Characteristics and

Classification of Living
Organisms
CHAPTER 1 DR..MOATAZ BEDEWEY CLASSIFIED PAPER 2

1 The diagram shows an arthropod.

pincer

legs

To which group does it belong?

A annelids
B arachnids
C insects
D myriapods
CHAPTER 1 DR..MOATAZ BEDEWEY CLASSIFIED PAPER 2

2
Worms come to the soil surface after heavy rain. Which

characteristic of living organisms does this show?

A growth
B nutrition
C reproduction
D sensitivity

3 Which animal is not an arthropod?

A B

C D

4 The diagram shows a sea lion.

Which labelled feature shows that this animal is a mammal?

A
streamlined body

D
whiskers

C
skin
B
flipper
CHAPTER 1 DR..MOATAZ BEDEWEY CLASSIFIED PAPER 2

5 The diagram shows an animal found in fresh water.

Use the key to identify the animal.

1 body divided into segments ............... go to 2

body not divided into segments ......... go to 3
2 straight body ...................................... animal A
curved body ....................................... animal B
3 has a shell ......................................... animal C
has no shell ....................................... animal D

6 The diagrams show a plant at the start of an experiment, and the same plant two days later.

light from
one side

start of experiment after two days

Which characteristic of living organisms is not demonstrated by this experiment?

A excretion
B growth
C movement
D sensitivity
CHAPTER 1 DR..MOATAZ BEDEWEY CLASSIFIED PAPER 2

7 An animal can swim, has a backbone, suckles young and breathes air.

To which group does it belong?

A amphibians
B fish
C mammals
D reptiles

8 What is a feature of both insects and arachnids?

A antennae
B compound eyes
C exoskeleton
D six legs

9 The diagram shows an amoeba, a single-celled living organism.

oxygen diffuses into the cell

X
carbon dioxide diffuses out of the cell
nucleus

food vacuole

The movement of gases at X indicates the occurrence of which process or processes in the cell?

A excretion and nutrition

B excretion and respiration
C nutrition and respiration
D respiration only

10 Which are characteristics of insects?

have two
have six legs
body sections

A  
B  
C  
D  
CHAPTER 1 DR..MOATAZ BEDEWEY CLASSIFIED PAPER 2

11 A student observed a vertebrate swimming in a pond. The animal’s surface was smooth and
hairless. It used its four legs to swim. At intervals, the animal came to the surface to take
mouthfuls of air.

To which vertebrate class does this animal belong?

A amphibians
B fish
C mammals
D reptiles

12 The picture shows an animal.

What is the name of this animal according to the binomial system?

A catus
B male African lion
C Panthera leo
D top African carnivorous cat

13 What is respiration?

A breathing
B giving out carbon dioxide
C releasing energy from food
D taking in oxygen
CHAPTER 1 DR..MOATAZ
ATAZ BEDEWEY CLASSIFIED PAPER 2

14 A living organism, X, can make its own food, get rid of toxic materials and detect and respond to
stimuli.

What other four processes must organism X carry out to stay alive?

A excretion, growth, movement, sensitivity

B excretion, growth, nutrition, respiration
C growth, movement, reproduction, respiration
D movement, reproduction, respiration, sensitivity

15 Which group of organisms has the following features?

● three pairs of jointed legs

● three-part segmented body
● one pair of antennae

A arachnids
B crustaceans
C insects
D myriapods

16 The table shows some characteristics of four different vertebrates.

Which vertebrate is a reptile?

fins legs
egs sc hair

A

 key
B 


= feature present
C 
  = feature absent
D 


CHAPTER 1 DR..MOATAZ
ATAZ BEDEWEY CLASSIFIED PAPER 2

17 The diagram shows a fish.

dorsal fin

caudal fin

pectoral fin
anal fin

pelvic fin

Use the key to identify the fish.

1 black stripe across the eye ....................................... go to 2

no black stripe across the eye .................................. A
2 black stripe on caudal fin .......................................... go to 3
no black stripe on caudal fin ..................................... B
3 black spot below dorsal fin ....................................... C
no black spot below dorsal fin .................................. D

18 Which process in plant cells uses chlorophyll?

A growth
B nutrition
C movement
D respiration
CHAPTER 1 DR..MOATAZ
ATAZ BEDEWEY CLASSIFIED PAPER 2

19 The diagram shows the external features of an animal.

To which group does the animal belong?

A annelids
B arthropods
C molluscs
D nematodes

20 Which vertebrate groups have scaly skin?

A amphibians and fish

B amphibians and mammals
C fish and mammals
D fish and reptiles

21 Which characteristic of living organisms is described by the following definition?

‘The ability to detect changes in the environment and make responses’.

A excretion
B movement
C respiration
D sensitivity

22 What is the correct order of arthropod groups, from those with most legs to those with fewest
legs?

A arachnids → crustaceans → insects → myriapods

B crustaceans → myriapods → insects → arachnids

C insects → arachnids → myriapods → crustaceans

D myriapods → crustaceans → arachnids → insects

CHAPTER 1 DR..MOATAZ
ATAZ BEDEWEY CLASSIFIED PAPER 2

23 Which animal is an annelid?

1 has legs .............................................. go to 2

has no legs ......................................... go to 3
2 has six legs......................................... organism A
has eight legs ..................................... organism B
3 has a shell .......................................... organism C
has no shell ........................................ organism D

24 Which characteristic is shown when a person smells a gas in the air?

A excretion
B movement
C respiration
D sensitivity

25 The diagram shows an animal.

Use the key to identify the animal.

