Characteristics and classification of living organisms — IGCSE Biology (0610) questions by topic
Characteristics and classification questions infer life processes from an organism's behaviour, such as swimming away from light and laying eggs, name the genus of a chimpanzee species, identify which group myriapods belong to, and pick out classifying features from a magnified aphid diagram.
Identify, state, describe, explain and complete lead 84 real questions worth 1 to 17 marks from 2023 to 2025 papers, the largest count for this topic. Because classification depends on matching an observed feature to its defining group precisely, submitting an answer for instant marking flags exactly which feature, such as segmented legs, has been misapplied to the wrong classification.
May–June 2025, Paper 11
The diagram shows how a seed changes after it is planted in soil and watered. (The diagram shows a four-stage sequence: a bean seed in the soil; the seed beginning to develop a…
Answer this question and get it marked →Which row describes each part of the binomial system name for humans? Homo sapiens --- --- --- A genus kingdom B genus species C species genus D species kingdom
Answer this question and get it marked →What are the characteristics of fish? maintain a constant body temperature eggs covered in jelly external ears present scales present --- --- --- --- --- A yes no yes no B yes yes…
Answer this question and get it marked →May–June 2025, Paper 12
When a herbivore sees a carnivore, which characteristic of living things is involved? A excretion B growth C reproduction D sensitivity
Answer this question and get it marked →Which organism has been named using the binomial system? A Brown seaweed B Polar bear C Red fox D Vulpes vulpes
Answer this question and get it marked →Which list contains only arthropods? A amphibians, insects, myriapods B arachnids, crustaceans, myriapods C crustaceans, insects, fish D insects, myriapods, reptiles
Answer this question and get it marked →May–June 2025, Paper 13
The Venus flytrap is a plant that feeds on insects. When an insect lands on a specially adapted leaf, the leaf folds very quickly and traps the insect. The leaves produce enzymes…
Answer this question and get it marked →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 species and group
Answer this question and get it marked →Which of the animals shown is a crustacean? The diagram shows four animals labelled A to D: A is a winged insect (e.g. a bee/fly with wings and three pairs of legs); B is an…
Answer this question and get it marked →May–June 2025, Paper 21
Which characteristic of living things requires carbon dioxide to diffuse into a leaf? A excretion B movement C nutrition D respiration
Answer this question and get it marked →Which set of features is characteristic only of birds? A hair and wings B hard-shelled eggs and feathers C scales and soft-shelled eggs D wings and soft-shelled eggs
Answer this question and get it marked →May–June 2025, Paper 22
The photograph shows an animal called a margay (a spotted wild cat). Four processes that occur in the margay are listed. - excretion - growth - digestion - respiration How many of…
Answer this question and get it marked →Part of the base sequence of DNA from four species was determined. species 1 T C A G G A T T species 2 T G A G C A A T species 3 T G A G C A A G species 4 T G A G G A T T Which…
Answer this question and get it marked →A single-celled organism has chloroplasts, a cell wall and a nucleus. Which kingdom is this organism placed in? A fungus B plant C prokaryote D protoctist
Answer this question and get it marked →May–June 2025, Paper 23
The diagram shows an aquatic plant in light. [Diagram: a test tube of water containing an aquatic plant at the bottom; light is directed at the plant from the left (arrow labelled…
Answer this question and get it marked →The diagrams show four organisms. Which organism is a prokaryote? [Diagrams (not to scale): A is a rod-shaped cell with a cell wall and coiled circular DNA but no nucleus; B is an…
Answer this question and get it marked →May–June 2025, Paper 31
Reproduction is one characteristic of living organisms. State two other characteristics.
Answer this question and get it marked →May–June 2025, Paper 32
Fig. 7.1 is a photograph of an Asian elephant, Elephas maximus. State the genus name for the Asian elephant.
Answer this question and get it marked →May–June 2025, Paper 33
Gonorrhoea is a sexually transmitted infection caused by a bacterium. Fig. 1.1 is a diagram of the bacterium that causes gonorrhoea. The diagram shows the bacterial cell with…
Answer this question and get it marked →May–June 2024, Paper 41
Fig. 1.1 is a photograph of a fish. Fig. 1.2 is a photograph of an amphibian. State two visible features that distinguish the fish in Fig. 1.1 from the amphibian in Fig. 1.2.
