Sexual reproduction in humans — Paper 1 · IGCSE Science - Combined 0653

10 The diagram shows the human female reproductive system. If a woman uses an IUD (intra-uterine device) as a contraceptive, where would it be placed? A B C D

1 marks

Answer: B

This question in 0653/11 Oct/Nov 2005

9 In family planning, what acts as a barrier between eggs and sperms? A cap B IUD C pill D rhythm

1 marks

Answer: A

This question in 0653/11 May/June 2006

11 In the nineteenth century, August Weissmann removed the tails of two mice before breeding from them. He then removed the tails of their offspring before breeding from them again. He repeated this for many generations. All the offspring had tails when they were born. Why were new mice without tails never born? A Asexual reproduction does not produce new varieties. B Genes are not passed on from parents to offspring. C The results of asexual reproduction are not predictable. D Variation due to the environment is not inherited.

1 marks

Answer: D

This question in 0653/11 May/June 2006

11 Which pairs of human features are inherited and not affected by the environment? A blood group and body mass B blood group and sex C hair colour and height D sex and body mass

1 marks

Answer: B

This question in 0653/11 Oct/Nov 2006

9 The diagram shows a side view of the female reproductive system in a human. 1 2 3 Where do fertilisation and implantation occur? fertilisation implantation A 1 2 B 2 1 C 2 3 D 3 2

1 marks

Answer: A

This question in 0653/11 May/June 2007

10 The diagram shows the male reproductive system. Which tube is cut when carrying out male sterilisation (a vasectomy)? tube D tube A tube C tube B

1 marks

Answer: D

This question in 0653/11 Oct/Nov 2007

12 Jamal and Javan are identical twins, but Jamal is 10kg heavier than Javan. What will have caused the difference in their weights? genes environment A v v B v x Cc x Jv D x x key v/=yes X =no

1 marks

Answer: C

This question in 0653/11 Oct/Nov 2007

9 The diagram shows a section through the female reproductive system. Where is the fertilised ovum implanted? B C A D

1 marks

Answer: B

This question in 0653/11 May/June 2008

8 The following statements are about reproduction. 1 Clones grown in different environments will always look exactly alike. 2 Clones possess identical genes. 3 Sexual reproduction produces offspring with different alleles. 4 When two gametes fuse they form a clone. Which two statements are correct? A 1 and 2 B 1 and 4 C 2 and 3 D 3 and 4

1 marks

Answer: C

This question in 0653/11 May/June 2009

9 The diagram shows the human female reproductive system. Where is the egg fertilised? D A B C

1 marks

Answer: D

This question in 0653/11 May/June 2009

11 The table shows three ways in which different methods of birth control work. Which correctly links the methods with how they work? prevents prevents prevents zygote ovulation sperm release implantation A IUD sterilisation cap B pill rhythm condom C pill sterilisation IUD D rhythm condom IUD

1 marks

Answer: C

This question in 0653/11 May/June 2010

13 The table shows three ways in which different methods of birth control work. Which correctly links the methods with how they work? prevents prevents prevents zygote ovulation sperm release implantation A IUD sterilisation cap B pill rhythm condom C pill sterilisation IUD D rhythm condom IUD

1 marks

Answer: C

This question in 0653/12 May/June 2010

13 The table shows three ways in which different methods of birth control work. Which correctly links the methods with how they work? prevents prevents prevents zygote ovulation sperm release implantation A IUD sterilisation cap B pill rhythm condom C pill sterilisation IUD D rhythm condom IUD

1 marks

Answer: C

This question in 0653/13 May/June 2010

10 The diagram shows the uterus and stages in the formation and implantation of a human embryo. Y X W magnified V Z Which cells are genetically identical? A W and Z B X and V C X and Y D Y and Z

1 marks

Answer: D

This question in 0653/11 Oct/Nov 2010

12 The diagram shows the uterus and stages in the formation and implantation of a human embryo. Y X W magnified V Z Which cells are genetically identical? A W and Z B X and V C X and Y D Y and Z

1 marks

Answer: B

This question in 0653/12 Oct/Nov 2010

11 The diagram shows the uterus and stages in the formation and implantation of a human embryo. Y X W magnified V Z Which cells are genetically identical? A W and Z B X and V C X and Y D Y and Z

