Leaf structure — Paper 2 · IGCSE Science - Combined 0653

1 The following are features of palisade mesophyll cells: 1 column shaped 2 have a nucleus 3 have large vacuoles 4 have many chloroplasts Which features of these cells help them to absorb maximum light and carry out photosynthesis? A 1, 2, 3 and 4 B 1 and 4 only C 2 and 4 only D 4 only

1 marks

Answer: B

This question in 0653/22 Feb/March 2019

2 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 0653/21 Oct/Nov 2019

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 0653/22 Feb/March 2021

4 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 0653/22 Feb/March 2022

4 Stomata are found in the leaves of plants. What is their main function? A gas exchange B structural support C transport of food molecules D transport of water

1 marks

Answer: A

This question in 0653/23 May/June 2022

3 Which type of cell needs a supply of magnesium ions to carry out its main function? A a ciliated cell B palisade mesophyll cell C a red blood cell D a root hair cell

1 marks

Answer: B

This question in 0653/21 May/June 2024

4 Which row is correct for photosynthesis in a leaf? cells where substrates products photosynthesis occurs A C6H12O6 + 6O2 6H2O + 6CO2 palisade mesophyll B C6H12O6 + 6O2 6H2O + 6CO2 upper epidermis C 6H2O + 6CO2 C6H12O6 + 6O2 palisade mesophyll D 6H2O + 6CO2 C6H12O6 + 6O2 upper epidermis

1 marks

Answer: C

This question in 0653/22 May/June 2024

5 The diagram shows a transverse section through a leaf. layer 1 layer 2 layer 3 layer 4 Which layers have cells that can produce oxygen in the presence of light? A 1, 2, 3 and 4 B 1, 2 and 3 only C 2 and 3 only D 3 and 4 only

1 marks

Answer: D

This question in 0653/21 May/June 2025

2 Palisade mesophyll cells are specialised cells. What is the function of these specialised cells? A photosynthesis B transport C reproduction D immunity

1 marks

Answer: A

This question in 0653/23 May/June 2025

2 Which structure is present in palisade mesophyll cells and is needed for photosynthesis? A cell wall B chloroplast C nucleus D vacuole

1 marks

Answer: B

This question in 0653/21 Oct/Nov 2025

2 What are features of a palisade mesophyll cell? 1 a nucleus 2 a cell wall 3 chloroplasts A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only

1 marks

Answer: A

This question in 0653/22 Oct/Nov 2025