Answer this question and get it marked →May–June 2024, Paper 42
Fig. 5.1 is a photograph of a koala. Koalas are marsupial mammals that give birth to offspring that are incompletely developed; the offspring develops further for several months…
Answer this question and get it marked →May–June 2024, Paper 43
Fig. 2.1 is a photograph of a spider plant, Chlorophytum comosum. Spider plants can reproduce by producing an identical plantlet, which grows away from the single parent plant.…
Answer this question and get it marked →Fig. 6.1 shows a boreal toad, Anaxyrus boreas. This toad is listed as an endangered species. State the genus of the boreal toad.
Answer this question and get it marked →October–November 2024, Paper 11
The diagram shows a leaf on a plant. The diagram shows simple sugars made in the leaf, water taken up from the soil, carbon dioxide from the air, and sunlight reaching the leaf.…
Answer this question and get it marked →Which description of a species is correct? A a group of organisms that can reproduce to produce fertile offspring B a group of animals that can produce genetically different…
Answer this question and get it marked →The diagram shows a dolphin. Dolphins are mammals that live in the sea. Which row correctly identifies some of the features of dolphins (organ of gas exchange; produces milk)? A…
Answer this question and get it marked →October–November 2024, Paper 12
A student exposed a fly larva to light and temperature gradients. They lit the area from one side and made one side of the area warmer than the other. They traced the path of the…
Answer this question and get it marked →The table shows the scientific names and the common names of four plants: Althaea officinalis (marsh mallow); Hottonia palustris (water violet); Viola palustris (marsh violet);…
Answer this question and get it marked →The diagram shows an arthropod. Which group does this arthropod belong to? A arachnid B crustacean C insect D myriapod
Answer this question and get it marked →October–November 2024, Paper 13
Students find a small organism in a pond. They catch it and put it into a large jar of water. They see that the organism swims away from light. It lays some eggs before it is put…
Answer this question and get it marked →Which description of a species is correct? A a group of organisms living at the same time B a group of organisms living in the same area C a group of organisms that can reproduce…
Answer this question and get it marked →The table shows the number of animals collected in a sample from a woodland and the groups to which they belong: arachnids 10; crustaceans 8; insects 80; myriapods 7. How many of…
Answer this question and get it marked →Some vertebrates have body hair. Which group do these vertebrates belong to? A amphibian B bird C mammal D reptile
Answer this question and get it marked →October–November 2024, Paper 21
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…
Answer this question and get it marked →The diagram shows an animal. Using the key, which genus does the animal belong to? Key: has jointed legs - three pairs of legs (- has tail = A Hexagenia; no tail = B Dytiscus) or…
Answer this question and get it marked →Which statement is true for all species of organisms? A A species is a group of organisms that are genetically identical. B A species is a group of organisms that produce fertile…
Answer this question and get it marked →Which group of living organisms includes the myriapods? A arthropods B prokaryotes C protoctists D vertebrates
Answer this question and get it marked →October–November 2024, Paper 22
Which organisms carry out respiration, growth, movement and excretion? A all animals and all plants B animals only C arthropods and flowering plants only D plants only
Answer this question and get it marked →The chimpanzee belongs to the species Pan troglodytes. What is the genus of this species? A chimpanzee B Pan C Pan troglodytes D troglodytes
Answer this question and get it marked →The diagram shows a tree leaf. Use the key to identify the tree species to which the leaf belongs. Key: leaf shape - leaf is simple, with no leaflets (- leaf edge smooth = A Fagus…
Answer this question and get it marked →October–November 2024, Paper 23
What is a description of excretion? A a chemical reaction that releases energy B a permanent increase in size and dry mass C removal of waste products of metabolism D taking in…
Answer this question and get it marked →The scientific name for a domestic horse is Equus caballus. Which row shows the two parts of the name using the binomial system? (columns: Equus; caballus) A kingdom; species B…
Answer this question and get it marked →October–November 2024, Paper 32
A population of a species of fish was accidentally introduced into a lake. State two features that can be used to classify this introduced species as a fish.
