Sexual reproduction in plants — Paper 1 · IGCSE Sciences - Co-ordinated (Double) 0654

10 Where does fertilisation take place in a flowering plant? A anther B bud C ovule D stigma

1 marks

Answer: C

This question in 0654/11 May/June 2006

10 After a plant has produced flowers, what is the correct sequence of events leading to reproduction in that plant? A fertilisation, pollination, seed formation B pollination, fertilisation, seed formation C seed formation, fertilisation, pollination D seed formation, pollination, fertilisation

1 marks

Answer: B

This question in 0654/11 May/June 2007

10 A student placed four sets of seeds in different conditions. Which set of conditions must be kept constant to show the effect of temperature on germination? A temperature and water only B temperature only C temperature, water and oxygen D water and oxygen only

1 marks

Answer: D

This question in 0654/11 Oct/Nov 2008

9 In which part of a seed is the micropyle found? A cotyledon B plumule C radicle D testa

1 marks

Answer: D

This question in 0654/11 May/June 2009

9 The diagram shows a section through a bean seed. 1 2 3 4 Which numbers identify the parts of the seed? cotyledon plumule radicle testa A 2 1 4 3 B 2 3 4 1 C 3 1 2 4 D 3 2 1 4

1 marks

Answer: C

This question in 0654/11 Oct/Nov 2009

1 The diagram shows a section through a flower. Use the key to identify the flower. 1 flower with many ovules in each ovary ……….. go to 2 flower with one ovule in each ovary …………… go to 3 2 filaments longer than styles ……………………. A filaments shorter than styles …………………… B 3 petals shorter than sepals ……………………… C petals longer than sepals ………………………. D

1 marks

Answer: C

This question in 0654/11 May/June 2010

9 The diagram shows a flower whose stamens are dying. pollen grains stamen Which process has occurred in this flower? A fruit formation B pollination C seed formation D wind dispersal

1 marks

Answer: B

This question in 0654/11 May/June 2010

1 The diagram shows a flower whose stamens are dying. pollen grains stamen Which process has occurred in this flower? A fruit formation B pollination C seed formation D wind dispersal

1 marks

Answer: B

This question in 0654/12 May/June 2010

6 The diagram shows a section through a flower. Use the key to identify the flower. 1 flower with many ovules in each ovary ……….. go to 2 flower with one ovule in each ovary …………… go to 3 2 filaments longer than styles ……………………. A filaments shorter than styles …………………… B 3 petals shorter than sepals ……………………… C petals longer than sepals ………………………. D

1 marks

Answer: C

This question in 0654/12 May/June 2010

10 The diagram shows a wind-dispersed, single-seeded fruit. P position of seed inside Structure P is an extension of which part? A cotyledon B leaf C ovary wall D testa

1 marks

Answer: C

This question in 0654/11 Oct/Nov 2010

11 The diagram shows a wind-dispersed, single-seeded fruit. P position of seed inside Structure P is an extension of which part? A cotyledon B leaf C ovary wall D testa

1 marks

Answer: C

This question in 0654/12 Oct/Nov 2010

11 The diagram shows a wind-dispersed, single-seeded fruit. P position of seed inside Structure P is an extension of which part? A cotyledon B leaf C ovary wall D testa

1 marks

Answer: C

This question in 0654/13 Oct/Nov 2010

10 Why is seed dispersal important? A It causes the development of a fruit. B It makes seeds more fertile. C It prevents asexual reproduction. D It reduces competition between seedlings.

1 marks

Answer: D

This question in 0654/11 May/June 2011

12 Why is seed dispersal important? A It causes the development of a fruit. B It makes seeds more fertile. C It prevents asexual reproduction. D It reduces competition between seedlings.

1 marks

Answer: D

This question in 0654/12 May/June 2011

12 Why is seed dispersal important? A It causes the development of a fruit. B It makes seeds more fertile. C It prevents asexual reproduction. D It reduces competition between seedlings.

1 marks

Answer: D

This question in 0654/13 May/June 2011

10 The diagram shows a section through a bean seed. U R T S What are the labelled parts? cotyledon plumule radicle testa A R T U S B R U T S C S T U R D S U T R

1 marks

Answer: D

This question in 0654/11 Oct/Nov 2011

7 The diagram shows a section through a bean seed. U R T S What are the labelled parts? cotyledon plumule radicle testa A R T U S B R U T S C S T U R D S U T R

1 marks

Answer: D

This question in 0654/12 Oct/Nov 2011

9 The diagram shows a section through a bean seed. U R T S What are the labelled parts? cotyledon plumule radicle testa A R T U S B R U T S C S T U R D S U T R

1 marks

Answer: D

This question in 0654/13 Oct/Nov 2011

10 In a flowering plant, which structure contains the female gamete? A anther B ovule C pollen grain D stigma

1 marks

Answer: B

This question in 0654/11 May/June 2012

9 Pollination is the transfer of pollen A from anther to sepal. B from anther to stigma. C from sepal to anther. D from stigma to anther.

1 marks

Answer: B

This question in 0654/11 Oct/Nov 2013

11 Pollination is the transfer of pollen A from anther to sepal. B from anther to stigma. C from sepal to anther. D from stigma to anther.

