Leaf structure — Paper 1 · IGCSE Science - Combined 0653

11 The diagram shows a section through a leaf. During photosynthesis, where would the greatest conversion of light energy to chemical energy take place? A B C D

1 marks

Answer: B

This question in 0653/11 Oct/Nov 2005

7 The diagram shows some cells in a leaf of a green plant. In which layer of cells does most photosynthesis occur? sunlight A B C D gases enter

1 marks

Answer: B

This question in 0653/11 Oct/Nov 2006

5 The diagram shows a section through a leaf. Where does evaporation of water take place? C B D A

1 marks

Answer: B

This question in 0653/11 May/June 2009

4 The diagram shows a section through a leaf. 1 2 3 Which part brings water to the leaf and through which part does water leave the leaf? brings water water leaves A 1 2 B 1 3 C 2 1 D 3 1

1 marks

Answer: B

This question in 0653/12 May/June 2010

4 The diagram shows a section through a leaf. 1 2 3 Which part brings water to the leaf and through which part does water leave the leaf? brings water water leaves A 1 2 B 1 3 C 2 1 D 3 1

1 marks

Answer: B

This question in 0653/13 May/June 2010

4 The diagram shows a section through a leaf. Z Y X What are X, Y and Z? X Y Z A epidermis cell air space phloem B epidermis cell stoma xylem C guard cell air space xylem D guard cell stoma phloem

1 marks

Answer: C

This question in 0653/11 Oct/Nov 2010

8 The diagram shows a section through a leaf. The arrows show water movement. Where does the water evaporate? A B C D

1 marks

Answer: D

This question in 0653/11 Oct/Nov 2010

1 The diagram shows a section through a leaf. Z Y X What are X, Y and Z? X Y Z A epidermis cell air space phloem B epidermis cell stoma xylem C guard cell air space xylem D guard cell stoma phloem

1 marks

Answer: C

This question in 0653/12 Oct/Nov 2010

6 The diagram shows a section through a leaf. The arrows show water movement. Where does the water evaporate? A B C D

1 marks

Answer: D

This question in 0653/12 Oct/Nov 2010

2 The diagram shows a section through a leaf. Z Y X What are X, Y and Z? X Y Z A epidermis cell air space phloem B epidermis cell stoma xylem C guard cell air space xylem D guard cell stoma phloem

1 marks

Answer: C

This question in 0653/13 Oct/Nov 2010

7 The diagram shows a section through a leaf. The arrows show water movement. Where does the water evaporate? A B C D

1 marks

Answer: D

This question in 0653/13 Oct/Nov 2010

7 The diagram shows the arrangement of cells in a vertical section of a leaf of a green plant. No cell contents are shown. 1 2 3 4 5 In which cells is light energy turned into chemical energy? A 1, 2 and 4 B 1, 3 and 4 C 2, 3 and 5 D 2, 4 and 5

1 marks

Answer: C

This question in 0653/11 May/June 2011

5 The diagram shows the arrangement of cells in a vertical section of a leaf of a green plant. No cell contents are shown. 1 2 3 4 5 In which cells is light energy turned into chemical energy? A 1, 2 and 4 B 1, 3 and 4 C 2, 3 and 5 D 2, 4 and 5

1 marks

Answer: C

This question in 0653/12 May/June 2011

4 Which leaf tissue has specialised cells that surround stomata? A epidermis B palisade mesophyll C phloem D xylem

1 marks

Answer: A

This question in 0653/11 Oct/Nov 2011

7 When a leaf is photosynthesising, in which direction do gases diffuse through the stomata? carbon dioxide oxygen A in in B in out C out in D out out

1 marks

Answer: B

This question in 0653/11 Oct/Nov 2011

1 Which leaf tissue has specialised cells that surround stomata? A epidermis B palisade mesophyll C phloem D xylem

1 marks

Answer: A

This question in 0653/12 Oct/Nov 2011

5 When a leaf is photosynthesising, in which direction do gases diffuse through the stomata? carbon dioxide oxygen A in in B in out C out in D out out

