Leaf structure — Paper 1 · IGCSE Sciences - Co-ordinated (Double) 0654

3 The diagram shows a cross section of a leaf. 1 2 3 4 5 In which two parts of the leaf does photosynthesis take place? A 1 and 3 B 2 and 3 C 3 and 4 D 4 and 5

1 marks

Answer: B

This question in 0654/11 Oct/Nov 2009

2 The diagram shows a section through a leaf. Which layer of cells produces most sugar? A B C D

1 marks

Answer: B

This question in 0654/11 Oct/Nov 2011

3 The diagram shows a section through a leaf. Which layer of cells produces most sugar? A B C D

1 marks

Answer: B

This question in 0654/12 Oct/Nov 2011

1 The diagram shows a section through a leaf. Which layer of cells produces most sugar? A B C D

1 marks

Answer: B

This question in 0654/13 Oct/Nov 2011

6 During photosynthesis, where does most of the carbon dioxide and water enter a leaf? carbon dioxide water A through cuticle in phloem B through cuticle in xylem C through stomata in phloem D through stomata in xylem

1 marks

Answer: D

This question in 0654/12 May/June 2014

5 The diagram shows a section through a cell from a leaf. Which part makes simple sugars using light? A B C D

1 marks

Answer: D

This question in 0654/11 May/June 2015

6 The diagram shows a section through a leaf. Which is a cell with no chloroplasts? B C D A

1 marks

Answer: C

This question in 0654/13 May/June 2015

5 The diagram shows a section through a leaf. Where are carbohydrates made? B A C D

1 marks

Answer: C

This question in 0654/12 Oct/Nov 2015

4 The diagram shows a section through a leaf. Where are carbohydrates made? B A C D

1 marks

Answer: C

This question in 0654/13 Oct/Nov 2015

5 The diagram shows a section through a leaf. P Q T R S Which structures contain chloroplasts? A P, Q and R B Q, R and S C R, S and T D S, T and P

1 marks

Answer: B

This question in 0654/13 Oct/Nov 2018

5 The diagram shows a cross-section through a plant leaf. P Q Which row identifies P and Q? P Q A cuticle palisade mesophyll B cuticle spongy mesophyll C epidermis palisade mesophyll D epidermis spongy mesophyll

1 marks

Answer: A

This question in 0654/11 May/June 2019

7 Transpiration is the process by which water moves through a plant. From which cells in the leaf does most of the water evaporate and through which structure is it lost as water vapour to the atmosphere? evaporates lost as water from vapour through A epidermis cuticle B epidermis stomata C mesophyll cuticle D mesophyll stomata

1 marks

Answer: D

This question in 0654/12 May/June 2021

7 The diagram shows a transverse section through a plant stem. X Which tissue is X? A mesophyll B phloem C epidermis D xylem

1 marks

Answer: B

This question in 0654/13 Oct/Nov 2021

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

This question in 0654/11 Oct/Nov 2022

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

This question in 0654/12 Oct/Nov 2022

5 The diagram shows a section of a dicotyledonous leaf. Which layer is the spongy mesophyll? A B C D

1 marks

Answer: C

This question in 0654/13 Oct/Nov 2022

5 The diagram shows the cross-section of part of a leaf with cells labelled W, X, Y and Z. X W Z Y Which cells lose most water and which cells absorb most carbon dioxide during the daytime? A W and X B X and Y C Y and Z D W and Z

1 marks

Answer: A

This question in 0654/12 May/June 2024

5 The diagram shows the cross-section of part of a leaf with cells labelled W, X, Y and Z. X W Z Y Which cells lose most water and which cells absorb most carbon dioxide during the daytime? A W and X B X and Y C Y and Z D W and Z

1 marks

Answer: A

This question in 0654/13 May/June 2024

5 The diagram shows a plan of the cross-section of a dicotyledonous leaf. P What is the name of the part labelled P? A palisade mesophyll B spongy mesophyll C upper epidermis D vascular bundle

1 marks

Answer: C

This question in 0654/11 Oct/Nov 2024

4 The diagram shows a cross-section of a leaf. Which structure is a xylem cell? A D B C

1 marks

Answer: A

This question in 0654/12 Oct/Nov 2025

4 The diagram shows a cross-section of a leaf. Which structure is a xylem cell? A D B C

1 marks

Answer: A

This question in 0654/13 Oct/Nov 2025