B8.1· 26 questions · 26 marks · 31 min · 2006–2025· Multiple choice
Every Cambridge IGCSE Sciences - Co-ordinated (Double) Paper 1 question on xylem and phloem, laid out as 9 A4 pages with the mark scheme below. Nothing is left out. Free to read, no account.

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9 / 9Answers below. Sit the paper first if you are practising.
Pastlit
Sciences - Co-ordinated (Double) 0654 · Xylem and phloem — Paper 1
IGCSE · topical answer key — answer key (teacher use)
Question
Answer
Marks
| Question | Answer | Marks | From |
|---|---|---|---|
| 1 | D | 1 | 0654/11 Oct/Nov 2006 |
| 2 | D | 1 | 0654/11 Oct/Nov 2011 |
| 3 | D | 1 | 0654/12 Oct/Nov 2011 |
| 4 | D | 1 | 0654/13 Oct/Nov 2011 |
| 5 | C | 1 | 0654/12 May/June 2013 |
| 6 | C | 1 | 0654/13 Oct/Nov 2013 |
| 7 | B | 1 | 0654/13 Oct/Nov 2015 |
| 8 | D | 1 | 0654/11 May/June 2017 |
| 9 | C | 1 | 0654/12 Oct/Nov 2018 |
| 10 | B | 1 | 0654/11 Oct/Nov 2019 |
| 11 | B | 1 | 0654/12 Oct/Nov 2019 |
| 12 | B | 1 | 0654/13 Oct/Nov 2019 |
| 13 | C | 1 | 0654/11 Oct/Nov 2022 |
| 14 | C | 1 | 0654/12 Oct/Nov 2022 |
| 15 | C | 1 | 0654/13 Oct/Nov 2022 |
| 16 | D | 1 | 0654/12 Feb/March 2023 |
| 17 | C | 1 | 0654/11 Oct/Nov 2023 |
| 18 | D | 1 | 0654/13 Oct/Nov 2023 |
| 19 | D | 1 | 0654/12 Oct/Nov 2024 |
| 20 | D | 1 | 0654/13 Oct/Nov 2024 |
| 21 | A | 1 | 0654/12 Feb/March 2025 |
| 22 | D | 1 | 0654/11 May/June 2025 |
| 23 | D | 1 | 0654/12 May/June 2025 |
| 24 | D | 1 | 0654/13 May/June 2025 |
| 25 | A | 1 | 0654/12 Oct/Nov 2025 |
| 26 | A | 1 | 0654/13 Oct/Nov 2025 |
5 Roots of a seedling are placed in a solution containing red dye. solution containing red dye What is the path of the red dye after it has entered the roots? A phloem in root → phloem in stem B phloem in root → xylem in stem C xylem in root → phloem in stem D xylem in root → xylem in stem
1 marks
Answer: D
5 The diagram shows a shoot of a plant with a transparent stem in a solution of blue dye. blue lines solution of blue dye start 4 hours later What do the blue lines in the stem show? A The dye is drawn up the phloem in the stem. B The dye moves up the stem by diffusion. C The dye shows liquid can circulate in the stem. D The dye travels through tubes in the stem.
1 marks
Answer: D
6 The diagram shows a shoot of a plant with a transparent stem in a solution of blue dye. blue lines solution of blue dye start 4 hours later What do the blue lines in the stem show? A The dye is drawn up the phloem in the stem. B The dye moves up the stem by diffusion. C The dye shows liquid can circulate in the stem. D The dye travels through tubes in the stem.
1 marks
Answer: D
4 The diagram shows a shoot of a plant with a transparent stem in a solution of blue dye. blue lines solution of blue dye start 4 hours later What do the blue lines in the stem show? A The dye is drawn up the phloem in the stem. B The dye moves up the stem by diffusion. C The dye shows liquid can circulate in the stem. D The dye travels through tubes in the stem.