1 marks

Answer: D

This question in 0653/13 Oct/Nov 2010

9 What does the intra-uterine device (IUD) prevent? A fertilisation of the egg B implantation of the zygote C release of eggs from the ovary D sperms entering the uterus

1 marks

Answer: B

This question in 0653/11 May/June 2011

11. Which type or types of variation in organisms can be inherited? variation caused by | variation caused by genes the environment A Jv v key B v x v=yes Cc x v X =no D x x

1 marks

Answer: B

This question in 0653/12 May/June 2011

12 What does the intra-uterine device (IUD) prevent? A fertilisation of the egg B implantation of the zygote C release of eggs from the ovary D sperms entering the uterus

1 marks

Answer: B

This question in 0653/12 May/June 2011

9 Which method of family planning is also likely to reduce the risk of the spread of syphilis? A condom B intra-uterine device (IUD) C pill D sterilisation

1 marks

Answer: A

This question in 0653/11 Oct/Nov 2011

8 A species of animal reproduces both sexually and asexually. Which offspring will be clones? offspring from sexual offspring from reproduction asexual reproduction A v v B v x Cc x v D x x

1 marks

Answer: C

This question in 0653/13 Oct/Nov 2011

10 Which method of family planning is also likely to reduce the risk of the spread of syphilis? A condom B intra-uterine device (IUD) C pill D sterilisation

1 marks

Answer: A

This question in 0653/13 Oct/Nov 2011

10 The diagram shows the female reproductive system. Where does successful implantation normally occur? B C A D

1 marks

This question in 0653/11 May/June 2012

10 The diagram shows the male reproductive system. Y Z What are Y and Z? Y Z A prostate gland urethra B urethra prostate gland C sperm duct prostate gland D sperm duct urethra

1 marks

Answer: D

This question in 0653/12 May/June 2012

10 The diagram shows the male reproductive system. Y Z What are Y and Z? Y Z A prostate gland urethra B urethra prostate gland C sperm duct prostate gland D sperm duct urethra

1 marks

Answer: D

This question in 0653/13 May/June 2012

10 The diagram shows a section through the female reproductive system. Where is the fertilised egg implanted? B C A D

1 marks

Answer: B

This question in 0653/12 May/June 2013

11 What describes sexual reproduction? A Diploid gametes form a haploid zygote, offspring genetically dissimilar to parents. B Diploid gametes form a haploid zygote, offspring genetically similar to parents. C Haploid gametes form a diploid zygote, offspring genetically dissimilar to parents. D Haploid gametes form a diploid zygote, offspring genetically similar to parents.

1 marks

Answer: C

This question in 0653/12 May/June 2013

13 The diagram shows a calendar for February and March with four of the weeks shaded. February March 7 14 21 28 7 14 21 28 1 8 15 22 1 8 15 22 29 2 9 16 23 2 9 16 23 30 3 10 17 24 3 10 17 24 31 4 11 18 25 4 11 18 25 5 12 19 26 5 12 19 26 6 13 20 27 6 13 20 27 Menstruation for a woman starts on February 14th. During which shaded week will the lining of the uterus be at its thickest and be rich in blood vessels? A February 7th – February 13th B February 14th – February 20th C February 21st – February 27th D February 28th – March 6th

1 marks

Answer: A

This question in 0653/12 May/June 2013

10 What occurs about two weeks after menstruation? A the release of a gamete from an ovary B the release of a gamete from the uterus C the release of a zygote from an ovary D the release of a zygote from the uterus

1 marks

Answer: A

This question in 0653/13 May/June 2013

11 The diagram shows a section through the female reproductive system. Where is the fertilised egg implanted? B C A D

1 marks

Answer: B

This question in 0653/13 May/June 2013

11 How often is an egg usually released from the ovaries of a woman? A once a week B once every 14 days C once every 28 days D once every 9 months

1 marks

Answer: C

This question in 0653/11 Oct/Nov 2013

11 How often is an egg usually released from the ovaries of a woman? A once a week B once every 14 days C once every 28 days D once every 9 months

1 marks

Answer: C

This question in 0653/12 Oct/Nov 2013

10 How often is an egg usually released from the ovaries of a woman? A once a week B once every 14 days C once every 28 days D once every 9 months

