Learn Extracted exam questions IGCSE Biology 0610 Biology June 2025 Question Paper 21
0610 Biology June 2025 Question Paper 21
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Which characteristic of living things requires carbon dioxide to diffuse into a leaf?
Which set of features is characteristic only of birds?
Which structures are found in both plant and animal cells?
A student made the following statements about the movement of ions by active transport. It is the net movement of particles from a low concentration to a high concentration. It is the net movement of particles from a high concentration to a low concentration. It requires the use of energy from respiration. It can only take place in living cells. Which statements are correct?
A DNA molecule contains pairs of bases. What is a correct combination of a pair of bases?
What is the test for protein? name of the test heat colour change
The graph shows how enzyme activity is affected by temperature. enzyme activity temperature / °C Why is enzyme activity lower at 55 °C than it is at 40 °C?
Which descriptions of adaptations for photosynthesis are correct for spongy mesophyll tissue? air spaces for efficient gas exchange long, rectangular cells to absorb light
The table shows the recommended daily allowance (RDA) of some nutrients for young children. The table also shows the masses of these nutrients eaten by a child in one day. mass of vitamin C / mg mass of vitamin D / g mass of iron / mg mass of calcium / mg RDA
10 Which term is used for the uptake and use of nutrients by cells? A absorption B assimilation C egestion D ingestion
260 mass eaten in one day 150 Which conditions will the child be at risk of developing if they consume the same diet for a long period of time? anaemia (not having enough red blood cells) rickets scurvy
The diagram shows the structure of a villus. Which label shows a lacteal?
Which graph shows the effect of humidity in the air on the rate of transpiration in a plant? 100 rate of transpiration percentage humidity
In some countries, spring is the time of year when daffodil plants have green leaves and produce flowers. Which parts of the daffodil plants act as sources and sinks in spring? flowers leaves
In a fish, what is the sequence of structures that blood passes through after it leaves the heart?
The diagram shows what happens in the body during active immunity. pathogens enter the body W are detected lymphocytes become active marking of pathogens occurs so that they can be destroyed by Y Z are produced for long-term immunity X destroy pathogens directly Which structures or cells represent W, X, Y and Z? antibodies antigens memory cells phagocytes
Cholera is a disease caused by a bacterium called Vibrio cholerae which produces a toxin in the infected person’s gut. What is the effect of this toxin?
The graph shows how the volume of air in lungs changes when a person is breathing at rest. time volume of air in lungs X Which processes are occurring to change the volume at the point marked X?
The processes listed occur in living organisms. cell division diffusion muscle contraction osmosis Which processes require energy from respiration?
What is a role of the glomerulus?
The diagram shows a synapse. P Q R S neurone 1 neurone 2 What are the labelled parts? P Q R S
Which row shows the function of rod cells? night vision colour vision
The diagram shows the positions of two endocrine glands in the human body. kidneys endocrine glands What is a response of the body to the hormone released from these glands?
What is a response of the human body to overheating?
What is an example of phototropism?
Which statement describes the effect of antibiotics?
The diagram shows one parent Hydra growing and releasing an offspring from the side of its body. parent Hydra offspring Which row is correct? parent and offspring are genetically identical involves asexual reproduction
The diagram shows the changing concentrations of some hormones involved in the menstrual cycle. hormone concentration 8 10 12 14 days 16 18 20 22 24 26 28 W Y Which letters identify two of the hormones?
The diagram shows the chromosomes in the nucleus of a cell that divides by mitosis. Which diagram shows the chromosomes in the nucleus of one of the daughter cells produced?
A farmer bred together male cattle with white hair and female cattle with red hair. All the offspring produced had roan hair (a mixture of red and white). He then repeatedly bred together two roan cattle, and the offspring were in the ratio of 1 red : 2 roan : 1 white. What explains why the farmer obtained this ratio?
Phagocytes and neurones are two types of specialised cell. Which statements are correct? Phagocytes and neurones express the same genes. Both types of cell have the same genes. Both types of cell only express the genes that make the proteins needed for the cell to function.
The table shows some features of leaves. Which leaf is adapted to survive in hot, dry habitats? number of stomata thickness of waxy cuticle surface area of leaf
Which row correctly describes a type of selection? type of selection humans involved example
Which statement about a pyramid of energy for a food chain is correct?
The food web shows part of an ocean ecosystem. sea urchin mussel clam prawn kelp algae diatom sea otter seal sea lion orca whale Which row shows the number of secondary consumers and the number of tertiary consumers in the food web? number of secondary consumers number of tertiary consumers
A student investigated the effect of high temperature on the production of nitrate ions in soil. Two samples of soil were taken. One sample was heated to 100 °C. All the nitrate ions were completely removed from both soil samples. Ammonium ions were then added to both soil samples. After two weeks, both soil samples were tested for the presence of nitrate ions. The results are shown. soil sample nitrate ions present or absent not heated to 100 °C present heated to 100 °C absent Which statement explains the results?
Which letter represents the lag phase in the population graph shown?
Which term describes the number of different species living in an area?
Which source of pollution can cause eutrophication?
Some of the processes involved in the production of insulin by genetic modification are listed. cutting of bacterial plasmid DNA with restriction enzymes expression in bacteria of the human gene to make insulin insertion of recombinant plasmids into bacteria multiplication of bacteria containing recombinant plasmids In which order do these processes occur?