Answer this question and get it marked →October–November 2024, Paper 41
Fig. 3.1 shows the structure of the pathogen that causes cholera, with structures labelled A, B, C, D, E, F, G and H. State the name of the kingdom that includes the pathogen…
Answer this question and get it marked →October–November 2024, Paper 42
Organisms from the genus Chlorella are protoctists. State the additional information required to name Chlorella according to the binomial system.
Answer this question and get it marked →Fig. 4.1 shows a diagram of two flowers from different plants of the same species. Describe what is meant by the term species.
Answer this question and get it marked →October–November 2024, Paper 43
Aphids are arthropods. Aphids insert their mouthpieces into the phloem in the stem of a plant to feed. An aphid is shown in Fig. 2.1 (magnification ×22). Identify two features…
Answer this question and get it marked →May–June 2023, Paper 11
What are characteristics of all organisms? A egestion and excretion B egestion and nutrition C excretion and nutrition D excretion and photosynthesis
Answer this question and get it marked →The scientific name for the golden eagle is Aquila chrysaetos. What is the genus of the golden eagle? A Aquila B chrysaetos C eagle D golden
Answer this question and get it marked →The diagram shows four arthropods (Pediculus ×20, Anopheles ×10, Dermacentor ×7, Carcinus ×0.5). How many of these arthropods are insects? A 1 B 2 C 3 D 4
Answer this question and get it marked →May–June 2023, Paper 12
Living animals release carbon dioxide. This is an example of which life process? A excretion B movement C nutrition D sensitivity
Answer this question and get it marked →Some statements about species are given. 1 Members of a species all look identical. 2 Members of a species belong to the same genus. 3 Members of a species can produce fertile…
Answer this question and get it marked →The table shows some features of different animals (columns: wings, hair, scales) with ticks for each row A–D. Which animal is a reptile? A B C D
Answer this question and get it marked →May–June 2023, Paper 13
What are excretion, sensitivity and reproduction characteristics of? A all animals and all plants B animals only C plants only D some animals and some plants
Answer this question and get it marked →The photograph shows an organism (a bird). Which visible feature can be used to classify this organism as a bird? A feathers B lays eggs C two legs D wings
Answer this question and get it marked →The diagram shows an arthropod. Which features are characteristic of all arthropods? A jointed legs and segmented body B jointed legs and thorax C segmented body and wings D…
Answer this question and get it marked →May–June 2023, Paper 21
What are characteristics of all organisms? A egestion and excretion B egestion and nutrition C excretion and nutrition D excretion and photosynthesis
Answer this question and get it marked →The scientific name for the golden eagle is Aquila chrysaetos. What is the genus of the golden eagle? A Aquila B chrysaetos C eagle D golden
Answer this question and get it marked →May–June 2023, Paper 22
Which process occurs both in plants and in animals? A excretion B phagocytosis C photosynthesis D transpiration
Answer this question and get it marked →Some statements about species are given. 1 Members of a species all look identical. 2 Members of a species belong to the same genus. 3 Members of a species can produce fertile…
Answer this question and get it marked →May–June 2023, Paper 23
What are two characteristics of all living organisms? A breathing and reproduction B photosynthesis and excretion C reproduction and respiration D respiration and photosynthesis
Answer this question and get it marked →The photograph shows an organism (a bird). Which visible feature can be used to classify this organism as a bird? A feathers B lays eggs C two legs D wings
Answer this question and get it marked →May–June 2023, Paper 31
Describe the meaning of the term species.
Answer this question and get it marked →May–June 2023, Paper 32
Fig. 1.1 shows a photograph of a pseudoscorpion, with one part labelled A. State two features, visible in Fig. 1.1, that can be used to classify this organism as an arachnid.
Answer this question and get it marked →May–June 2023, Paper 33
Fig. 1.1 is a photograph of an insect. Insects are arthropods. Arthropods belong to the animal kingdom. State the name of one other kingdom.