1 marks

Answer: C

This question in 0653/13 Oct/Nov 2013

12 Where does a fertilised human egg normally become implanted? A ovary B oviduct C uterus D vagina

1 marks

Answer: C

This question in 0653/11 Oct/Nov 2014

11 Where does a fertilised human egg normally become implanted? A ovary B oviduct C uterus D vagina

1 marks

Answer: C

This question in 0653/12 Oct/Nov 2014

12 The diagram shows the male reproductive system. X What is the part labelled X? A prostate gland B sperm duct C testis D urethra

1 marks

Answer: A

This question in 0653/13 Oct/Nov 2014

11 The diagram shows a side view of the female reproductive system in a human. 1 2 3 Where do fertilisation and implantation occur? fertilisation implantation A 1 2 B 2 1 C 2 3 D 3 2

1 marks

Answer: A

This question in 0653/11 May/June 2015

12 The diagram shows the thickness of the uterus lining of a woman over a 4-week period. P Q thickness of uterus lining 1 2 3 4 time / weeks What happens at P and Q? P Q A fertilisation ovulation B menstruation fertilisation C menstruation ovulation D ovulation menstruation

1 marks

Answer: D

This question in 0653/11 May/June 2015

11 The diagram shows a side view of the female reproductive system in a human. 1 2 3 Where do fertilisation and implantation occur? fertilisation implantation A 1 2 B 2 1 C 2 3 D 3 2

1 marks

Answer: A

This question in 0653/12 May/June 2015

12 The diagram shows a side view of the female reproductive system in a human. 1 2 3 Where do fertilisation and implantation occur? fertilisation implantation A 1 2 B 2 1 C 2 3 D 3 2

1 marks

Answer: A

This question in 0653/13 May/June 2015

12 Where in the female human reproductive system is the hormone oestrogen produced? A cervix B ovary C uterus D vagina

1 marks

Answer: B

This question in 0653/11 Oct/Nov 2015

12 When does the development of a baby begin? A ejaculation of semen B fertilisation of the ovum C implantation in the wall of the uterus D start of the mother’s menstrual cycle

1 marks

Answer: B

This question in 0653/12 Oct/Nov 2015

12 The diagram shows the female reproductive system. Which labelled structure is the cervix? A B C D

1 marks

Answer: C

This question in 0653/13 Oct/Nov 2015

11 Which statement about sexual reproduction is always correct? A It involves only one parent. B It involves the fusion of nuclei. C It produces genetically identical offspring. D It takes place only in animals.

1 marks

Answer: B

This question in 0653/11 May/June 2016

12 A woman with a regular 28 day menstrual cycle has a blocked right oviduct. An egg is released from the right ovary. When is the next time that sexual intercourse is most likely to result in fertilisation? A immediately B one week later C 5 days after the beginning of the next menstruation D 14 days after the beginning of the next menstruation

1 marks

Answer: D

This question in 0653/11 May/June 2016

12 The diagram shows the female reproductive system. Y X Z Which labelled structures are the ovary and the uterus? ovary uterus A X Y B X Z C Z X D Z Y

1 marks

Answer: B

This question in 0653/12 May/June 2016

11 What are the features of sexual reproduction? number of type of nuclei nature of offspring parents that fuse A 1 diploid genetically dissimilar B 1 haploid genetically identical C 2 diploid genetically identical D 2 haploid genetically dissimilar

1 marks

Answer: D

This question in 0653/13 May/June 2016

11 The diagram shows the male reproductive system. Y Z What are the parts Y and Z? Y Z A prostate gland urethra B urethra prostate gland C sperm duct prostate gland D sperm duct urethra

1 marks

Answer: D

This question in 0653/11 Oct/Nov 2016

11 The diagram shows the male reproductive system. Y Z What are the parts Y and Z? Y Z A prostate gland urethra B urethra prostate gland C sperm duct prostate gland D sperm duct urethra

1 marks

Answer: D

This question in 0653/12 Oct/Nov 2016

11 The diagram shows the male reproductive system. Y Z What are the parts Y and Z? Y Z A prostate gland urethra B urethra prostate gland C sperm duct prostate gland D sperm duct urethra

1 marks

Answer: D

This question in 0653/13 Oct/Nov 2016

11 The diagram shows the changes that occur to the uterus lining during the menstrual cycle. X 28 1 2 27 3 26 4 25 5 24 6 23 7 day 22 8 21 9 lining of uterus 20 10 gets thicker 19 11 lining of 18 12 uterus 17 13 16 15 14 Which stage of the cycle is represented by X? A fertilisation B implantation C ovulation D menstruation

