Ahmad bin Majid Internationl Private School
Biology Topic : Characteristics and classification of living organisms
Grade 9 Section-
Name:
MULTIPLE CHOICE QUESTIONS
1. A rat has the scientific name Rattus rattus. What do the two parts of this name refer to?
A genus and species
B kingdom and genus
C kingdom and species
D variety and genus
2. 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
3. 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?
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4. What is a correct way of naming an organism using the binomial system?
A Common buttercup
B ranunculus acris
C Ranunculus acris
D Ranunculus sp.
5. The diagram shows a leaf.
Use the key to identify the plant to which the leaf belongs.
leaves
leaf in leaf in more than
one piece one piece
leaf edge leaf edge leaf edge leaf edge
smooth jagged smooth jagged
Fagus Ulmus Fraxinus Sorbus
sylvatica minor americana aucuparia
A B C D
6. The diagram shows some leaves and flowers of different plants.
Which are from monocotyledons?
A 1 and 3 B 1 and 5 C 2 and 4 D 2 and 5
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7. 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?
A Alderia modesta and Austrominius modestus
B Arenicola cristata and Arenicola marina
C Bittium reticulatum and Clypeostoma reticulatum
D Botryllus schlosseri and Botrylloides leachii
8. Some lizards detach their tails when threatened by a predator.
Which characteristic is shown?
A excretion
B growth
C reproduction
D sensitivity
9. The diagram shows a key for five vertebrates.
START HERE
has legs has no legs
organism T
has feathers has no feathers
organism U
has scales has no scales
organism V organism W
Which class of vertebrates does organism W belong to?
A amphibians
B birds
C fish
D reptiles
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10. 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?
A amphibians
B birds
C bony fish
D mammals
11. The statements describe four different plants.
Which plant must be a monocotyledon?
A The flowers are wind-pollinated.
B The flowers each have five petals.
C The leaves are large with a clear network of veins on them.
D The leaves have parallel veins.
12. All fish, all birds and all mammals are
A animals with internal fertilisation.
B carnivores.
C vertebrates.
D warm-blooded animals.
13. The diagram shows an animal whose scientific name is Falco peregrinus.
To which species does it belong?
A bird
B F. peregrinus
C Falco
D vertebrate
14. Why does the energy needed by a human increase during the first ten years of life?
A Coordination and responses improve.
B Energy is needed for gamete formation.
C The body is growing.
D The diet is more balanced.
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15. Which characteristics of living things are demonstrated by this sequence?
A growth and reproduction
B growth and sensitivity
C nutrition and reproduction
D nutrition and sensitivity
16. The table shows the number of animals collected in a sample from some woodland and the
groups to which they belong.
How many arthropods were collected?
A 33 B 97 C 120 D 160
17. Keys are used in biological identification.
Which statement may appear in a key and alone could identify one of the plants in the diagrams?
A The plant has a single deep root with small branches.
B The plant has many similar roots, arising from a single point.
C The plant has one flower on the stem.
D The plant has pointed leaves.
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EXTENDED QUESTIONS:
1. Fig. 1.1 is an electron micrograph showing the bacteria, Vibrio cholerae.
Fig. 1.1
(a) (i) Bacteria are prokaryotes.
State two distinguishing features of all prokaryotes.
1 ..........................................................................................................................
2 ......................................................................................................................[2]
(ii) The bacteria shown in Fig. 1.1 each have a flagellum.
Suggest the function of the flagellum in bacteria.
................................................................................................................................[1]
2. Table 2.1 shows some features of the five groups of vertebrates.
Complete Table 2.1 to compare the five groups of vertebrates using a tick (√) to indicate if the group
shows the feature, or a cross (x) if not.
The first row has been completed for you.
Table 2.1
group of external ear Mammary
scaly skin feathers
vertebrates (pinna) glands
birds
bony fish
amphibians
reptiles
mammals
(i) State two features which are only found in dicotyledonous plants.
1.
2. ……
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3. Fig. 3.1 shows four different species of crab.
Fig 3.1
(b) Biologists use dichotomous keys to identify different species.
Use Fig. 1.1 and Fig. 1.2 to state one visible feature of each species of crab A, B, C and D, that could
be used in a dichotomous key to identify crabs.
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4. Fig. 4.1 shows seven different species of amphibian.
A B
C D
E F
not drawn to scale
G
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Fig. 4.1
(a) Use the key to identify each species. Write the letter of each species (A to G) in the correct box beside the
key. One has been done for you.
Key
1 (a) long, narrow body, with or without legs go to 2
(b) body not long and narrow, back legs are larger than the front legs go to 5
2 (a) body without legs Gymnopis multiplicata B
(b) body with legs which are all of the same size go to 3
3 (a) raised crest along the back of the body Triturus cristatus
(b) no crest along the back of the body go to 4
4 (a) gills present Necturus maculosus
(b) no gills present Ambystoma tigrinum
5 (a) skin is smooth go to 6
(b) skin is not smooth Oreophrynella quelchii
6 (a) digits end in swellings Polypedates leucomystax
(b) digits do not end in round swellings Rana temporaria
5. Fig. 5.1 shows a buttercup, Ranunculus cymbalaria. shows details of a flower of the same plant.
Fig 5.1
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(a) Explain, using only features visible in Fig. 5.1, why Ranunculus cymbalaria is classified as a
dicotyledonous plant rather than as a monocotyledonous plant.
6. Fig. 6.1 shows a bacterium, a virus and a fungus.
not to scale
Fig. 6.1
(a) Complete the table to compare the three organisms shown in Fig. 6.1 by using a tick (√) to indicate if
the organism shows the feature, or a cross (x) if it does not. The first row has been completed for
you.
features bacteria virus fungus
Produces spores x
hyphae
capsule
nucleus
(b) Explain how the fungus shown in Fig. 6.1 is adapted to obtain its food.
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(c) Explain how the fungus spreads to new sources of food.
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