1 marks
Answer: D
4 The diagrams represent sections through a root, a stem and a leaf mid-rib, not drawn to the same scale. P Q R S In which row are the sections correctly identified? root stem leaf A P Q R B Q R P C R P Q D S R Q
1 marks
Answer: C
3 The diagrams show sections through a stem and a root. S Q R P T stem root Which indicate the positions of the phloem? A P and S B P and T C Q and S D R and T
1 marks
Answer: C
6 The diagram shows sections through a plant root and a leaf. 3 1 2 4 root leaf Which tissues are phloem? A 1 and 3 B 1 and 4 C 2 and 3 D 2 and 4
1 marks
Answer: B
6 Which tissue carries water up the stem of a plant? A epidermis B phloem C spongy mesophyll D xylem
1 marks
Answer: D
5 Plants transport various substances through their xylem and phloem tissues. If the contents of both tissues are analysed, which substance would be found only in phloem? A magnesium ions B nitrate ions C sugars D water
1 marks
Answer: C
7 The diagrams show sections through a stem and a root. S Q P T stem root Which indicate the positions of the xylem? A P and S B P and T C Q and S D Q and T
1 marks
Answer: B
7 The diagrams show sections through a stem and a root. S Q P T stem root Which indicate the positions of the xylem? A P and S B P and T C Q and S D Q and T
1 marks
Answer: B
7 The diagrams show sections through a stem and a root. S Q P T stem root Which indicate the positions of the xylem? A P and S B P and T C Q and S D Q and T
1 marks
Answer: B
7 The diagrams represent sections through a root, a stem and a leaf mid-rib, not drawn to the same scale. P Q R S In which row are the sections correctly identified? root stem leaf A P S R B Q R S C R P Q D S Q P
1 marks
Answer: C
7 The diagrams represent sections through a root, a stem and a leaf mid-rib, not drawn to the same scale. P Q R S In which row are the sections correctly identified? root stem leaf A P S R B Q R S C R P Q D S Q P
1 marks
Answer: C
7 The diagrams represent sections through a root, a stem and a leaf mid-rib, not drawn to the same scale. P Q R S In which row are the sections correctly identified? root stem leaf A P S R B Q R S C R P Q D S Q P
1 marks
Answer: C
5 Why are nitrate ions necessary for plant growth? A They are essential for producing starch. B They are found in the chloroplasts. C They are part of the cell sap. D They are used in making amino acids.
1 marks
Answer: D
7 Which label shows the position of the xylem in the cross-section of the root of a dicotyledonous plant? B A C D
1 marks
Answer: C
7 Which row names the substances carried by xylem vessels and the direction of travel? substances direction of travel A sucrose only leaves to roots B sucrose only roots to leaves C water and dissolved minerals leaves to roots D water and dissolved minerals roots to leaves
1 marks
Answer: D
7 The diagram shows an investigation into water transport in plants. flower with flower with white petals dyed petals water with water with coloured dye coloured dye start 8 hours later Which part of the stem transports the coloured dye from the test-tube to the petals of the flower? A mesophyll cells B phloem C root hair cells D xylem
1 marks
Answer: D
7 The diagram shows an investigation into water transport in plants. flower with flower with white petals dyed petals water with water with coloured dye coloured dye start 8 hours later Which part of the stem transports the coloured dye from the test-tube to the petals of the flower? A mesophyll cells B phloem C root hair cells D xylem
1 marks
Answer: D
9 The diagram shows a cross section of a plant stem and a plant root. Y X stem root Which row identifies labels X and Y? X Y A phloem phloem B phloem xylem C xylem phloem D xylem xylem
1 marks
Answer: A
8 The diagram shows a cross-section of a plant stem. X Which tissue is X? A cortex B mesophyll C phloem D xylem
1 marks
Answer: D
7 The diagram shows a cross-section of a plant root. S Which row is correct for tissue S? name of tissue substance transported A phloem amino acids and sucrose B phloem water C xylem amino acids and sucrose D xylem water
1 marks
Answer: D
7 The diagram shows a cross-section of a plant root. S Which row is correct for tissue S? name of tissue substance transported A phloem amino acids and sucrose B phloem water C xylem amino acids and sucrose D xylem water
1 marks
Answer: D
4 The diagram shows a cross-section of a leaf. Which structure is a xylem cell? A D B C
1 marks
Answer: A
4 The diagram shows a cross-section of a leaf. Which structure is a xylem cell? A D B C
1 marks
Answer: A