B17.2· 16 questions · 16 marks · 19 min · 2014–2025· Multiple choice
Every Cambridge IGCSE Sciences - Co-ordinated (Double) Paper 1 question on selection, laid out as 4 A4 pages with the mark scheme below. Nothing is left out. Free to read, no account.





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4 / 4Answers below. Sit the paper first if you are practising.
Pastlit
Sciences - Co-ordinated (Double) 0654 · Selection — Paper 1
IGCSE · topical answer key — answer key (teacher use)
Question
Answer
Marks
| Question | Answer | Marks | From |
|---|---|---|---|
| 1 | A | 1 | 0654/11 May/June 2014 |
| 2 | A | 1 | 0654/13 May/June 2014 |
| 3 | A | 1 | 0654/11 May/June 2017 |
| 4 | A | 1 | 0654/12 May/June 2017 |
| 5 | A | 1 | 0654/13 May/June 2017 |
| 6 | C | 1 | 0654/11 Oct/Nov 2017 |
| 7 | D | 1 | 0654/12 Oct/Nov 2017 |
| 8 | D | 1 | 0654/13 Oct/Nov 2018 |
| 9 | D | 1 | 0654/11 Oct/Nov 2019 |
| 10 | A | 1 | 0654/12 May/June 2020 |
| 11 | B | 1 | 0654/11 Oct/Nov 2021 |
| 12 | C | 1 | 0654/12 May/June 2022 |
| 13 | C | 1 | 0654/13 May/June 2022 |
| 14 | B | 1 | 0654/11 Oct/Nov 2025 |
| 15 | B | 1 | 0654/12 Oct/Nov 2025 |
| 16 | B | 1 | 0654/13 Oct/Nov 2025 |
12 What is not produced by artificial selection? A bacteria with antibiotic resistance B cows with high milk yield C sheep with thick wool D wheat with resistance to disease
1 marks
Answer: A
11 What is not produced by artificial selection? A bacteria with antibiotic resistance B cows with high milk yield C sheep with thick wool D wheat with resistance to disease
1 marks
Answer: A
1 What is not produced by artificial selection? A bacteria with antibiotic resistance B cows with high milk yield C sheep with thick wool D wheat with resistance to disease
1 marks
Answer: A
1 What is not produced by artificial selection? A bacteria with antibiotic resistance B cows with high milk yield C sheep with thick wool D wheat with resistance to disease
1 marks
Answer: A
1 What is not produced by artificial selection? A bacteria with antibiotic resistance B cows with high milk yield C sheep with thick wool D wheat with resistance to disease
1 marks
Answer: A
10 What is the main result of natural selection? A fewer genes being passed on to offspring B higher-yielding food crops C organisms better adapted to the environment D sheep that produce better quality wool
1 marks
Answer: C
11 Predators that hunt at night have large eyes and ears. This has resulted from the passing on of genes by the best-adapted organisms. What is this process called? A artificial selection B conservation C homeostasis D natural selection
1 marks
Answer: D
12 Species of frogs which live in trees have sticky pads on their feet. These are absent in frogs which live in other habitats. By which process has this come about? A artificial selection B conservation C monohybrid inheritance D natural selection
1 marks
Answer: D
11 The graph shows the number of cows producing different volumes of milk. Which group of cows should be used in a programme to breed more cows with the highest milk yield? A B C D number of cows 0 1 2 3 4 5 6 volume of milk (arbitrary units)
1 marks
Answer: D
11 A farmer wants to breed sheep that will produce a high yield of milk. What is required for breeding these sheep? genetic selective natural variation breeding selection Jv v x v x v x v x x x v key J/ = yes X =no
1 marks
Answer: A
11 Natural selection involves several stages. 1 passing on alleles to the next generation 2 struggle for survival 3 competition for resources 4 production of many offspring What is the correct order of these stages? A 4 1 2 3 B 4 3 2 1 C 1 2 3 4 D 3 2 1 4
1 marks
Answer: B
11 Selection in chickens has produced individuals that lay more eggs per week. What is required for this to occur? reproduction selection A asexual human B asexual natural C sexual human D sexual natural
1 marks
Answer: C
11 Selection in chickens has produced individuals that lay more eggs per week. What is required for this to occur? reproduction selection A asexual human B asexual natural C sexual human D sexual natural
1 marks
Answer: C
13 A list of the stages of a process is shown. 1 Choose animals with the desired characteristics. 2 Breed the animals together. 3 Choose the offspring with the desired characteristics and breed the offspring. 4 Repeat over many generations. What is this process called? A asexual reproduction B artificial selection C mutation D natural selection
1 marks
Answer: B
12 Three stages involved in the selective breeding of wheat to increase the size of the seeds are shown. 1 crossing wheat plants to produce the next generation 2 selection by humans of wheat with large seeds 3 selection of wheat offspring with large seeds What is the correct sequence of these stages? A 1 2 3 B 2 1 3 C 2 3 1 D 3 1 2
1 marks
Answer: B
12 Three stages involved in the selective breeding of wheat to increase the size of the seeds are shown. 1 crossing wheat plants to produce the next generation 2 selection by humans of wheat with large seeds 3 selection of wheat offspring with large seeds What is the correct sequence of these stages? A 1 2 3 B 2 1 3 C 2 3 1 D 3 1 2
1 marks
Answer: B