a nucleus

b)

A cell with a nucleus

c)

A cell without a cell membrane

d)

A cell with two nuclei.

17.

What is a specialized cell?

a)

A cell suited to a particular job/function

b)

A cell which has no job/function

c)

A cell without a nucleus.

d)

A cell with no DNA.

18.

How is a sperm cell adapted for its function? Select all that are true.

a)

A tail/flagella to allow it to swim to the egg.

b)

Lots of chloroplasts to release energy for it to swim.

c)

An enzyme in its head to break down the membrane of the egg.

d)

Lots of mitochondria to release energy for it to swim.

19.

What is a solute?

a)

The dissolved substance in a solution, e.g. sugar or salt.

b)

The liquid in which the solute dissolves.

c)

Mixture formed by a solute and a solvent.

20.

What is a solution?

a)

The dissolved substance in a solution, e.g. sugar or salt.

b)

The liquid in which the solute dissolves.

c)

Mixture formed by a solute and a solvent.

21.

What is a solvent?

a)

The dissolved substance in a solution, e.g. sugar or salt.

b)

The liquid in which the solute dissolves.

c)

Mixture formed by a solute and a solvent.

22.

Which organelle is where aerobic respiration occurs?

a)

Mitochondria

b)

Chloroplast

c)

Cytoplasm

d)

Ribosome

23.

Which organelle is where protein synthesis happens?

a)

Chloroplast

b)

Mitochondria

c)

Ribosome

d)

Nucleus

24.
what do genes code for?
a)
Fats
b)
proteins
c)
glucose
d)
Oxygen
25.

Which component of plant cells helps to stop plants from wilting by storing water?

a)

Nucleus

b)

Chloroplast

c)

Vacuole

d)

Mitochondria

26.

This part of the cell is where respiration happens to give cells energy

a)

Nucleus

b)

Mitochondrion

c)

Cell membrane

d)

Cytoplasm

27.

This part of the cell is where chemical reactions take place

a)

Cell membrane

b)

Cytoplasm

c)

Nucleus

d)

Chloroplast

28.

This part of the cell stores genetic material

a)

Nucleus

b)

Cell membrane

c)

Cytoplasm

d)

Mitochondrion

29.

A scientist is observing an unknown unicellular organism and notices it doesn't have any chloroplasts. Which two conclusions can they make about the organism?

a)

It lives in dark places

b)

It lives in water

c)

It's likely an animal cell

d)

It has no nucleus

30.

What should be the first step when deciding which magnification to use on a microscope to observe something?

a)

Set it to maximum magnification

b)

Set it to the lowest possible magnification

c)

Adjust the focus

31.

Which of these are correct statements about red blood cells?

a)

They have a large surface areas

b)

They have no nucleus

c)

They are plant cells

d)

They have no cytoplasm

32.

Which feature of a root hair cell ensures it has a large surface area?

a)

It is disc shaped

b)

It has a chloroplast

c)

It has an extension/hair

d)

It's transparent

33.

What is this?

a)

A chloroplast

b)

A mitochondrion

c)

A ribosome

d)

A nucleus

34.

Which cell is the animal cell?

a)

Cell 1

b)

Cell 2

35.

Which part of a cell controls the entry and exit of substances?

a)

Cell wall

b)

Cytoplasm

c)

Cell membrane

d)

Ribosomes

36.

What are F, G and H?

a)

cell membrane, ribosome, mitochondrion

b)

cell wall, nucleus, cell membrane

c)

cell membrane, mitochondrion, permanent vacuole

d)

cell wall, chloroplast, permanent vacuole

37.

What is this?

a)

a plant cell

b)

an animal cell

c)

a chloroplast

d)

a mitochondrion

38.

Which of the answers is in the correct size order? smallest to biggest? (picture is NOT to scale)

a)

Bacteria cell, animal cell, plant cell

b)

Animal cell, bacterial cell, plant cell

c)

Bacteria cell, plant cell, animal cell

d)

Plant cell, animal cell, bacteria cell

39.

Which cell component (part) contains DNA?

a)

B

b)

E

c)

G

d)

H

40.

What is represented by the letter C?

a)

ribosome

b)

permanent vacuole

c)

cytoplasm

d)

cell wall

41.

Which cell component makes proteins?

a)

Mitochondria

b)

Chloroplasts

c)

Nucleus

d)

Ribosomes

42.

Which letter represents part of a cell that contains cellulose?

a)

D

b)

F

c)

G

d)

H

43.

Where would you find cell sap?

a)

A

b)

C

c)

E

d)

H

44.

Which cell component strengthens the cell and provides support?

a)

cell membrane

b)

mitochondria

c)

nucleus

d)

cell wall

45.

Which of the following would you NOT find in a bacterial cell

a)

cytoplasm

b)

nucleus

c)

ribosomes

d)

mitochondria

46.

What is the structure with a question mark called?

a)

plasmid

b)

cell membrane

c)

flagellum

d)

chromosome

47.

What is the part of the animal cell that is labelled by A?

a)

Cell membrane

b)

Chloroplast

c)

Mitochondrion

d)

Nucleus

48.

Which of these units is most suitable for measuring the length of a cell?

a)

Kilometre

b)

Metre

c)

Centimetre

d)

Micrometre

49.

