Leaf structure — Paper 2 · IGCSE Biology (9-1) 0970

5 How do carbon dioxide and oxygen move into and out of a mesophyll cell? A active transport B diffusion C respiration D transpiration

1 marks

Answer: B

This question in 0970/22 Oct/Nov 2018

12 The diagram shows the structure of cells from the leaf of a plant. What type of cells are they? A epidermal cells B guard cells C palisade cells D spongy cells

1 marks

Answer: A

This question in 0970/22 Oct/Nov 2018

12 The diagram shows a cross-section of a leaf as seen under a microscope. Which structure is a palisade mesophyll cell? A B C D

1 marks

Answer: B

This question in 0970/21 May/June 2019

11 The diagram shows a leaf as seen in cross-section under the microscope. 1 2 3 What are tissues 1, 2 and 3? 1 2 3 A epidermis palisade mesophyll spongy mesophyll B epidermis spongy mesophyll palisade mesophyll C palisade mesophyll epidermis spongy mesophyll D spongy mesophyll palisade mesophyll epidermis

1 marks

Answer: A

This question in 0970/22 Oct/Nov 2019

15 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 0970/22 Oct/Nov 2020

13 A plant with striped leaves was kept in bright light for six hours. white stripe green stripe A leaf was taken from the plant and the chlorophyll was removed. The leaf was then tested for starch using iodine solution. Which diagram shows the result of the test? A B C D yellow-brown white blue-black yellow-brown blue-black blue-black green green

1 marks

Answer: A

This question in 0970/21 May/June 2021

13 The diagram shows the surface view of part of the epidermis of a leaf. How many guard cells are present? A 0 B 3 C 6 D 12

1 marks

Answer: C

This question in 0970/22 Oct/Nov 2021

4 The diagram shows a cross-section through a leaf. Which label shows a tissue? B A C D

1 marks

Answer: C

This question in 0970/21 May/June 2022

12 How do the air spaces in the spongy mesophyll of a leaf help to adapt it for photosynthesis? A They act as a store of oxygen. B They allow carbon dioxide gas to diffuse through the leaf more rapidly. C They increase the surface area for absorption of light energy. D They let rainwater enter the leaf tissues.

1 marks

Answer: B

This question in 0970/21 May/June 2022

16 The diagram shows a cross-section through a leaf. From which cell will most water evaporate during transpiration? A B C D

1 marks

Answer: D

This question in 0970/21 May/June 2022

33 Which feature is a leaf adaptation for a xerophyte? A hair-like structures on the leaves B large surface area C many stomata D thin waxy cuticle

1 marks

Answer: A

This question in 0970/22 Oct/Nov 2022

34 Which feature is a leaf adaptation for living in a hot, dry desert? A hairy B large surface area C many stomata D thin waxy cuticle

1 marks

Answer: A

This question in 0970/22 May/June 2023

16 From which part of a leaf does most water evaporate during transpiration? A the cuticle B the guard cells C the spongy mesophyll cells D the xylem vessels

1 marks

Answer: C

This question in 0970/22 Oct/Nov 2023

11 The diagram shows a section through the leaf of a flowering plant. 1 2 3 4 Where does photosynthesis take place? A 1 and 2 B 1 and 4 C 2 and 3 D 3 and 4

1 marks

Answer: B

This question in 0970/21 May/June 2024

12 The diagram shows a type of plant cell. cytoplasm vacuole nucleus chloroplast In which tissue is this cell found? A leaf epidermis B palisade mesophyll C root epidermis D xylem

1 marks

Answer: B

This question in 0970/22 Oct/Nov 2024

8 Which descriptions of adaptations for photosynthesis are correct for spongy mesophyll tissue? air spaces for long, rectangular efficient gas cells to absorb exchange light A yes yes B yes no C no yes D no no

1 marks

Answer: B

This question in 0970/21 May/June 2025

32 The table shows some features of leaves. Which leaf is adapted to survive in hot, dry habitats? number of thickness of surface area stomata waxy cuticle of leaf A many thick small B many thin large C few thick small D few thin large

1 marks

Answer: C

This question in 0970/21 May/June 2025

10 The diagram shows a cross-section of part of a leaf. X What is the cell labelled X? A epidermis B guard cell C palisade mesophyll D spongy mesophyll

1 marks

Answer: C

This question in 0970/22 May/June 2025

34 What are features of hydrophytes which have leaves that float? A long root system B many stomata on upper surface of leaves C hairy leaves D small air spaces in the spongy mesophyll

1 marks

Answer: B

This question in 0970/22 Oct/Nov 2025