1 marks

Answer: B

This question in 0653/12 Oct/Nov 2011

2 Which leaf tissue has specialised cells that surround stomata? A epidermis B palisade mesophyll C phloem D xylem

1 marks

Answer: A

This question in 0653/13 Oct/Nov 2011

4 The diagram shows some cells in a leaf of a green plant. In which layer of cells does most photosynthesis occur? sunlight D A B C gases enter

1 marks

This question in 0653/11 May/June 2012

3 The diagram shows part of a cross-section of a leaf. Where is light energy used? A B C D

1 marks

Answer: D

This question in 0653/12 May/June 2012

3 The diagram shows part of a cross-section of a leaf. Where is light energy used? A B C D

1 marks

Answer: D

This question in 0653/13 May/June 2012

2 The diagram shows a leaf in sunlight and some of the substances that diffuse into and out of it. water vapour carbon oxygen dioxide Which of the following has a higher concentration outside the leaf than inside the leaf? A carbon dioxide only B carbon dioxide and oxygen C oxygen and water vapour D water vapour only

1 marks

Answer: A

This question in 0653/11 Oct/Nov 2013

2 The diagram shows a leaf in sunlight and some of the substances that diffuse into and out of it. water vapour carbon oxygen dioxide Which of the following has a higher concentration outside the leaf than inside the leaf? A carbon dioxide only B carbon dioxide and oxygen C oxygen and water vapour D water vapour only

1 marks

Answer: A

This question in 0653/13 Oct/Nov 2013

7 The diagram shows a section through a leaf. 2 3 1 Which part brings water to the leaf and through which part does water leave? brings water water leaves A 1 2 B 1 3 C 2 1 D 3 1

1 marks

Answer: C

This question in 0653/12 Oct/Nov 2014

5 In leaves, which type of cells surround stomata? A guard cells B palisade cells C phloem D xylem

1 marks

Answer: A

This question in 0653/13 Oct/Nov 2014

7 The diagram shows a section through a leaf. 2 3 1 Which part brings water to the leaf and through which part does water leave? brings water water leaves A 1 2 B 1 3 C 2 1 D 3 1

1 marks

Answer: C

This question in 0653/13 Oct/Nov 2014

6 In transpiration, most of the water evaporates at the surface of which part of a leaf? A epidermis B guard cells C mesophyll D xylem

1 marks

Answer: C

This question in 0653/12 May/June 2015

6 The diagram shows a section through a leaf. Where are there cells that contain the light-absorbing structures? A B C D

1 marks

Answer: C

This question in 0653/13 May/June 2015

5 The diagram shows a section through a leaf. 1 2 3 Where does carbon dioxide enter the leaf and where does water leave? carbon dioxide water leaves enters A 1 2 B 1 3 C 3 1 D 3 3

1 marks

Answer: D

This question in 0653/13 Oct/Nov 2015

5 Which part of a leaf contains the pigment needed for photosynthesis? A cuticle B mesophyll cells C phloem cells D stomata

1 marks

Answer: B

This question in 0653/11 May/June 2016

5 The diagram shows a section through part of a leaf as seen under a light microscope. 1 2 What are the labelled parts? 1 2 A cuticle phloem B cuticle xylem C epidermis phloem D epidermis xylem

1 marks

Answer: B

This question in 0653/13 May/June 2016

3 The diagram shows a palisade cell from a leaf. 1 2 3 6 5 4 Which labelled structures are found only in plant cells? A 1, 2 and 6 B 1, 5 and 6 C 2, 3 and 5 D 2, 3 and 6

1 marks

Answer: B

This question in 0653/13 Oct/Nov 2016

5 Where are guard cells found in a leaf? A in the cuticle B in the epidermis C in the palisade layer D in the spongy mesophyll

1 marks

Answer: B

This question in 0653/11 Oct/Nov 2017

5 The diagram shows a section through a leaf. 1 2 3 Where does carbon dioxide enter the leaf and where does water leave? carbon dioxide water leaves enters A 1 2 B 1 3 C 3 1 D 3 3

