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

5 In which part of the cell does aerobic respiration occur? A cytoplasm B mitochondrion C ribosome D vesicle

1 marks

Answer: B

This question in 0970/21 May/June 2018

6 Why do some root cells have root hairs? A for the maintenance of the temperature of the cell sap B to increase the surface area of the cells C to increase the volume of the cell sap D to provide a place for cell nuclei

1 marks

Answer: B

This question in 0970/21 May/June 2018

30 What is a function of the mitochondria in a sperm cell? A penetrating the surface of the egg cell B propelling the sperm towards the egg C storing food energy D supplying the energy for movement

1 marks

Answer: D

This question in 0970/21 May/June 2018

37 The diagram shows the structure of a bacterial cell. DNA X The presence of structure X in the bacterial cell is one reason why bacteria are used in genetic engineering. What is structure X? A endoplasmic reticulum B mitochondria C plasmid D ribosome

1 marks

Answer: C

This question in 0970/21 May/June 2018

3 Two types of cell, one animal and one plant, were examined using a light microscope. Which row shows the correct combination of cellular features that would be observed in the cells? cell structure observed animal cell plant cell A chloroplast membrane vacuole cytoplasm B cytoplasm nucleus chloroplast membrane C membrane cell wall cytoplasm nucleus D nucleus chloroplast cell wall membrane

1 marks

Answer: B

This question in 0970/22 Oct/Nov 2018

4 The diagram shows part of a leaf in cross-section. X Y Structures X and Y are both part of the same A cell. B organ. C tissue. D vessel.

1 marks

Answer: B

This question in 0970/22 Oct/Nov 2018

15 The diagram shows a plant cell. What type of plant cell is this? A guard cell B mesophyll cell C root cortex cell D root hair cell

1 marks

Answer: D

This question in 0970/22 Oct/Nov 2018

3 The photomicrograph shows part of an animal cell. X What is the structure labelled X? A chloroplast B mitochondrion C ribosome D vacuole

1 marks

Answer: B

This question in 0970/21 May/June 2019

4 Which features are possessed by all plant cells? a cell wall chloroplasts A J Jv B Jv x Cc x v D x x key J/ = present X = absent

1 marks

Answer: B

This question in 0970/21 May/June 2019

5 The diagram shows part of the skin. What is the correct level of organisation for the skin? A cell B organ C organ system D tissue

1 marks

Answer: B

This question in 0970/21 May/June 2019

3 Heart muscle cells have a high rate of metabolism. Which structure do they require to be present in high numbers? A chloroplasts B mitochondria C cell walls D vacuoles

1 marks

Answer: B

This question in 0970/22 May/June 2019

4 Which features are possessed by all plant cells? a cell wall chloroplasts A J Jv B Jv x Cc x v D x x key J/ = present X = absent

1 marks

Answer: B

This question in 0970/22 May/June 2019

4 Which features do animal cells share with plant cells? chloroplast cytoplasm nucleus A Jv J J key B Jv x J J/ =yes Cc x v v X =no D x x x

1 marks

Answer: C

This question in 0970/22 Oct/Nov 2019

3 The diagram shows two guard cells. Which label shows the cell wall? B A C D

1 marks

Answer: D

This question in 0970/21 May/June 2020

4 The diagrams show different levels of organisation in a plant. (Not drawn to scale.) 1 2 3 4 Which sequence shows the levels of organisation in order from smallest to largest? A 4 → 2 → 3 → 1 B 4 → 3 → 1 → 2 C 3 → 4 → 2 → 1 D 3 → 2 → 1 → 4

1 marks

Answer: A

This question in 0970/21 May/June 2020

5 Which diagram shows the appearance of a plant cell several minutes after it has been placed in a concentrated solution of sugar? A B C D

1 marks

Answer: A

This question in 0970/21 May/June 2020

15 The graph shows the rate of uptake of magnesium ions by two similar plants, X and Y. The roots of each plant were placed in a range of solutions. Each solution contained a different concentration of magnesium ions. All other conditions were kept constant. plant X rate of uptake of ions plant Y concentration of magnesium ions in external solution What is a possible explanation for the difference in the results for the two plants? A Plant Y has fewer protein molecules for magnesium ion transport in its cell membranes. B Plant Y has a higher rate of respiration. C Plant Y has more root hair cells. D The root hair cells in plant Y have a lower water potential.

