Sexual reproduction in plants — Paper 1 · IGCSE Biology (9-1) 0970

25 The diagram shows parts of a flower. Which structure represents the site of fertilisation? A B C D

1 marks

Answer: D

This question in 0970/12 Oct/Nov 2018

29 The diagram shows a section of an insect-pollinated flower. Which structure is the anther? C B D A

1 marks

Answer: C

This question in 0970/11 May/June 2019

27 What is essential for the germination of all seeds? A light B nutrients C water D photosynthesis

1 marks

Answer: C

This question in 0970/12 Oct/Nov 2019

33 Different organisms have different adaptive features. For example, the anthers of wind-pollinated flowering plants have long filaments. What is true of this adaptive feature? A Filament length is not affected by genes. B It gives the plant an advantage in any environment. C Longer filaments attract more insects. D It makes the plant more likely to reproduce.

1 marks

Answer: D

This question in 0970/12 Oct/Nov 2019

28 What is the transfer of pollen from an anther to a stigma called? A fertilisation B respiration C meiosis D pollination

1 marks

Answer: D

This question in 0970/11 May/June 2020

27 Which conditions are always required for the germination of seeds? condition light oxygen t suitable water emperature A v v x v B v x v x Cc x Jv x v D x v v v key v = required X = not required

1 marks

Answer: D

This question in 0970/12 May/June 2020

28 Where do fertilisation and pollination occur in a flower? fertilisation pollination A carpel ovule B ovary stigma C stigma anther D style carpel

1 marks

Answer: B

This question in 0970/12 May/June 2020

29 The diagram shows a flower cut in half. Which structure receives the pollen nucleus during fertilisation? A B C D

1 marks

Answer: D

This question in 0970/12 Oct/Nov 2020

30 A gardener wants to produce many genetically identical plants from a single plant. The diagram shows different methods of growing new plants. 1 planting seeds 2 runners 3 stem cuttings Which methods will produce plants that are genetically identical to the parent plant? A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only

1 marks

Answer: D

This question in 0970/11 May/June 2021

31 What is the correct description of pollination? A Pollen grains are transferred from the anther to the ovary. B Pollen grains are transferred from the anther to the stigma. C Pollen grains are transferred from the ovary to the stigma. D Pollen grains are transferred from the stamen to the anther.

1 marks

Answer: B

This question in 0970/12 Oct/Nov 2021

31 The diagram shows a cross-section of an insect-pollinated flower. Which label is the stigma? B A C D

1 marks

Answer: A

This question in 0970/11 May/June 2022

32 The diagram shows half a flower. Which structure produces pollen? A B C D

1 marks

Answer: A

This question in 0970/12 Oct/Nov 2023

31 Which row describes an insect-pollinated flower? anther pollen grain stigma A inside flower large and sticky inside flower B outside flower large and sticky inside flower C inside flower small and light outside flower D outside flower small and light outside flower

1 marks

Answer: A

This question in 0970/11 May/June 2024

31 What must always be present for seeds to germinate? A chlorophyll B light C soil D water

1 marks

Answer: D

This question in 0970/12 Oct/Nov 2024

23 Which set of conditions do most seeds require for germination? oxygen warmth water A Jv x Jv key B v Jv x / = required Cc x v v X = not required D v v v

1 marks

Answer: D

This question in 0970/12 Oct/Nov 2025

24 The diagram shows part of a flower. P Q R S After pollination, where would pollen grains be found? A P and Q B P and S C Q and R D R and S

1 marks

Answer: A

This question in 0970/12 Oct/Nov 2025