1 marks

Answer: D

This question in 0653/12 Feb/March 2018

6 The diagram shows a section through a leaf. Where does water enter the leaf? A B C D

1 marks

Answer: B

This question in 0653/12 May/June 2018

6 The diagram shows a section through a leaf. Where does water enter the leaf? A B C D

1 marks

Answer: B

This question in 0653/13 May/June 2018

3 The diagram shows some cells in a leaf of a green plant. In which layer of cells does most photosynthesis occur? sunlight D A B C gases enter

1 marks

Answer: A

This question in 0653/12 Feb/March 2019

3 The diagram shows a section through a leaf. X Y Z Which row correctly identifies the labelled parts of the leaf section? X Y Z A cuticle vascular bundle palisade mesophyll B palisade mesophyll vascular bundle spongy mesophyll C palisade mesophyll cuticle spongy mesophyll D spongy mesophyll cuticle vascular bundle

1 marks

Answer: B

This question in 0653/11 Oct/Nov 2019

6 The diagram shows a section through part of a leaf as seen under a light microscope. 1 2 What are the labelled parts? 1 2 A cuticle phloem B cuticle xylem C epidermis phloem D epidermis xylem

1 marks

Answer: B

This question in 0653/11 May/June 2020

5 The diagram shows a section of a leaf. Which letter is the epidermis? A B C D

1 marks

Answer: B

This question in 0653/12 Feb/March 2021

5 The diagram shows a section through a leaf. X Y Z Which row correctly identifies the labelled parts of the leaf section? X Y Z A cuticle vascular bundle palisade mesophyll B palisade mesophyll vascular bundle spongy mesophyll C palisade mesophyll cuticle spongy mesophyll D spongy mesophyll cuticle vascular bundle

1 marks

Answer: B

This question in 0653/12 Feb/March 2022

5 The diagram shows a section through the leaf of a dicotyledonous plant. 1 6 2 5 4 3 Which numbered labels identify the named structures in this leaf? spongy guard cell phloem mesophyll A 4 1 5 B 3 1 6 C 4 2 6 D 3 2 5

1 marks

Answer: D

This question in 0653/12 Oct/Nov 2022

5 The diagram shows a section through the leaf of a dicotyledonous plant. 1 6 2 5 4 3 Which numbered labels identify the named structures in this leaf? spongy guard cell phloem mesophyll A 4 1 5 B 3 1 6 C 4 2 6 D 3 2 5

1 marks

Answer: D

This question in 0653/13 Oct/Nov 2022

4 The diagram shows a section through part of a leaf. Which label is correct? A upper epidermis B spongy mesophyll layer C chloroplast D stoma

1 marks

Answer: C

This question in 0653/11 May/June 2023

7 The diagram shows a section through a leaf. The arrows represent the movement of water by diffusion, evaporation or osmosis. 4 3 2 1 Which arrows represent diffusion and evaporation? diffusion evaporation A 1 2 B 2 3 C 3 4 D 4 1

1 marks

Answer: A

This question in 0653/11 May/June 2024

8 The diagram shows a section through a leaf. Which arrow represents the evaporation of water during transpiration? A A B B C D

1 marks

Answer: C

This question in 0653/13 May/June 2024

6 The table shows some of the processes involved in transpiration. What happens to these processes when the temperature increases? evaporation of water diffusion of from the surface water vapour of mesophyll cells through stomata A decreases decreases B decreases increases C increases decreases D increases increases

1 marks

Answer: D

This question in 0653/11 Oct/Nov 2024

5 The diagram shows a section through a leaf. Which letter identifies the epidermis? A B C D

1 marks

Answer: B

This question in 0653/12 Feb/March 2025

7 Which part of a leaf of a dicotyledonous plant contains chloroplasts? A cuticle B palisade mesophyll C phloem D stomata

1 marks

Answer: B

This question in 0653/11 May/June 2025

4 A student labels a section through a leaf as shown. Which label is not correct? A upper epidermis B palisade mesophyll C spongy mesophyll D stomata

1 marks

Answer: D

This question in 0653/12 May/June 2025

6 The diagram shows a section through a leaf. upper epidermis air space X What is the structure labelled X? A guard cell B palisade mesophyll C phloem D xylem

1 marks

Answer: A

This question in 0653/13 May/June 2025