1 marks

Answer: A

This question in 0970/21 May/June 2020

29 The diagram shows a sperm cell. Which part contains enzymes that digest the jelly coat of an egg cell? A B C D

1 marks

Answer: D

This question in 0970/21 May/June 2020

3 The diagram shows a plant cell. A biologist wants to find out the number of chromosomes it contains. Which labelled part should be examined more closely? B C A D

1 marks

Answer: A

This question in 0970/22 May/June 2020

4 The diagram shows a human liver cell. M The length of structure M on the diagram is 6 mm. The magnification of the diagram is x 2000. What is the actual length of M? A 0.03 µm B 3 µm C 333 µm D 12 000 mm

1 marks

Answer: B

This question in 0970/22 May/June 2020

5 Which diagram shows the appearance of a plant cell several minutes after it has been placed in a concentrated solution of sugar? A B C D

1 marks

Answer: A

This question in 0970/22 May/June 2020

12 The diagram shows a plant cell. In which part of the cell does photosynthesis occur? A B C D

1 marks

Answer: D

This question in 0970/22 May/June 2020

3 The photomicrograph shows a cell from a type of aquatic plant. S R Q P Which parts labelled on the photomicrograph indicate that this is a plant cell? A P and R B P and S C Q and R D Q and S

1 marks

Answer: D

This question in 0970/22 Oct/Nov 2020

4 The diagram shows a single-celled organism called Euglena. cytoplasm cell membrane nucleus large permanent vacuole chloroplasts Which labelled structures would also be found in an animal cell? A cell membrane, chloroplast, nucleus B chloroplast, cytoplasm, nucleus C cell membrane, cytoplasm, nucleus D cell membrane, cytoplasm, large permanent vacuole

1 marks

Answer: C

This question in 0970/21 May/June 2021

5 The diagram shows some of the blood vessels and other structures in the human body. The blood vessels shown are all parts of the same A cell. B organ. C organ system. D tissue.

1 marks

Answer: C

This question in 0970/21 May/June 2021

4 Which part of a cell makes glucose? A cell membrane B chloroplast C nucleus D vacuole

1 marks

Answer: B

This question in 0970/22 May/June 2021

5 The diagram shows some of the blood vessels and other structures in the human body. The blood vessels shown are all parts of the same A cell. B organ. C organ system. D tissue.

1 marks

Answer: C

This question in 0970/22 May/June 2021

3 The diagram shows some tissues in part of a plant root. The arrows represent the movement of water into and across the plant root tissues. How many different tissues are shown? A 2 B 4 C 5 D 7

1 marks

Answer: B

This question in 0970/22 Oct/Nov 2021

5 The diagram shows some cells. cilia cytoplasm nucleus Where are these cells found? A alimentary canal B blood C bronchus D plant roots

1 marks

Answer: C

This question in 0970/22 Oct/Nov 2021

37 What is a characteristic of bacteria that makes them useful in genetic engineering? A The genetic code of bacteria is different to plants and animals. B Their nucleus contains DNA. C Plasmids can be transferred between cells. D They have large numbers of mitochondria.

1 marks

Answer: C

This question in 0970/22 Oct/Nov 2021

3 The diagram shows a cross-section through two guard cells of a leaf. W X Y Z Which labelled structures would also be found in an animal cell? A W and X B X and Y C Y and Z D Z and W

1 marks

Answer: A

This question in 0970/21 May/June 2022

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

6 The diagram shows a section through a mesophyll cell of a leaf. Which part is partially permeable? A B C D

1 marks

Answer: B

This question in 0970/21 May/June 2022

3 The diagram shows a cross-section through two guard cells of a leaf. W X Y Z Which labelled structures would also be found in an animal cell? A W and X B X and Y C Y and Z D Z and W

1 marks

Answer: A

This question in 0970/22 May/June 2022

4 The table shows some structures found in the human body. Which row shows the correct level of organisation, from the simplest structure to the most complex? simple complex A red blood cell heart heart muscle circulatory system B heart muscle circulatory system red blood cell heart C red blood cell heart muscle heart circulatory system D heart muscle red blood cell circulatory system heart

