plumiHow was the theory of evolution developed?: OCR GCSE Combined Science B questions
Every OCR GCSE Combined Science B exam question on B6.1 How was the theory of evolution developed?, 2018–2025, with its mark scheme and examiner’s report.
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Calculations
Q7(a)(i)
The whole paper ↗Q7(a)(ii)
The whole paper ↗Q7(b)
The whole paper ↗Q2(e)
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Q7(a)(i)
The whole paper ↗
Q7(a)(ii)
The whole paper ↗Q7(b)(i)
The whole paper ↗Q7(b)(ii)
The whole paper ↗Q7(c)
The whole paper ↗Q7(c)
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Q7(d)
The whole paper ↗Q9(a)
The whole paper ↗Q9(b)(i)
The whole paper ↗Q9(b)(ii)
The whole paper ↗Q9(c)
The whole paper ↗Q4(b)
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Q4(c)
The whole paper ↗Q4(d)
The whole paper ↗Q7(a)
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Q7(b)
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All 46 questions on How was the theory of evolution developed?, as a list
- June 2025, Biology Paper 1 Foundation, Q7(a)(i) (1 mark): Describe one way in which this fossil evidence shows how the horse has evolved. [1]
- June 2025, Biology Paper 1 Foundation, Q7(a)(ii) (2 marks): Which two statements are limitations of using these fossils as evidence of the evolution of the horse? Use the diagram to help you decide. Tick (✓) two boxes. T
- June 2025, Biology Paper 1 Foundation, Q7(b) (6 marks): (b)* Bed bugs are insects that can live in a mattress. They can be killed with a type of poison called Permethrin. Resistance to this poison is becoming more co
- June 2025, Combined Science Paper 4 Foundation, Q2(e) (4 marks): Studies have shown that some plant species in warming climates have reduced the number of stomata on their leaves. Complete the sentences to explain how this ch
- June 2024, Biology Paper 1 Foundation, Q7(a)(i) (1 mark): Describe one visible example of variation between the pumpkins. .. [1]
- June 2024, Biology Paper 1 Foundation, Q7(a)(ii) (1 mark): The environment may cause some of this variation. State one other possible cause of the variation between the pumpkins. . [1]
- June 2024, Biology Paper 1 Foundation, Q7(b)(i) (2 marks): Explain why this prediction could be correct. [2]
- June 2024, Biology Paper 1 Foundation, Q7(b)(ii) (2 marks): Explain why this prediction could be incorrect. [2]
- June 2024, Biology Paper 1 Foundation, Q7(c) (6 marks): A farmer in Africa grows pumpkins. (c)* Giraffes live on the land around the farm. A few of the giraffes have shorter necks, but most of them have long necks. T
- June 2024, Biology Paper 5 Higher, Q7(c) (3 marks): Over the past 150 years several new populations of wild dogs have evolved to be more genetically similar to wolves. This has happened even though wild dogs sepa
- June 2024, Biology Paper 5 Higher, Q7(d) (3 marks): All pet dogs are descendants of wolves. Pet dogs are a product of selective breeding. Describe how humans have produced pet dogs from wolves. [3]
- June 2024, Biology Paper 5 Higher, Q9(a) (2 marks): Describe two ways in which fossils have provided evidence of evolution. 1 2 [2]
- June 2024, Biology Paper 5 Higher, Q9(b)(i) (2 marks): The discovery was published in a scientific journal. Explain why it is important for scientific ideas and research to be published in scientific journals. [2]
- June 2024, Biology Paper 5 Higher, Q9(b)(ii) (2 marks): Some students discuss how the discovery of this dinosaur changes our understanding of the ecosystem in which the dinosaur lived. Which two statements are correc
- June 2024, Biology Paper 5 Higher, Q9(c) (2 marks): The rapid development of antibiotic resistance in bacteria is an example of modern day evolution. Bacteria reproduce by simple cell division. This can happen ev
- June 2023, Biology Paper 1 Foundation, Q4(b) (1 mark): There are differences between the individuals within a population of a species. This variation can be caused by the environment. State one other cause of variat
- June 2023, Biology Paper 1 Foundation, Q4(c) (2 marks): Darwin and Wallace suggested that new species could evolve from earlier species. Which two statements describe how fossils provide evidence for this idea? Tick
- June 2023, Biology Paper 1 Foundation, Q4(d) (2 marks): Some bacteria have evolved to become resistant to antibiotics. Which statements about antibiotic resistance are true, and which are false? Tick (3) one box for
- June 2023, Biology Paper 5 Higher, Q7(a) (1 mark): At that time there was a mixture of white, yellow and purple carrot plants. All these plants were the same species. Which word describes differences between mem
- June 2023, Biology Paper 5 Higher, Q7(b) (1 mark): In the 1300s, farmers started growing yellow carrots in the hot, dry environment in southern Europe. Around this time, some of the plants began to produce carro
- June 2023, Biology Paper 5 Higher, Q7(c) (3 marks): Later, farmers started growing yellow and orange carrots in northern Europe. Plants producing darker orange carrots were better able to survive in the colder, w