1 marks

Answer: D

This question in 0653/12 Feb/March 2017

11 The diagram shows the female reproductive system. Where does implantation of the embryo normally occur? B C A D

1 marks

Answer: C

This question in 0653/11 May/June 2017

11 The diagram shows the female reproductive system. Where does implantation of the embryo normally occur? B C A D

1 marks

Answer: C

This question in 0653/12 May/June 2017

11 The diagram shows the female reproductive system. Where does implantation of the embryo normally occur? B C A D

1 marks

Answer: C

This question in 0653/13 May/June 2017

12 The diagram shows the female reproductive system. 2 3 1 4 Where are eggs produced and where does fertilisation occur? eggs produced fertilisation occurs A 1 2 B 1 4 C 3 2 D 3 4

1 marks

Answer: A

This question in 0653/12 Oct/Nov 2017

11 The diagrams show the human male and female reproductive systems. 3 2 4 1 Which numbered parts produce gametes? A 1 and 3 B 1 and 4 C 2 and 3 D 2 and 4

1 marks

Answer: B

This question in 0653/11 May/June 2018

10 Which row describes sexual reproduction? number of offspring genetically involves zygote parents identical to parents production A 1 v v B 1 x x Cc 2 v x D 2 x v

1 marks

Answer: D

This question in 0653/12 May/June 2018

10 Which row describes sexual reproduction? number of offspring genetically involves zygote parents identical to parents production A 1 v v B 1 x x Cc 2 v x D 2 x v

1 marks

Answer: D

This question in 0653/13 May/June 2018

11 The diagram shows a calendar for February and March. February March 7 14 21 28 7 14 21 28 1 8 15 22 1 8 15 22 29 2 9 16 23 2 9 16 23 30 3 10 17 24 3 10 17 24 31 4 11 18 25 4 11 18 25 5 12 19 26 5 12 19 26 6 13 20 27 6 13 20 27 Ovulation occurs on 8 February. When is menstruation most likely to begin? A 9 February – 11 February B 14 February – 16 February C 21 February – 23 February D 7 March – 9 March

1 marks

Answer: C

This question in 0653/11 Oct/Nov 2018

10 The diagram shows the male reproductive system. A B C D Which row names the labelled structure and states its function? name of structure function of structure A sperm duct sperm pass directly into the uterus from this tube B testis produces the sperm C scrotum holds the testis D prostate gland stores the sperm

1 marks

Answer: C

This question in 0653/12 Oct/Nov 2018

10 The diagram shows the reproductive system of a human female. 1 2 3 4 Which numbers give the places where the sperm are deposited, the egg is fertilised and implantation occurs? sperm egg implantation deposited fertilised occurs A 3 1 2 B 3 2 3 C 4 1 3 D 4 2 2

1 marks

Answer: C

This question in 0653/13 Oct/Nov 2018

11. Which row is correct for sexual reproduction? genetically different one zygote offspring produced parent produced A v Jv x B J x J Cc x v x D x x J

1 marks

Answer: B

This question in 0653/12 Feb/March 2019

12 Which diagram correctly matches the timescale of a 28-day menstrual cycle with the thickness of the inner lining of the uterus? A thickness of inner lining 1 7 14 21 28 time / days B thickness of inner lining 1 7 14 21 28 time / days C thickness of inner lining 1 7 14 21 28 time / days D thickness of inner lining 1 7 14 21 28 time / days

1 marks

Answer: B

This question in 0653/12 Feb/March 2019

10 What are the features of sexual reproduction? fusion nature of offspring of nuclei A no genetically dissimilar B yes genetically identical C no genetically identical D yes genetically dissimilar

1 marks

Answer: D

This question in 0653/11 May/June 2019

11 The diagram shows the female reproductive system. X Y Z What are the functions of the parts labelled X, Y, and Z? X Y Z A development release of ring of muscle at of fetus female gametes opening of uterus B development site of receives penis of fetus fertilisation during intercourse C receives penis release of ring of muscle at during intercourse female gametes opening of uterus D receives penis site of development during intercourse fertilisation of fetus

1 marks

Answer: B

This question in 0653/12 May/June 2019

9 What are the features of sexual reproduction? fusion nature of offspring of nuclei A no genetically dissimilar B yes genetically identical C no genetically identical D yes genetically dissimilar

