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igcse-section 1 class practice
By M Wang
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Last updated almost 4 years ago
39 questions
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Question 39
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Some yeast, sugar and water are mixed in a test-tube. The diagrams show the test-tube at the start and after one hour.
Which process causes this change?
growth
reproduction
respiration
sensitivity
Phototropism demonstrates which two characteristics of living organisms?
growth and nutrition
growth and sensitivity
movement and nutrition
nutrition and sensitivity
Some lizards detach their tails when threatened by a predator.
Which characteristic is shown?
excretion
growth
reproduction
sensitivity
The diagram illustrates some of the processes carried out by living organisms.
Which characteristic of living organisms is represented by arrow X?
excretion
nutrition
respiration
sensitivity
What is not a characteristic of all living organisms?
excretion
photosynthesis
reproduction
respiration
The diagram shows how a seed changes after it is planted in well-watered soil.
Which characteristics of living things are demonstrated by this sequence?
growth and reproduction
growth and sensitivity
nutrition and reproduction
nutrition and sensitivity
Which name is given to a group of individuals that can reproduce to produce fertile offspring?
a genus
a kingdom
a species
an organ system
A rat has the scientific name Rattus rattus.
What do the two parts of this name refer to?
genus and species
kingdom and genus
kingdom and species
variety and genus
The table shows the scientific names and the common names of four plants.
Which word in their names shows that two of the plants share the greatest number of features?
marsh
palustris
Viola
violet
The equation shows a chemical reaction that occurs in living organisms.
glucose + oxygen → carbon dioxide + water
Which of these characteristics of living organisms is this equation associated with?
A
B
C
D
What is a correct way of naming a species, according to the binomial system?
Homo sapiens
Homo Sapiens
human being
sapiens
What is a correct way of naming an organism using the binomial system?
Common buttercup
ranunculus acris
Ranunculus acris
Ranunculus sp.
The list shows the scientific names for eight animals, using the binomial system.
Alderia modesta
Arenicola cristata
Arenicola marina
Austrominius modestus
Bittium reticulatum
Botrylloides leachii
Botryllus schlosseri
Clypeostoma reticulatum
Which two animals are most closely related?
Alderia modesta
and
Austrominius modestus
Arenicola cristata
and
Arenicola marina
Bittium reticulatum
and
Clypeostoma reticulatum
Botryllus schlosseri
and
Botrylloides leachii
The diagram shows an animal whose scientific name is Rattus rattus.
Which genus does it belong to?
mammal
rattus
Rattus
vertebrate
What are the characteristics of bony fish?
A
B
C
D
Many snakes that belong to the viper family are unusual in that they give birth to live young.
This is usually a characteristic of which vertebrate group?
amphibians
birds
bony fish
mammals
All fish, all birds and all mammals are
animals with internal fertilisation.
carnivores.
vertebrates.
warm-blooded animals.
Which characteristics do bony fish have?
A
B
C
D
To which phylum does the earthworm
Lumbricus rubellus
belong?
Annelida
Cnidaria
Platyhelmintha
Arthropoda
The image shows the northern sea nettle (
Chrysaora melanaster
).
To which phylum does
C. melanaster
belong?
Porifera
Cnidaria
Platyhelmintha
Annelida
A locust is an arthropod. For invertebrate groups, which recognition feature is found only in arthropods?
Bilateral symmetry
Jointed appendages
Wings
Segmented body
The images show a structure found on members of a phylum of green plants.
What is the name of the phylum to which the organisms belong?
Coniferophyta
Angiospermophyta
Filicinophyta
Bryophyta
An animal has the following characteristics: bilateral symmetry, mouth but no anus, ribbon shape. Which phylum does the animal belong to?
Mollusca
Cnidaria
Annelida
Platyhelmintha
An organism has the following characteristics:
• single opening for ingestion and egestion
• radial symmetry
• tentacles with stinging cells.
In what phylum would it most likely be classified?
Annelida
Cnidaria
Platyhelminthes
Porifera
The image shows an organism belonging to the Kingdom Animalia.
What feature does this organism have in common with all members of the phylum chordata?
Legs and wings
Mouth but no anus
Bilateral symmetry
Chitinous exoskeleton
If seeds of an unknown species of plant are discovered, what assumption can be made about the species?
Its male gametes are contained within pollen.
Its seeds are contained within fruits.
It is in the domain archaea.
It is in the phylum angiospermophyta.
Which phyla have bilateral symmetry?
annelida, arthropoda, platyhelmintha
porifera, arthropoda, platyhelmintha
cnidaria, porifera, mollusca
porifera, annelida, mollusca
Which is the hierarchy of taxa in order of increasing numbers of species?
genus, family, order, class
class, order, genus, family
genus, family, class, order
class, order, family, genus
Which of the organisms A–D, identified by the key, represents a reptile?
A
B
C
D
The diagram shows an animal whose scientific name is Falco peregrinus.
To which species does it belong?
bird
F. peregrinus
Falco
vertebrate
The diagram shows an animal.
Use the key to identify the animal.
1 front limbs with five fingers ....................... go to 2
front limbs with four fingers ...................... go to 3
2 skin with spots .......................................... A
skin without spots ..................................... B
3 tail with fins ............................................... C
tail without fins .......................................... D
A
B
C
D
Use the key to identify the arthropod shown.
1 body divided into segments .................................... go to 2
body not divided into segments .............................. go to 3
2 body has one pair of legs per segment .................. A
body has two pairs of legs per segment ................. B
3 one pair of antennae .............................................. C
two pairs of antennae ............................................. D
A
B
C
D
The diagram shows an animal.
Use the key to identify the animal.
1 has two wings ...................................................... go to 2
has four wings ..................................................... go to 3
2 has antennae much shorter than legs ................. A
has antennae about the same length as legs ...... B
3 has feathery antennae ......................................... C
has smooth antennae .......................................... D
A
B
C
D
The diagram shows an animal.
Use the key to identify this animal.
1 body covered with scales ...................... go to 2
body covered with hair .......................... go to 3
2 has a rounded bill .................................. A
has a pointed bill ................................... B
3 has webbed feet .................................... C
does not have webbed feet ................... D
A
B
C
D
Use the key to identify which group is amphibians.
1 hair present …………………………… mammals
hair absent ……………………………. go to 2
2 feathers present ………………….……group
A
feathers absent ………………….……. go to 3
3 dry scaly skin……………………….….. group
B
moist skin ………………….……….….. go to 4
4 four limbs …………………………….… group
C
no limbs ………...…………….....…...… group
D
A
B
C
D
The diagram shows a key for five vertebrates.
Which class of vertebrates does organism W belong to?
amphibians
birds
fish
reptiles
The diagram shows a leaf.
Use the key to identify the plant to which the leaf belongs.
A
B
C
D
The diagram shows a bird that lives near rivers.
Use the key to identify the bird shown in the diagram.
1 toes joined by a flap of skin ........................... go to 2
toes separate ................................................. A heron
2 beak as long or longer than the head ............ go to 3
beak not as long as the head ........................ B little grebe
3 top of head black ........................................... C avocet
top of head white ........................................... D mute swan
A
B
C
D
Use the key to identify the animal shown in the diagram.
Hexagenia
Dytiscus
Argyroneta
Asellus