2.1· 47 questions · 47 marks · 56 min · 2018–2025· Multiple choice
Every Cambridge IGCSE Biology (9-1) Paper 1 question on cell structure, laid out as 14 A4 pages with the mark scheme below. Nothing is left out. Free to read, no account.


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14 / 14Answers below. Sit the paper first if you are practising.
Pastlit
Biology (9-1) 0970 · Cell structure — Paper 1
IGCSE · topical answer key — answer key (teacher use)
Question
Answer
Marks
| Question | Answer | Marks | From |
|---|---|---|---|
| 1 | B | 1 | 0970/11 May/June 2018 |
| 2 | B | 1 | 0970/12 Oct/Nov 2018 |
| 3 | B | 1 | 0970/12 Oct/Nov 2018 |
| 4 | B | 1 | 0970/11 May/June 2019 |
| 5 | B | 1 | 0970/11 May/June 2019 |
| 6 | C | 1 | 0970/12 Oct/Nov 2019 |
| 7 | A | 1 | 0970/12 Oct/Nov 2019 |
| 8 | D | 1 | 0970/11 May/June 2020 |
| 9 | D | 1 | 0970/11 May/June 2020 |
| 10 | A | 1 | 0970/11 May/June 2020 |
| 11 | A | 1 | 0970/12 May/June 2020 |
| 12 | B | 1 | 0970/12 May/June 2020 |
| 13 | A | 1 | 0970/12 May/June 2020 |
| 14 | D | 1 | 0970/12 May/June 2020 |
| 15 | B | 1 | 0970/12 Oct/Nov 2020 |
| 16 | D | 1 | 0970/12 Oct/Nov 2020 |
| 17 | D | 1 | 0970/12 Oct/Nov 2020 |
| 18 | C | 1 | 0970/11 May/June 2021 |
| 19 | C | 1 | 0970/11 May/June 2021 |
| 20 | B | 1 | 0970/11 May/June 2021 |
| 21 | B | 1 | 0970/12 Oct/Nov 2021 |
| 22 | C | 1 | 0970/12 Oct/Nov 2021 |
| 23 | C | 1 | 0970/12 Oct/Nov 2021 |
| 24 | A | 1 | 0970/11 May/June 2022 |
| 25 | C | 1 | 0970/11 May/June 2022 |
| 26 | B | 1 | 0970/11 May/June 2022 |
| 27 | A | 1 | 0970/12 May/June 2022 |
| 28 | C | 1 | 0970/12 May/June 2022 |
| 29 | B | 1 | 0970/12 May/June 2022 |
| 30 | B | 1 | 0970/12 Oct/Nov 2022 |
| 31 | B | 1 | 0970/12 Oct/Nov 2022 |
| 32 | C | 1 | 0970/11 May/June 2023 |
| 33 | C | 1 | 0970/12 May/June 2023 |
| 34 | D | 1 | 0970/12 May/June 2023 |
| 35 | B | 1 | 0970/12 Oct/Nov 2023 |
| 36 | A | 1 | 0970/11 May/June 2024 |
| 37 | A | 1 | 0970/11 May/June 2024 |
| 38 | C | 1 | 0970/11 May/June 2024 |
| 39 | D | 1 | 0970/11 May/June 2024 |
| 40 | A | 1 | 0970/11 May/June 2024 |
| 41 | B | 1 | 0970/12 May/June 2024 |
| 42 | C | 1 | 0970/12 May/June 2024 |
| 43 | D | 1 | 0970/12 Oct/Nov 2024 |
| 44 | A | 1 | 0970/12 Oct/Nov 2024 |
| 45 | B | 1 | 0970/11 May/June 2025 |
| 46 | D | 1 | 0970/12 May/June 2025 |
| 47 | B | 1 | 0970/12 Oct/Nov 2025 |
5 The diagram shows a plant cell. In which labelled part of the cell is sugar made? D A cell wall vacuole B chloroplast C nucleus
1 marks
Answer: B
4 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
5 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
4 Which features are possessed by all plant cells? 0 0O WwW D> a cell wall ~ Kw & chloroplasts x < x key J/ = present X = absent
1 marks
Answer: B
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
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
6 At which level of organisation is a root? A organ B organ system C organism D tissue
1 marks
Answer: A
4 The diagram shows two guard cells. Which label shows the cell wall? B A C D
1 marks
Answer: D
5 What is the correct order to describe an increasing level of organisation? A cell → organ → tissue → organ system B tissue → cell → organ → organ system C organ → tissue → cell → organ system D cell → tissue → organ → organ system
1 marks
Answer: D
6 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
4 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
5 What are leaves examples of? A cells B organs C organ systems D tissues
1 marks
Answer: B
6 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
10 The diagram shows a plant cell. In which part of the cell does photosynthesis occur? A B C D
1 marks
Answer: D
3 Some of the structures found in cells are listed: 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
4 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