1 has legs .............................................. go to 2

has no legs ......................................... go to 3
2 has a shell .......................................... animal A
has no shell ........................................ animal B
3 has one muscular foot ........................ animal C
has more than one foot ...................... animal D
CHAPTER 1 DR..MOATAZ
ATAZ BEDEWEY CLASSIFIED PAPER 2

26 An organism has dry scales covering its body.

To which vertebrate group does it belong?

A amphibian
B fish
C mammal
D reptile

27 Which characteristic of living organisms can involve ingestion, absorption and assimilation?

A excretion
B growth
C nutrition
D respiration

28 Which system is used for naming species?

A binomial
B conservation
C dichotomous
D natural selection
CHAPTER 1 DR..MOATAZ
ATAZ BEDEWEY CLASSIFIED PAPER 2

29 What is defined as the chemical reactions that break down food molecules in cells to release
energy?

A excretion
B movement
C nutrition
D respiration

30 The diagram shows a section through a flower.

petal

Using the key, identify this flower.

1 sepals present .............................................. go to 2

sepals absent ............................................... go to 3
2 stamens attached to petals .......................... A
stamens not attached to petals .................... B
3 stigma above anthers ................................... C
stigma below anthers ................................... D

31 Which process produces heat to maintain a person’s body temperature?

A excretion
B nutrition
C reproduction
D respiration
CHAPTER 1 DR..MOATAZ
ATAZ BEDEWEY CLASSIFIED PAPER 2

32 Which shows an organism that has been named using the binomial system?

A Bacterium
B Flowering plant
C HIV
D Homo sapiens

33 The diagram shows a flowering plant.

Use the key to identify the plant.

plant

flower has four petals flower has five petals

leaves with leaves with leaves with leaves with

smooth edges jagged edges smooth edges jagged edges

A B C D

34 Which process removes the waste products of metabolism from the body?

A excretion
B nutrition
C reproduction
D respiration
CHAPTER 1 DR..MOATAZ BEDEWEY CLASSIFIED PAPER 2

35 According to the binomial system, how should a human be named?

A Homo Sapiens
B Homo sapiens
C homo Sapiens
D homo sapiens

36 Which leaf comes from a monocotyledonous plant?

A B C D

37 The diagrams show four different animals. They are not drawn to the same scale.

W X

Y Z

Which are vertebrates?

A W and X B X and Y C Y and Z D W and Z

CHAPTER 1 DR..MOATAZ BEDEWEY CLASSIFIED PAPER 2

38 The diagram shows half a flower.

The following key may be used to identify the plant on which the flower is growing.

1 petals separate from sepals ................................ go to 2

petals and sepals joined ...................................... plant P
2 flower with four stamens ...................................... plant Q
flower with more than four stamens ..................... go to 3
3 ovary as tall as wide ............................................ plant R
ovary taller than wide ........................................... go to 4
4 flower has two petals ........................................... plant S
flower has more than two petals .......................... plant T

To which plant does the flower belong?

A plant P B plant Q C plant R D plant T

CHAPTER 1 DR..MOATAZ BEDEWEY CLASSIFIED PAPER 2

39 The diagram shows some organisms living in water.

plant
animals

decomposers

Which process is carried out by all the living organisms shown?

A photosynthesis
B pollination
C respiration
D transpiration

40 The table lists some of the features of three groups of invertebrates – arthropods, annelids and
molluscs.

Which shows the correct features of each group?

arthropods annelids molluscs

A segmented body, segmented soft body, rarely unsegmented soft body,

exoskeleton and jointed have legs have internal or external
limbs shell
B segmented body, segmented body, segmented soft body, rarely
exoskeleton and jointed exoskeleton and jointed have legs
limbs limbs
C unsegmented soft body, segmented soft body, rarely unsegmented soft body,
have internal or external have legs have internal or external
shell shell
D segmented soft body, rarely unsegmented soft body, segmented body,
have legs have internal or external exoskeleton and jointed
shell limbs
CHAPTER 1 DR..MOATAZ BEDEWEY CLASSIFIED PAPER 2

41 What are characteristics of all organisms?

A egestion and excretion

B egestion and nutrition
C excretion and nutrition
D excretion and photosynthesis

42 The table shows the classification of four vertebrate animals.

Which two organisms are most closely related?

A 1and 2 B 1 and 3 C 2 and 3 D 2 and 4

43 Living animals release carbon dioxide.

This is an example of which life process?

A excretion
B movement
C nutrition
D sensitivity

44 Which of these features is used to classify organisms as flowering plants?

A roots with hairs

B seeds within fruits
C single-celled spores
D underground stems
CHAPTER 1 DR..MOATAZ BEDEWEY CLASSIFIED PAPER 2

45 The diagram shows a leaf.

Use the key to identify the leaf.

1 leaf with several small leaflets ……………………… go to 2

leaf with one large leaf blade………….……………. go to 3
2 leaflets broad and flat ……………………………….. A
leaflets narrow and hair-like ………………………… B
3 leaf with smooth edge ……………………………….. C
leaf with toothed edge ……………………………….. D