1 marks

Answer: C

This question in 0970/22 May/June 2022

6 The diagram shows a section through a mesophyll cell of a leaf. Which part is partially permeable? A B C D

1 marks

Answer: B

This question in 0970/22 May/June 2022

3 Root hair cells are found on plant roots. Which feature is present in a root hair cell but not in a sperm cell? A cell membrane B cell wall C chloroplasts D cytoplasm

1 marks

Answer: B

This question in 0970/22 Oct/Nov 2022

4 The cells listed have specialised structures that allow them to carry out their functions. 1 ciliated cell 2 nerve cell 3 root cortex cell 4 sperm cell Which cells have structures that can move? A 1 and 2 B 1 and 4 C 2 and 3 D 3 and 4

1 marks

Answer: B

This question in 0970/22 Oct/Nov 2022

32 The diagram shows the unspecialised cells of a mammalian embryo soon after fertilisation. What is the correct description of these cells? A embryo cells undergoing meiosis B gametes undergoing mitosis C stem cells undergoing mitosis D zygote undergoing meiosis

1 marks

Answer: C

This question in 0970/22 Oct/Nov 2022

3 Which row shows structures that are present in both root hair cells and palisade mesophyll cells? cell wall chloroplasts | cytoplasm vacuole v v v x key / = present x J J J Jv x Jv Jv X = absent J J x J 0 0O WwW >

1 marks

Answer: C

This question in 0970/21 May/June 2023

39 The diagram shows a bacterial cell. Which part is useful in genetic modification? B C A D

1 marks

Answer: D

This question in 0970/21 May/June 2023

3 Which structures are found in the cells of all living organisms? 1 cell membrane 2 chloroplast 3 cytoplasm A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only

1 marks

Answer: C

This question in 0970/22 May/June 2023

4 Which features are possessed by all plant cells? a cell wall chloroplasts A Jv J key B /=yes Cc X=no D «xX x \ x

1 marks

Answer: B

This question in 0970/22 Oct/Nov 2023

3 The list shows some of the structures contained in cells. • cytoplasm • cell membrane • cell wall • chloroplast How many of these structures are found in the cells of all living organisms? A 1 B 2 C 3 D 4

1 marks

Answer: B

This question in 0970/21 May/June 2024

4 What is the function of mitochondria in cells? A to absorb light energy B to produce glucose C to release energy D to transport oxygen

1 marks

Answer: C

This question in 0970/22 Oct/Nov 2024

5 Which row shows a function of the cell membrane and a function of the cell wall in a palisade cell? cell membrane cell wall A active transport active transport B active transport support C support active transport D support support

1 marks

Answer: B

This question in 0970/22 Oct/Nov 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

14 Which group of organs belongs to the same organ system? A diaphragm, oesophagus, trachea B heart, liver, lungs C heart, stomach, trachea D oesophagus, intestine, stomach

1 marks

Answer: D

This question in 0970/22 Oct/Nov 2024

39 The diagram shows a bacterial cell that is used in genetic modification. Which labelled structure makes the bacterium useful for genetic modification? A B D C

1 marks

Answer: C

This question in 0970/22 Oct/Nov 2024

3 Which structures are found in both plant and animal cells? A cell walls and cell membranes B nuclei and cell walls C cytoplasm and chloroplasts D cell membranes and nuclei

1 marks

Answer: D

This question in 0970/21 May/June 2025

31 Phagocytes and neurones are two types of specialised cell. Which statements are correct? 1 Phagocytes and neurones express the same genes. 2 Both types of cell have the same genes. 3 Both types of cell only express the genes that make the proteins needed for the cell to function. A 1 and 2 B 1 and 3 C 2 and 3 D 2 only

1 marks

Answer: C

This question in 0970/21 May/June 2025

4 What is a leaf? A a cell B an organ C an organ system D a tissue

1 marks

Answer: B

This question in 0970/22 May/June 2025

3 The diagram shows a plant cell. A biologist wants to find out the number of chromosomes it contains. Which labelled part should be examined more closely? B C A D

1 marks

Answer: A

This question in 0970/22 Oct/Nov 2025

4 Which term describes each structure? structure brain liver neurone A organ organ cell B organ tissue cell C tissue organ tissue D tissue cell organ

1 marks

Answer: A

This question in 0970/22 Oct/Nov 2025

40 The diagram shows a bacterium. Which structure is cut to form sticky ends during genetic modification? A B D C

1 marks

Answer: C

This question in 0970/22 Oct/Nov 2025