B15.2· 15 questions · 15 marks · 18 min · 2013–2025· Multiple choice
Every Cambridge IGCSE Sciences - Co-ordinated (Double) Paper 1 question on sexual reproduction, laid out as 3 A4 pages with the mark scheme below. Nothing is left out. Free to read, no account.





1 / 3


2 / 3



3 / 3Answers below. Sit the paper first if you are practising.
Pastlit
Sciences - Co-ordinated (Double) 0654 · Sexual reproduction — Paper 1
IGCSE · topical answer key — answer key (teacher use)
Question
Answer
Marks
| Question | Answer | Marks | From |
|---|---|---|---|
| 1 | C | 1 | 0654/12 May/June 2013 |
| 2 | D | 1 | 0654/12 May/June 2015 |
| 3 | C | 1 | 0654/13 May/June 2015 |
| 4 | D | 1 | 0654/12 May/June 2016 |
| 5 | A | 1 | 0654/11 Oct/Nov 2016 |
| 6 | B | 1 | 0654/13 Oct/Nov 2016 |
| 7 | A | 1 | 0654/12 Oct/Nov 2019 |
| 8 | A | 1 | 0654/12 May/June 2020 |
| 9 | C | 1 | 0654/12 May/June 2022 |
| 10 | C | 1 | 0654/13 May/June 2022 |
| 11 | B | 1 | 0654/12 Oct/Nov 2022 |
| 12 | C | 1 | 0654/11 May/June 2024 |
| 13 | A | 1 | 0654/12 May/June 2025 |
| 14 | A | 1 | 0654/13 May/June 2025 |
| 15 | B | 1 | 0654/11 Oct/Nov 2025 |
6 Which statement about sexual reproduction is correct? A It involves the formation of a haploid zygote. B It involves the fusion of diploid nuclei. C It produces offspring that are genetically dissimilar to their parents. D It produces offspring that are genetically identical to one another.
1 marks
Answer: C
9 Which statement about reproduction is correct? A Asexual reproduction involves the formation of haploid zygotes. B Asexual reproduction produces offspring from two parents. C Sexual reproduction involves the formation of diploid gametes. D Sexual reproduction produces offspring that are genetically dissimilar.
1 marks
Answer: D
11 What is fertilisation? A a pollen tube nucleus reaching an ovule B a sperm reaching an ovum C a zygote being formed D pollen grains reaching a stigma
1 marks
Answer: C
12 Which feature of human reproduction defines it as sexual reproduction? A A woman’s menstrual cycle controls when she can become pregnant. B Both parents are often involved in bringing up the baby. C Human babies can be fed entirely on breastmilk. D Joining of nuclei from sperm and egg must take place.
1 marks
Answer: D
10 Two plants, P and Q, each give rise to one offspring. The two offspring are genetically identical. How were plants P and Q produced and how did they reproduce? how P and Q how P and Q were produced reproduced A asexually asexually B asexually sexually C sexually asexually D sexually sexually
1 marks
Answer: A
11 Which aspect of human reproduction defines it as sexual reproduction? A A man and woman must have sexual intercourse to produce a baby naturally. B Genetic material from each parent combines to produce a zygote. C Human babies are naturally fed on breast milk. D Young women have menstrual periods when they are not pregnant.
1 marks
Answer: B
10 Sexual reproduction involves the fusion of cells. Which row shows the types of cells involved and what the fusion produces? type of cell product of fusion A gametes genetically different zygote B gametes genetically identical zygote C zygotes genetically different gamete D zygotes genetically identical gamete
1 marks
Answer: A
10 Which statement correctly describes sexual reproduction? A fusion of gametes from two parents with genetic variation in the offspring B fusion of gametes from two parents with no genetic variation in the offspring C no fusion of gametes and only one parent with genetic variation in the offspring D no fusion of gametes and only one parent with no genetic variation in the offspring
1 marks
Answer: A
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
10 Aphids are insects. The information shown describes part of the lifecycle of the aphid. stage 1 In the spring, wingless females reproduce without fertilisation to produce many female offspring. stage 2 In late summer, both males and females are produced. The female’s eggs are fertilised by the male’s sperm. Which row shows the type of reproduction occurring at stages 1 and 2? stage 1 stage 2 A asexual asexual B asexual sexual C sexual asexual D sexual sexual
1 marks
Answer: B
10 Which row is correct for sexual reproduction? number of parents offspring A one genetically different B one genetically identical C two genetically different D two genetically identical
1 marks
Answer: C
11 Which statement about reproduction is correct? A Sexual reproduction involves the fusion of two gamete nuclei. B Sexual reproduction results in the production of genetically identical offspring. C Asexual reproduction involves the fusion of two gamete nuclei. D Asexual reproduction results in the production of genetically different offspring.
1 marks
Answer: A
11 Which statement about reproduction is correct? A Sexual reproduction involves the fusion of two gamete nuclei. B Sexual reproduction results in the production of genetically identical offspring. C Asexual reproduction involves the fusion of two gamete nuclei. D Asexual reproduction results in the production of genetically different offspring.
1 marks
Answer: A
12 Which row describes sexual reproduction? zvaote genetically oy euce d identical offspring p always produced A Jv J B Jv x Cc x J D x x
1 marks
Answer: B