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KS3 Biology revision 1

Total questions: 64

Worksheet time: 35mins

Name
Class
Date
1.
A _______ is the basic unit of living things.
a)
vacuole
b)
nutrient
c)
cell
d)
brain
2.
This is a thin layer surrounding all cells that allows water and dissolved materials to pass into and out of the cell.
a)
nucleus 
b)
vacuole 
c)
cell membrane
d)
chloroplast 
3.
This is a jellylike substance that fills much of the cell.
a)
cell membrane 
b)
cytoplasm 
c)
chloroplast
d)
vaculoe 
4.
This is the control center of a cell.
a)
nucleus
b)
vacuole 
c)
cytoplasm
d)
cell wall
5.
When animals increase in size and undergo changes during their life cycle, this is an example of...
a)
growing and developing
b)
reproducing
c)
releasing energy
d)
taking in nutrients 
6.
Is it a living or a non-living thing?
a)
Living thing
b)
Non-living thing
7.
Is it a living or a non-living thing?
a)
Living thing
b)
Non-living thing
8.

Is it a living or a non-living thing?

a)

Living thing

b)

Non-living thing

9.
All living organisms are made up of ____.
a)
Cells
b)
Bacteria
c)
Organs
d)
Tissue
10.
What is reproducing?
a)
To make offspring similar to the parents
b)
To eat
c)
To read
d)
To do homework
11.
What do living things use energy for?
a)
To do things like grow, heal and digest.
b)
To find friends
c)
To succeed in school
d)
To reach their goal
12.
Any living thing is called an
a)
organ
b)
organization
c)
organism
13.

An animal that hunts other animals for food

a)

omnivore

b)

consumer

c)

predator

d)

prey

14.

Break down and absorb nutrients from decaying organisms

a)

prey

b)

ecosystems

c)

consumers

d)

decomposers

15.

An animal that is hunted and eaten by another animal

a)

producer

b)

consumer

c)

predator

d)

prey

16.

Organisms that cannot make their own food. They eat other organisms to get energy.

a)

consumer

b)

predator

c)

prey

d)

omnivore

17.

Animals that feed on herbivores, the primary consumers in a food web.

a)

tertiary consumers

b)

primary consumers

c)

decomposers

d)

secondary consumers

18.

All of the living and nonliving things in an area that interact with one another.

a)

food web

b)

food chain

c)

ecosystem

d)

consumers

19.

An animal that feeds on secondary consumers in a food chain.

a)

secondary consumer

b)

primary consumer

c)

tertiary consumer

d)

producer

20.

Shows how food and energy passes from one organism to another in an ecosystem.

a)

connect the dots

b)

food web

c)

food chain

d)

CEC classes

21.
Which of the following is true for ALL living things? 
a)
All living things can move independently.
b)
All living things need insulin to survive.
c)
All living things have brain cells.
d)
All living things grow.
22.
Which of the following is true for ALL living things? 
a)
All living things eat other organisms to survive.
b)
All living things have muscle fibers.
c)
All living things need oxygen.
d)
All living things reproduce.
23.
All living things use energy.
a)
True.
b)
False.
24.
Why do we breathe? 
a)
We need oxygen to produce energy, which we need to be alive.
b)
We need oxygen to repair tissues.
c)
We need oxygen to digest food.
d)
We need oxygen to fight off pathogens.
25.

What is a Herbivores?

a)

A animal that eats plant

b)

A animal that eats meat

c)

A plant that makes its own food

d)

a plant that eats meat

26.

What is a Carnivore?

a)

A animal that eats plants

b)

A animal that eats meat

c)

A animal that makes it own food

d)

A animal that doesn't eat animals or plants

27.

which one is a Producer?