1 marks

Answer: D

This question in 0653/13 May/June 2019

11 During sexual intercourse the penis transfers sperm cells to the vagina. What is the pathway for sperm cells from their site of production to the vagina? A sperm ducts → testes → urethra → vagina B testes → sperm ducts → urethra → vagina C testes → urethra → sperm ducts → vagina D urethra → testes → sperm ducts → vagina

1 marks

Answer: B

This question in 0653/13 May/June 2019

11 Which statement about sexual reproduction is always correct? A It involves only one parent. B It involves the fusion of nuclei. C It produces genetically identical offspring. D It takes place only in animals.

1 marks

Answer: B

This question in 0653/11 Oct/Nov 2019

10 Which statement about sexual reproduction is always correct? A It involves only one parent. B It involves the fusion of nuclei. C It produces genetically identical offspring. D It takes place only in animals.

1 marks

Answer: B

This question in 0653/12 Oct/Nov 2019

11 What is the function of the human ovaries? A place where the fetus develops B release of eggs C site of fertilisation D transfer of egg to the uterus

1 marks

Answer: B

This question in 0653/12 Oct/Nov 2019

10 Which statement about sexual reproduction is always correct? A It involves only one parent. B It involves the fusion of nuclei. C It produces genetically identical offspring. D It takes place only in animals.

1 marks

Answer: B

This question in 0653/13 Oct/Nov 2019

11 What is the function of the human ovaries? A place where the fetus develops B release of eggs C site of fertilisation D transfer of egg to the uterus

1 marks

Answer: B

This question in 0653/13 Oct/Nov 2019

12 The diagram shows the female reproductive system. In which structure does fertilisation normally happen? B A C D

1 marks

Answer: B

This question in 0653/12 Feb/March 2020

12 Which part of the male reproductive system in humans produces sperm? A penis B scrotum C testes D urethra

1 marks

Answer: C

This question in 0653/11 May/June 2020

11 Where does fertilisation take place? B A C D

1 marks

Answer: B

This question in 0653/13 Oct/Nov 2020

11 The diagram shows the male reproductive organs. sperm duct urethra What is transported by the sperm duct and the urethra? sperm duct urethra A sperm semen and urine B sperm urine only C urine semen and urine D urine semen only

1 marks

Answer: A

This question in 0653/11 May/June 2021

11 The diagram shows the human female reproductive system. Where does fertilisation usually take place? D C A B

1 marks

Answer: D

This question in 0653/12 May/June 2021

10 During human reproduction an egg fuses with a sperm. Sometimes the zygote splits into two and produces twins. Which row describes the formation of these twins? original zygote produced by twins A asexual reproduction genetically identical B sexual reproduction genetically identical C asexual reproduction genetically different D sexual reproduction genetically different

1 marks

Answer: B

This question in 0653/13 May/June 2021

11 Which diagram of the female reproductive system is correctly labelled? A B ovary ovary cervix vagina vagina cervix C D cervix cervix ovary vagina vagina ovary

1 marks

Answer: B

This question in 0653/13 May/June 2021

11 The diagram shows the female reproductive system. Y X Z What are the correct functions of the labelled areas? X Y Z A development of fetus receives penis during site of fertilisation sexual intercourse B receives penis during site of fertilisation development of fetus sexual intercourse C site of fertilisation development of fetus receives penis during sexual intercourse D site of fertilisation receives penis during development of fetus sexual intercourse

1 marks

Answer: C

This question in 0653/11 Oct/Nov 2021

11 The diagram shows the female reproductive system of a human. X Y Z What are the parts labelled X, Y, and Z? X Y Z A oviduct uterus vagina B vagina cervix uterus C oviduct uterus cervix D vagina cervix oviduct

1 marks

Answer: A

This question in 0653/12 Feb/March 2022

12 In which part of the female reproductive system does fertilisation usually take place? C B A D

1 marks

Answer: B

This question in 0653/13 May/June 2022

11 What are two features of sexual reproduction? feature 1 feature 2 A fusion of two identical nuclei requires two different parents B fusion of two zygotes offspring are genetically identical C offspring are genetically different fusion of two different nuclei D only requires a single parent development from a single zygote