- June 2022, Biology Paper 5 Higher, Q8(c) (2 marks): The enzyme lactase allows humans to digest milk. Approximately 10 000 years ago: • the lactase gene in most humans was switched on when they were a baby but the
- November 2021, Biology Paper 1 Foundation, Q6(a) (1 mark): How many features do therapod dinosaurs and Archaeopteryx fossils have in common? [1]
- November 2021, Biology Paper 1 Foundation, Q6(b)(i) (1 mark): Suggest why some scientists think Archaeopteryx was the first modern bird. Use information from the table to support your answer. [1]
- November 2021, Biology Paper 1 Foundation, Q6(b)(ii) (1 mark): Suggest why other scientists looking at the same evidence disagree. [1]
- November 2021, Biology Paper 1 Foundation, Q6(c) (1 mark): Fossils are used as evidence of evolution. Scientists collect fossils to show how a species has changed over time. What are the limitations of using fossils as
- November 2021, Biology Paper 1 Foundation, Q7(b) (3 marks): The statements describe the steps in natural selection that caused underground mosquitoes to evolve. The statements are not in the correct order. Write a number
- November 2021, Biology Paper 5 Higher, Q4(a) (2 marks): Scientists think Archaeopteryx fossils provide evidence of evolution. Describe the evidence from the table which supports the theory that Archaeopteryx was the
- November 2021, Biology Paper 5 Higher, Q6 (6 marks): 6* A student is reading an article on evolution. Evolution underground In 1860 many underground tunnels were dug beneath London. Some Culex pipiens mosquitoes w
- November 2020, Biology Paper 1 Foundation, Q4(a)(i) (3 marks): Shorthorn cattle were kept by 18th century farmers as they produced both meat and milk. By the 20th century, farmers used selective breeding to produce two type
- November 2020, Biology Paper 1 Foundation, Q4(a)(ii) (2 marks): In the 18th century the human population of the world was approximately 1 billion. The human population of the world now is approximately 8 billion. Suggest two
- November 2020, Biology Paper 5 Higher, Q5(a) (3 marks): The mean length of coal tits found on the mainland is 95mm. On the isolated island, the mean length of coal tits found is 115mm. Calculate the percentage increa
- November 2020, Biology Paper 5 Higher, Q5(b) (3 marks): Scientists think that the increase in size is an example of natural selection. Explain why coal tits found on the isolated island are bigger than coal tits foun
- November 2020, Biology Paper 5 Higher, Q5(c)(i) (1 mark): Predict the outcome of the scientist’s experiment, based on their hypothesis. [1]
- November 2020, Biology Paper 5 Higher, Q5(c)(ii) (1 mark): Explain your answer to (c)(i). [1]
- November 2020, Biology Paper 5 Higher, Q10(a) (3 marks): Complete Table 10.1 to identify what is shown by each model. Tick (✓) at least one box in each row. Statement Model A Model B Upright humans and modern humans b
- November 2020, Biology Paper 5 Higher, Q10(b) (3 marks): Since 2008, more human fossils have been found and advances in technology have provided DNA evidence. Complete Table 10.2 by deciding if each new piece of evide
- November 2020, Biology Paper 5 Higher, Q10(c) (1 mark): In 2008 most scientists accepted Model A. Suggest why many scientists today still accept Model A. [1]
- June 2019, Biology Paper 1 Foundation, Q5(a) (2 marks): Put a ring around the best choice to complete each sentence. Evolution is a change in a population’s fossil / inherited / observable / natural characteristics.
- June 2018, Biology Paper 1 Foundation, Q8(a) (2 marks): Suggest two disadvantages of the male peacock’s brightly coloured feathers. 1 2 [2]
- June 2018, Biology Paper 1 Foundation, Q8(b) (6 marks): Jamal sees this picture of a male peacock and a female peahen in his textbook. Peacock Peahen Peahens have plain grey feathers, which makes it hard for predator
- June 2018, Combined Science Paper 4 Foundation, Q5(c)(ii) (2 marks): The bacterium is thought to have evolved from an existing species of bacterium. The stages in its evolution are described below. They are not in the correct ord
- June 2018, Biology Paper 5 Higher, Q4(c) (3 marks): Research shows that some British ash trees have some resistance to ash dieback. Describe how ash trees could be selectively bred to increase resistance to ash d
- June 2018, Biology Paper 5 Higher, Q5(a) (6 marks): Darwin published his theory of evolution by natural selection in 1859. (a)* Many scientists have carried out experiments to test Darwin’s theory. In one laborat
- June 2018, Biology Paper 5 Higher, Q5(b) (2 marks): Scientists have found evidence that supports the theory of evolution by natural selection. Some of this evidence is provided by fossils. Describe two ways in wh
- June 2018, Combined Science Paper 8 Higher, Q4(b)(ii) (4 marks): PET was developed in 1941. PET bottles were first used in 1973. Until 2016, no bacterium had been found that would biodegrade this plastic. Suggest the genetic
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