5 Which type of cell transports oxygen? A ciliated B nerve C palisade mesophyll D red blood
1 marks
Answer: D
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
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
13 The diagram shows a section through the leaf of a plant. Which label shows a palisade mesophyll cell? A B C D
1 marks
Answer: B
4 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
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
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
4 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
5 The diagram shows a cross-section through a leaf. Which label shows a tissue? B A C D
1 marks
Answer: C
8 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
4 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
5 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
8 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
4 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
5 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
4 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
4 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
40 Bacteria are useful for manufacturing products for human use. Which statement explains why they are useful? A Bacteria can be grown without nutrients. B Bacteria do not have a nucleus. C Bacteria infect human cells. D Bacteria reproduce very rapidly.
1 marks
Answer: D
4 Which features are possessed by all plant cells? a cell wall chloroplasts v v key /=yes 0 0O WwW > J x x Jv X=no x x
1 marks
Answer: B
5 The diagram shows a plant cell. Which features show that it is a plant cell? A It has a cell wall and a vacuole. B It has a nucleus and cytoplasm. C It has a nucleus but no chloroplasts. D It has chloroplasts but no vacuole.
1 marks
Answer: A
6 A scientist investigates the effect of two types of antibiotics on bacteria. The table shows the results. type of antibiotic effect on bacteria penicillin cells burst tetracycline stops protein synthesis Which cell structure does each antibiotic affect? A Penicillin affects the cell wall and tetracycline affects the ribosomes. B Penicillin affects the nucleus and tetracycline affects the cytoplasm. C Penicillin affects the ribosomes and tetracycline affects the cell wall. D Penicillin affects the vacuole and tetracycline affects the nucleus.
1 marks
Answer: A
23 The diagrams show four different types of cells. Which cell contains haemoglobin? A B NOT TO SCALE C D
1 marks
Answer: C
33 Which adaptive feature of sperm provides the energy that enables it to swim? A the acrosome B the cell membrane C the flagellum D the mitochondria
1 marks
Answer: D
40 Why are bacteria used in biotechnology? A Bacteria reproduce rapidly. B Bacterial cells contain a nucleus. C Bacterial cells contain cytoplasm. D Bacterial cells do not produce complex molecules.
1 marks
Answer: A
5 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
14 The diagram shows two cells. Which process happens in only one of these cells? A controlling the chemical reactions in the cell B controlling the movement of substances into the cell C making starch inside the cell D using glucose inside the cell
1 marks
Answer: C
5 The diagram shows a plant cell. Which letter indicates the location of the cell membrane? A B C D
1 marks
Answer: D
14 Which carbohydrate is used to make cell walls? A cellulose B glycogen C starch D sucrose
1 marks
Answer: A
5 The diagram shows a plant cell. X What is the function of the part labelled X? A controls what enters and leaves the cell B strength and support C photosynthesis D protein synthesis
1 marks
Answer: B
4 The diagram shows a plant cell. Which letter identifies where photosynthesis occurs in the cell? A B D C
1 marks
Answer: D
4 Which term describes a leaf? A cell B organ C organism D tissue
1 marks
Answer: B