1 marks

Answer: B

This question in 0654/12 Oct/Nov 2013

9 The diagram shows a section through an insect-pollinated flower. When pollination occurs where must the pollen grains reach? A B C D

1 marks

Answer: B

This question in 0654/13 Oct/Nov 2013

11 The diagram shows the flower of a pea plant and the fruit that develops from the flower after fertilisation. pea (seed) X flower fruit Which part of the flower becomes part X on the fruit? A ovary B sepal C stamen D stigma

1 marks

Answer: B

This question in 0654/11 May/June 2014

11 The diagram shows a section through a flower. S R P Q Which labelled structures are the anther and the ovary? anther ovary A R P B R Q C S P D S Q

1 marks

Answer: D

This question in 0654/12 May/June 2014

10 The diagram shows the flower of a pea plant and the fruit that develops from the flower after fertilisation. pea (seed) X flower fruit Which part of the flower becomes part X on the fruit? A ovary B sepal C stamen D stigma

1 marks

Answer: B

This question in 0654/13 May/June 2014

10 The diagram shows a section through an insect-pollinated flower. Q P R What are the functions of P, Q and R? P Q R A to produce ovules to produce pollen to receive pollen B to produce pollen to produce ovules to receive pollen C to produce pollen to receive pollen to produce ovules D to receive pollen to produce pollen to produce ovules

1 marks

Answer: C

This question in 0654/11 May/June 2015

11 Which statement about flowers is correct? A The anther and stigma are parts of the carpel. B The anther and stigma are parts of the stamen. C The ovary and stigma are parts of the carpel. D The ovary and stigma are parts of the stamen.

1 marks

Answer: C

This question in 0654/13 Oct/Nov 2015

11 Which structure protects a flower when it is in bud? A petal B sepal C stamen D stigma

1 marks

Answer: B

This question in 0654/12 Oct/Nov 2016

11 The diagram shows a cross-section of a flower. X Y Z What are the parts labelled X, Y and Z? X Y Z A anther sepal stigma B anther stigma sepal C sepal anther stigma D stigma anther sepal

1 marks

Answer: D

This question in 0654/11 May/June 2017

8 In which part of a flower are the pollen grains produced? A anther B leaf C petal D sepal

1 marks

Answer: A

This question in 0654/13 May/June 2017

6 Self-pollination occurs when pollen is transferred from the male part of a flower to the female part of the same flower. Which arrow on the diagram shows self-pollination? D A C B

1 marks

Answer: A

This question in 0654/12 Oct/Nov 2017

10 The diagram shows a section through a flower. M N P Which row identifies M, N and P? M N P A sepal stamen stigma B sepal stigma stamen C stigma sepal stamen D stigma stamen sepal

1 marks

Answer: D

This question in 0654/12 Oct/Nov 2018

10 Which part of a flower produces pollen grains? A anther B ovary C sepal D stigma

1 marks

Answer: A

This question in 0654/13 Oct/Nov 2018

10 The diagram shows a section through an insect-pollinated flower. When pollination occurs, where must the pollen grains reach? A B C D

1 marks

Answer: B

This question in 0654/11 May/June 2019

10 The diagram shows a section through an insect-pollinated flower. When pollination occurs, where must the pollen grains reach? A B C D

1 marks

Answer: B

This question in 0654/12 May/June 2019

10 The diagram shows a section through an insect-pollinated flower. When pollination occurs, where must the pollen grains reach? A B C D

1 marks

Answer: B

This question in 0654/13 May/June 2019

10 The diagram shows a section through a pea flower. Where does fertilisation occur? A B D C

1 marks

Answer: C

This question in 0654/13 May/June 2020

10 What describes pollination? A fertilisation of an egg by a pollen grain B pollen being carried by bees C transfer of pollen from a stigma to a stamen D transfer of pollen from an anther to a stigma

1 marks

Answer: D

This question in 0654/12 Oct/Nov 2020

10 The diagram shows a section of a pea flower. Which part is the ovary? B A D C

1 marks

Answer: A

This question in 0654/11 Oct/Nov 2021

10 In which structure is pollen made? A anther B ovary C sepal D stigma

1 marks

Answer: A

This question in 0654/13 Oct/Nov 2021

10 The diagram shows a cross-section of a carpel of an insect-pollinated flower. ovule pollen grain pollen nucleus nucleus Which row correctly shows the processes that have taken place? pollination fertilisation A v v B v x Cc x v D x x key JY = has occurred X = has not occurred

1 marks

Answer: B

This question in 0654/13 Oct/Nov 2022

10 The diagram shows a section through a flower. S R P Q Which labelled structures are the anther and the ovary? anther ovary A R P B R Q C S P D S Q

1 marks

Answer: D

This question in 0654/12 May/June 2023

10 The diagram shows a section through a flower. S R P Q Which labelled structures are the anther and the ovary? anther ovary A R P B R Q C S P D S Q

1 marks

Answer: D

This question in 0654/13 May/June 2023

10 Which diagram shows fertilisation occurring in a flower? A B C D pollen nucleus style ovule nucleus

1 marks

Answer: B

This question in 0654/12 Oct/Nov 2023

10 Before fertilisation in flowering plants, which structure must the pollen nucleus pass through to reach the nucleus in the ovule? A filament B petal C stamen D style

1 marks

Answer: D

This question in 0654/11 Oct/Nov 2024

10 The roles of oxygen, water and light in seed germination are investigated. The results of the experiment are shown. alkaline pyrogallol, removes oxygen wet wet wet cotton cotton cotton wool wool wool no light no water no oxygen oxygen, water and light Which factors are shown to be needed for germination? A light and water only B light and oxygen only C oxygen and water only D oxygen, water and light

1 marks

Answer: C

This question in 0654/12 Oct/Nov 2024

10 The roles of oxygen, water and light in seed germination are investigated. The results of the experiment are shown. alkaline pyrogallol, removes oxygen wet wet wet cotton cotton cotton wool wool wool no light no water no oxygen oxygen, water and light Which factors are shown to be needed for germination? A light and water only B light and oxygen only C oxygen and water only D oxygen, water and light

1 marks

Answer: C

This question in 0654/13 Oct/Nov 2024

13 The diagram shows a cross section of a flower. Which labelled part is the style? A D B C

1 marks

Answer: D

This question in 0654/12 Feb/March 2025