Xylem and phloem — Paper 1 · IGCSE Biology (9-1) 0970

15 The diagram shows part of a section through a plant stem. Which tissue transports water from the roots to the leaves? A B C D

1 marks

Answer: C

This question in 0970/11 May/June 2018

12 The diagram shows a cross-section of a leaf. Which is the xylem? A B C D

1 marks

Answer: B

This question in 0970/12 Oct/Nov 2018

16 A celery stalk was placed into a beaker of blue dye. When the dye reached the leaves, the stalk was taken out and a section was cut, as shown in the diagram. celery stalk cut blue dye Which diagram shows the appearance of the cut end of the stalk? A B C D blue dye blue dye blue dye

1 marks

Answer: B

This question in 0970/11 May/June 2019

13 After passing through the root hair cells of a plant, what is the next tissue through which water passes? A cortex B epidermis C mesophyll D xylem

1 marks

Answer: A

This question in 0970/11 May/June 2020

13 After passing through the root hair cells of a plant, what is the next tissue through which water passes? A cortex B epidermis C mesophyll D xylem

1 marks

Answer: A

This question in 0970/12 May/June 2020

17 In which order does water pass through these structures in a plant? A mesophyll  root hair  xylem B mesophyll  xylem  root hair C root hair  mesophyll  xylem D root hair  xylem  mesophyll

1 marks

Answer: D

This question in 0970/12 Oct/Nov 2020

18 What is a function of phloem? A transports minerals to the roots B transports starch to the roots C transports sugar to the roots D transports water to the roots

1 marks

Answer: C

This question in 0970/12 Oct/Nov 2020

17 The diagram shows part of a cross-section of a root. 2 1 3 What are cells 1, 2 and 3? 1 2 3 A root cortex cell root hair cell mesophyll cell B root hair cell root cortex cell xylem C root hair cell root cortex cell mesophyll cell D root cortex cell root hair cell xylem

1 marks

Answer: B

This question in 0970/11 May/June 2021

4 The diagram shows some tissues in part of a plant root. The arrows represent the movement of water into and across the plant root tissues. How many different tissues are shown? A 2 B 4 C 5 D 7

1 marks

Answer: B

This question in 0970/12 Oct/Nov 2021

17 The diagram shows a young plant. P Q R In which parts of the plant are xylem vessels found? A P, Q and R B P and Q only C Q and R only D Q only

1 marks

Answer: A

This question in 0970/12 Oct/Nov 2021

13 Which tissues are found in vascular bundles? A palisade mesophyll and phloem B palisade mesophyll and spongy mesophyll C phloem and xylem D spongy mesophyll and xylem

1 marks

Answer: C

This question in 0970/11 May/June 2022

17 A non-woody plant stem is placed in water containing a red dye. It is left for one day and then a section of the stem is examined using a microscope. Which tissue is stained red? B C D A

1 marks

Answer: D

This question in 0970/11 May/June 2022

17 The diagram shows a cross-section of part of a plant. H Which part of the plant is shown and what is the tissue labelled H? plant part tissue H A root phloem B root xylem C stem phloem D stem xylem

1 marks

Answer: A

This question in 0970/12 May/June 2022

7 The roots of a plant were placed in a solution of red dye. After 24 hours, a section of root and a section of leaf were cut from the plant. top of the leaf Q R P S root leaf In which tissues will the red dye be visible? A P and R B P and S C Q and R D Q and S

1 marks

Answer: C

This question in 0970/12 Oct/Nov 2022

17 Which row shows the functions of xylem and phloem? transports transports transports amino acids mineral ions sucrose A phloem xylem phloem B xylem xylem phloem C xylem phloem xylem D phloem phloem xylem

1 marks

Answer: A

This question in 0970/11 May/June 2023

17 Which pathway is taken by water through a plant? A root hair → root cortex → xylem → mesophyll → stomata B root hair → xylem → mesophyll → root cortex → stomata C stomata → root cortex → xylem → mesophyll → root hair D stomata → root hair → root cortex → xylem → mesophyll

1 marks

Answer: A

This question in 0970/12 May/June 2023

17 The photograph shows a cross-section through a sunflower stem. Z What is the name and function of the tissue labelled Z? name of tissue function of tissue A phloem transport of mineral ions B phloem transport of sucrose C xylem transport of mineral ions D xylem transport of sucrose

1 marks

Answer: C

This question in 0970/12 Oct/Nov 2023

20 What is present in a vascular bundle? A anthers B guard cells C palisade cells D xylem vessels

1 marks

Answer: D

This question in 0970/11 May/June 2024

21 What is the pathway taken by water from the soil to the leaf? A root hair cells →root cortex →mesophyll →xylem B root hair cells →root cortex →xylem →mesophyll C root cortex→root hair cells →mesophyll →xylem D root cortex →root hair cells→xylem →mesophyll

1 marks

Answer: B

This question in 0970/11 May/June 2024

20 Which statement describes transpiration? A Water is pulled upwards by active transport. B Water is pulled up from the roots by phloem. C Water moves by osmosis inside the xylem vessels. D Water vapour diffuses out of the leaves.

1 marks

Answer: D

This question in 0970/12 May/June 2024

21 The diagram shows a cross-section of a stem. R S Which statement correctly describes the location and function of phloem? A Structure R is phloem and transports amino acids and starch. B Structure S is phloem and transports amino acids and starch. C Structure R is phloem and transports amino acids and sucrose. D Structure S is phloem and transports amino acids and sucrose.

1 marks

Answer: C

This question in 0970/12 Oct/Nov 2024

18 The roots of a plant are cut off and the stem is placed in a beaker containing a liquid red stain. After a few hours, in which part of the plant stem will the red stain be visible? A cuticle B phloem C style D xylem

1 marks

Answer: D

This question in 0970/11 May/June 2025

13 Which pathway is taken by water from the roots to the leaves? A root cortex cells  root hair cells  mesophyll cells  xylem B root cortex cells  root hair cells  xylem  mesophyll cells C root hair cells  root cortex cells  mesophyll cells  xylem D root hair cells  root cortex cells  xylem  mesophyll cells

1 marks

Answer: D

This question in 0970/12 Oct/Nov 2025