By which two processes does glucose enter cells in the human body?

Tick two boxes.

a)

Active transport

b)

Diffusion

c)

Digestion

d)

Osmosis

e)

Transpiration

50.

Choose one word to complete the sentence.

The structure in a cell that controls the cell's activities is called the _________

a)

Cell membrane

b)

Cytoplasm

c)

Mitochondrion

d)

Nucleus

51.

How many millimetres are there in a metre?

a)

10

b)

1000

c)

.1

d)

100

52.

This question is about an animal cell.

How do you describe a cell that has a nucleus?

a)

Eukaryotic

b)

Prokaryotic

c)

Archaea

d)

Bacteria

53.

What process takes place in the mitochondria?

a)

Aerobic respiration

b)

Photosynthesis

c)

Anaerobic respiration

d)

Transpiration

54.

What is found inside a nucleus in a cell?

a)

Chromosomes

b)

Vacuole

c)

Cell membrane

d)

Ribosomes

55.
What type of cell is this?
a)
animal
b)
plant
c)
bacteria
d)
algae
56.
Which of these would you not find in an animal cell?
a)
cell membrane
b)
cell wall
c)
nucleus
d)
ribosome
57.
Stem cell research is controversial because in involves?
a)
social issues
b)
ethical issues
c)
educational issues
d)
economical issues
58.
What is the result of mitosis?
a)
1 cell
b)
2 genetically identical cells
c)
2 genetically different cells
d)
4 genetically identical cells
59.

How many chromosomes do humans have in a typical body cell?

a)

46

b)

23

c)

21

d)

42

60.
Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have -
a)
16 chromosomes.
b)
46 chromosomes.
c)
8 chromosomes.
d)
4 chromosomes.
61.
In mitosis, the two resulting cells are
a)
different from the starting cell and identical to each other.
b)
different from the starting cell and different from each other.
c)
identical to the starting cell and different from each other.
d)
identical to the starting cell and identical to each other.
62.

A human cell has 46 chromosomes before mitotic division. How many chromosomes will the daughter cells have after mitosis?

a)

12

b)

23

c)

46

d)

92

63.

What type of microscope has the highest resolving power?

a)

light

b)

electron

c)

neither

64.

What type of cell is this?

a)

prokaryotic

b)

eukaryotic

65.
What cell structure is letter C?
a)
mitochondrion
b)
chloroplast
c)
nucleus
d)
cell membrane
66.

What is a solute?

a)

A substance dissolved in another substance

b)

the substance doing the dissolving

67.

How do the particles move in diffusion?

a)

From a region of low concentration to a region of high concentration

b)

From a region of high concentration to a region of low concentration

c)

From a region of low concentration to a region of low concentration

d)

From a region of high concentration to a region of high concentration

68.

How does the body remove carbon dioxide from the cells?

a)

The body cells converts carbon dioxide into carbon monoxide

b)

The body cells don't expel the waste, they store them for future use

c)

The body cells expel the carbon dioxide through the use of the nucleus

d)

The carbon dioide diffuses out of the body cells and into the bloodstream due to differences in the concentration gradient

69.

What does a 'region with high concentration' mean?

a)

An area with a SMALL number of particles

b)

An area with a LARGE number of particles

c)

An area with an UNEVEN number of particles

d)

An area with no particles

70.

When does diffusion stop?

a)

After a day and a night

b)

When the particles are evenly spread out

c)

When there are no particles left

d)

When all the particles leave the system

71.

Diffusion is the natural movement of molecules from:

a)

Areas of low concentration to areas of high concentration

b)

Areas of high concentration to areas of low concentration

c)

Cold to hot environments

d)

Gaseous to liquid environments

72.

Why is diffusion so important in biology?

a)

It's the basic power source for most types of cells

b)

It allows substances to move across cell membranes

c)

It prevents toxins from entering our bodies

d)

Without diffusion, cell division could not take place

73.

What does “area of high concentration” mean?

a)

Spread out

b)

Tightly packed together

c)

Uncrowded

d)

Spacious

74.

An increase in temperature does what to diffusion?

a)

Speeds it up

b)

Slows it down

c)

Nothing

d)

Stops it all together

75.
Osmosis is the diffusion of _____ across a selectively permeable membrane.
a)
food
b)
air
c)
water
d)
oxygen
76.
The movement of water through a semi-permeable membrane is called?
a)
cell membrane
b)
respiration
c)
osmosis
d)
diffusion
77.
Where is there a low concentration of dye?
a)
at the bottom of cup
b)
in the color
c)
at the top of cup 
d)
no concenteraion gradient
78.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
79.
During osmosis
a)
water moves from high to low concentration
b)
large or oddly shaped molecules move across a cell membrane
c)
water moves when energy is used
d)
proteins are built
80.
The diffusion of water through a semi-permeable membrane is called?
a)
Osmosis
b)
Cell wall
c)
Diffusion
d)
Respiration
81.
Where is there a high concentration of water?
a)
in the flower
b)
cannot be determined by picture.
c)
in the vase
d)
in the leaves
82.
When both inside and outside of a cell have the same amount of water it is said that the cell has reached a state of
a)
Osmosis
b)
Diffusion
c)
Equilibrium

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