Answer this question and get it marked →October–November 2023, Paper 11
Some processes carried out by living organisms are listed. 1 egestion 2 excretion 3 reproduction 4 respiration Which processes are carried out by all living organisms? A 1, 2, 3…
Answer this question and get it marked →The scientific name for humans is Homo sapiens. What does Homo refer to? A mammal B genus C kingdom D species
Answer this question and get it marked →Which row is correct for arthropod classification? Columns: arthropod group; antennae present; number of body parts; number of legs. A arachnids; no; 2; 6 B crustaceans; yes; 3; 8…
Answer this question and get it marked →October–November 2023, Paper 12
Which processes are characteristics of all living organisms? 1 digestion 2 respiration 3 excretion A 1, 2 and 3 B 1 only C 2 and 3 only D 2 only
Answer this question and get it marked →Using the binomial system, the Arctic fox is called Vulpes lagopus. Which row is correct? Columns: Vulpes; lagopus. A genus; kingdom B genus; species C species; genus D species;…
Answer this question and get it marked →The diagrams show four different types of arthropod (A–D), each labelled with an arthropod group (crustacean, insect, myriapod, arachnid). Which organism is labelled with its…
Answer this question and get it marked →October–November 2023, Paper 13
What are characteristics of all living organisms? A breathing, growth and movement B egestion, nutrition and reproduction C digestion, excretion and respiration D reproduction,…
Answer this question and get it marked →Using the binomial system, the name of a lion is Panthera leo. Which statement is correct? A The lion belongs to the kingdom Panthera. B The lion belongs to the genus Panthera. C…
Answer this question and get it marked →Which feature would place organisms into the crustacean group of arthropods? A eight legs B six legs C two pairs of antennae D usually have two pairs of wings
Answer this question and get it marked →October–November 2023, Paper 21
Some processes carried out by living organisms are listed. 1 egestion 2 excretion 3 reproduction 4 respiration Which processes are carried out by all living organisms? A 1, 2, 3…
Answer this question and get it marked →The scientific name for humans is Homo sapiens. What does Homo refer to? A mammal B genus C kingdom D species
Answer this question and get it marked →October–November 2023, Paper 22
Which processes are characteristics of all living organisms? 1 digestion 2 respiration 3 excretion A 1, 2 and 3 B 1 only C 2 and 3 only D 2 only
Answer this question and get it marked →Using the binomial system, the Arctic fox is called Vulpes lagopus. Which row is correct? Columns: Vulpes; lagopus. A genus; kingdom B genus; species C species; genus D species;…
Answer this question and get it marked →Which feature is found in viruses? A cell wall B mitochondria C nucleus D protein coat
Answer this question and get it marked →October–November 2023, Paper 23
What are characteristics of all living organisms? A breathing, growth and movement B egestion, nutrition and reproduction C digestion, excretion and respiration D reproduction,…
Answer this question and get it marked →Using the binomial system, the name of a lion is Panthera leo. Which statement is correct? A The lion belongs to the kingdom Panthera. B The lion belongs to the genus Panthera. C…
Answer this question and get it marked →October–November 2023, Paper 32
All living organisms can be classified into groups by the features they share. Complete the sentences about classifying organisms. A species is a group of organisms that reproduce…
Answer this question and get it marked →October–November 2023, Paper 33
Fig. 7.1 is a photograph of a lionfish (Pterois volitans). State the genus of the lionfish.
Answer this question and get it marked →October–November 2023, Paper 41
Frogs are classified as amphibians. State two features of amphibians that distinguish them from all other vertebrates.
Answer this question and get it marked →Other IGCSE Biology topics
- Organisms and their environment (126)
- Human nutrition (95)
- Coordination and response (83)
- Reproduction (82)
- Inheritance (74)
- Organisation of the organism (cells) (64)
- Plant nutrition (62)
- Transport in animals (62)
- Transport in plants (59)
- Movement into and out of cells (57)
- Variation and selection (50)
- Respiration (48)