a)
b)
c)
d)
28.
What is a producer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
29.
What animal is on the top of the food chain? 
*Remember Humans are on the top of all food chains because we do not get hunted. 
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Owl
30.
Who does the owl get energy from? 
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Ow
31.
Who is the producer in this food chain? 
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Ow
32.
Animals that are being hunted and eaten by predators.
a)
prey
b)
extinct
33.
Recently, a family of bobcats moved into an area with a large rabbit population. What changes may occur in the ecosystem?
a)
The rabbit population may increase
b)
The rabbit population may decrease
c)
The rabbit population may increase first, then decrease
d)
The rabbit population will remain the same
34.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
35.
In this energy pyramid, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
36.
The diagram represents a pyramid of energy in an ecosystem.  Which level would most likely contain organisms that do photosynthesis?
a)
A
b)
B
c)
C
d)
D
37.
Which of the following shows the correct pyramid of biomass for the food chain?
a)
A
b)
B
38.
Which organism recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
39.
a rigid supporting layer that surrounds the cells of plants and some other organisms
a)
cell membrane
b)
cell wall
c)
 nucleus
d)
cytoplasm
40.
the thick fluid region of a cell located inside the cell membrane or between the cell membrane and nucleus
a)
cytoplasm
b)
cell wall
c)
organelle
d)
golgi apparatus
41.
In cells a large oval organelle that contains the cells genetic material in the form of DNA and controls many of the cells activities
a)
organelle
b)
ribosome
c)
cell wall
d)
nucleus
42.
a sac like organelle that stores water, food, and other matter
a)
vacuole
b)
lysosome
c)
cytoplasm
d)
cell wall
43.

Cell

a)

Made up of many organs all working towards the same purpose.

b)

Component of a cell. Each one has a particular function within the cell.

c)

A group of tissues working together to carry out a particular function.

d)

Smallest living unit of an organism. Made of organelles.

44.

Organism

a)

Made up of many organs all working towards the same purpose.

b)

A group of tissues working together to carry out a particular function.

c)

This is a living thing. It can either be made up of one cell (e.g. bacteria) or many cells (e.g. human)

d)

Made up of many organs all working towards the same purpose.

45.

Contains chlorophyll (green pigment) and uses the sun to make food

a)

cell membrane

b)

cell wall

c)

chloroplast

d)

cytoplasm

46.

rigid outer layer that supports and allows it to grow tall

a)

cell membrane

b)

cell wall

c)

chloroplast

d)

cytoplasm

47.

controls movement of materials in and out of the cell, maintains homeostasis

a)

cell membrane

b)

cell wall

c)

chloroplast

d)

cytoplasm

48.

jelly like material that protects cell organelles

a)

cell membrane

b)

cell wall

c)

chloroplast

d)

cytoplasm

49.

"power house" of the cell - converts sugar into energy

a)

cytoplasm

b)

mitochondrion

c)

nucleus

d)

vacuoles

50.

fluid-filled sacs that store food

a)

cytoplasm

b)

mitochondrion

c)

nucleus

d)

vacuoles

51.

the brain of the cell

a)

cytoplasm

b)

mitochondrion

c)

nucleus

d)

vacuoles

52.

Which of these is not found in the animal cell and is found in the plant cell? Pick more than one

a)

cell membrane

b)

cell wall

c)

chloroplast

d)

cytoplasm

53.

What is #1 in the diagram?

a)

nucleus

b)

cell wall

c)

cytoplasm

d)

mitochondrion

54.

What is #2 in the diagram?

a)

vacuoles

b)

cell membrane

c)

chloroplast

d)

nucleus

55.

What is #3 in the diagram?

a)

vacuoles

b)

cell membrane

c)

chloroplast

d)

nucleus

56.

What is #4 in the diagram?

a)

vacuoles

b)

cell membrane

c)

chloroplast

d)

nucleus

57.

What is #5 in the diagram?

a)

nucleus

b)

cell wall

c)

cytoplasm

d)

mitochondrion

58.

What is #1 in the diagram?

a)

nucleus

b)

cell wall

c)

cytoplasm

d)

mitochondrion

59.

What is #2 in the diagram?

a)

vacuoles

b)

cell membrane

c)

chloroplast

d)

nucleus

60.

What is #3 in the diagram?

a)

vacuoles

b)

cell membrane

c)

chloroplast

d)

nucleus

61.

What is #4 in the diagram?

a)

nucleus

b)

cell wall

c)

cytoplasm

d)

mitochondrion

62.

What is #5 in the diagram?

a)

vacuoles

b)

cell membrane

c)

chloroplast

d)

nucleus

63.

What is #6 in the diagram?

a)

nucleus

b)

cell wall

c)

cytoplasm

d)

mitochondrion

64.

What is #7 in the diagram?

a)

vacuoles

b)

cell membrane

c)

chloroplast

d)

nucleus

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