1 marks

Answer: C

This question in 0653/12 Oct/Nov 2022

11 What are two features of sexual reproduction? feature 1 feature 2 A fusion of two identical nuclei requires two different parents B fusion of two zygotes offspring are genetically identical C offspring are genetically different fusion of two different nuclei D only requires a single parent development from a single zygote

1 marks

Answer: C

This question in 0653/13 Oct/Nov 2022

10 What are features of sexual reproduction? fusion nature of offspring of nuclei A no genetically different B yes genetically identical C no genetically identical D yes genetically different

1 marks

Answer: D

This question in 0653/11 May/June 2023

13 What is the journey of a sperm cell during sexual intercourse? A testis  urethra  uterus  oviduct B testis  urethra  oviduct  uterus C urethra  sperm duct  uterus  vagina D urethra  vagina  oviduct  uterus

1 marks

Answer: A

This question in 0653/12 May/June 2023

12 Which name is given to the ball of cells that can implant into the wall of the uterus? A embryo B gamete C ovum D zygote

1 marks

Answer: A

This question in 0653/13 May/June 2023

10 Which row is correct for sexual reproduction? genetically different one zygote offspring produced parent produced A v Jv x B Jv x Jv Cc x v x D x x Jv

1 marks

Answer: B

This question in 0653/11 Oct/Nov 2023

11 What is the correct route of sperm cells from where they are produced to leaving the body? A prostate gland  sperm ducts  urethra B prostate gland  testes  sperm ducts C testes  sperm ducts  urethra D testes  urethra  prostate gland

1 marks

Answer: C

This question in 0653/11 Oct/Nov 2023

12 The diagram shows the human male reproductive system. Which labelled part is the prostate gland? D A B C

1 marks

Answer: A

This question in 0653/12 Oct/Nov 2023

12 The diagram shows the human male reproductive system. Which labelled part is the prostate gland? D A B C

1 marks

Answer: A

This question in 0653/13 Oct/Nov 2023

11 Which process occurs during sexual reproduction? A fusion of a female gamete and a male zygote B fusion of a female zygote and a male gamete C fusion of a female gamete and a male gamete D fusion of a female zygote and a male zygote

1 marks

Answer: C

This question in 0653/12 Feb/March 2024

10 Which row is correct for sexual reproduction? a zygote is formed the offspring are genetically identical to each other 0 0O WwW D> ~~ & SOK v x v x

1 marks

Answer: B

This question in 0653/11 Oct/Nov 2024

11 The diagram shows the female human reproductive system. X What is the name of the structure labelled X? A cervix B ovary C uterus D vagina

1 marks

Answer: A

This question in 0653/12 Oct/Nov 2024

11 The diagram shows the female human reproductive system. X What is the name of the structure labelled X? A cervix B ovary C uterus D vagina

1 marks

Answer: A

This question in 0653/13 Oct/Nov 2024

11 What is the name of the human male gamete? A penis B scrotum C sperm D testis

1 marks

Answer: C

This question in 0653/12 Feb/March 2025

11 The diagram shows the human female reproductive system. Q R P S Which row identifies the functions of the labelled parts? releases site of where the eggs fertilisation fetus develops A P P S B P Q R C Q P S D Q Q R

1 marks

Answer: B

This question in 0653/12 May/June 2025

11 Which part of the female reproductive system matches its function? part of the female function reproductive system A cervix ring of muscle at the opening of the uterus B ovaries the site of fertilisation C oviducts where sperm is deposited D uterus release of female gametes

1 marks

Answer: A

This question in 0653/13 May/June 2025

11 The diagram shows the male reproductive system. Which structure is the scrotum? A B C D

1 marks

Answer: D

This question in 0653/11 Oct/Nov 2025

12 In which part of the human female reproductive system does fertilisation normally take place? A ovary B oviduct C uterus D vagina

1 marks

Answer: B

This question in 0653/11 Oct/Nov 2025

12 Which part of the female reproductive system shows the correct function? C receives penis during B sexual intercourse where fetus normally develops A release of D female gametes where fertilisation occurs

1 marks

Answer: A

This question in 0653/12 Oct/Nov 2025

12 Which part of the female reproductive system shows the correct function? C receives penis during B sexual intercourse where fetus normally develops A release of D female gametes where fertilisation occurs

1 marks

Answer: A

This question in 0653/13 Oct/Nov 2025