IGCSE Biology (0970) — May–June 2024, Paper 22
40 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Which process is carried out by all organisms? A growth B photosynthesis C sexual reproduction D transpiration
Answer this question and get it marked →What is the first part of the scientific name of an organism, using the binomial system? A genus B group C kingdom D species
Answer this question and get it marked →The diagram shows a plant cell with parts labelled: A vacuole, B chloroplast, C nucleus, D cell wall. In which labelled part of the cell is glucose made? A B C D
Answer this question and get it marked →The diagram shows an epidermal cell from an onion plant. The distance between X and Y on the diagram is 60 mm. The actual length of the cell between X and Y is 150 µm. What is the…
Answer this question and get it marked →Some plant cells are placed in distilled water for 1 hour. Which description of the condition of the plant cells after 1 hour is correct? A burst B flaccid C plasmolysed D turgid
Answer this question and get it marked →Diagrams A–D show movement across a partially permeable cell membrane, some requiring energy from respiration and some not. Which diagram represents active transport? A B C D
Answer this question and get it marked →The diagram shows the bases in a section of DNA from one strand only: A−C−T−T−C−A−G−T−C. What is the base sequence on the complementary DNA strand? A G−C−T−T−C−G−A−T−C B…
Answer this question and get it marked →The graph shows the effect of pH on the rate of an enzyme-catalysed reaction (rate against pH 0–10). What explains the effect of pH on the reaction rate? A As the pH increases…
Answer this question and get it marked →Which sentence explains the importance of vascular bundles for photosynthesis? A Vascular bundles transport carbon dioxide to the leaf. B Vascular bundles transport oxygen to the…
Answer this question and get it marked →Which substance is the product of protein digestion? A amino acids B fatty acids C glucose D glycerol
Answer this question and get it marked →Which organ produces amylase? A gall bladder B kidney C oesophagus D pancreas
Answer this question and get it marked →Which substance is absorbed by lacteals in villi? A amino acids B fatty acids C lactic acid D hydrochloric acid
Answer this question and get it marked →The diagram shows part of the alimentary canal with parts labelled A, B, C and D. Where is most water absorbed? A B C D
Answer this question and get it marked →The diagram shows a cross-section of a villus, with surfaces labelled A, B, C and D, a lacteal and a capillary. On which cell surface are microvilli found? A B C D
Answer this question and get it marked →Which feature of xylem vessels provides support to plants? A cells are joined end to end B no cell contents C no cross-walls D lignin present
Answer this question and get it marked →Which change in an environmental factor will increase the rate of transpiration? A decreasing humidity B decreasing light intensity C decreasing temperature D decreasing wind speed
Answer this question and get it marked →Which statement describes translocation? A the movement of amino acids and sucrose from the source to the sink in phloem B the movement of amino acids and sucrose from the source…
Answer this question and get it marked →Which pathway is taken by blood in a fish? A gills → heart → body → gills B body → gills → heart → body C heart → gills → body → heart D heart → body → gills → body
Answer this question and get it marked →Which component of blood produces antibodies? A plasma B platelets C red blood cells D white blood cells
Answer this question and get it marked →The cholera bacterium produces a toxin which affects humans. What is an effect of this toxin on the human body? A the secretion of chloride ions from the blood into the lumen of…
Answer this question and get it marked →These changes occur in the human body during exercise. 1 breathing rate increases 2 the rate of respiration increases 3 nerve impulses sent from the brain to the intercostal…
Answer this question and get it marked →Two molecules of glucose are aerobically respired. How many molecules of water are produced? A 1 B 2 C 6 D 12
Answer this question and get it marked →Which substance has a higher concentration in the renal vein than in the renal artery? A carbon dioxide B glucose C oxygen D urea
Answer this question and get it marked →Where are amino acids deaminated and converted into urea? A bladder B kidneys C liver D pancreas
Answer this question and get it marked →Which process moves neurotransmitters across a synapse? A active transport B diffusion C gravity D osmosis
Answer this question and get it marked →When the blood glucose concentration is low, which hormone is released and which organ releases it? Columns: hormone; organ. A glucagon; liver B glucagon; pancreas C insulin;…
Answer this question and get it marked →A shoot grows towards the direction of light. These statements compare shoot cells on the side in the light with cells on the side in the shade. 1 Cells on the side in the light…
Answer this question and get it marked →Which statement about antibiotics is correct? A Antibiotics are used to treat all transmissible diseases. B Antibiotics are used to treat diseases caused by viruses. C Antibiotic…
Answer this question and get it marked →Fusarium wilt is a fungal disease of bananas that can spread quickly. The table shows the area affected (hectares) over time: 1967 → 0; 1970 → 100; 1976 → 1200; 1983 → 1500; 1999…
Answer this question and get it marked →The diagram shows part of a flower (after pollination and fertilisation). Which processes have taken place? Columns: pollination; fertilisation. A no; no B no; yes C yes; no D…
Answer this question and get it marked →The diagram shows part of a placenta and umbilical cord, with maternal blood, the umbilical vein and umbilical artery, and the direction of blood flow indicated. What is the…
Answer this question and get it marked →The graph shows how the mass of DNA per cell changes before, during and after a nuclear division in a diploid cell. Which row describes the type of nuclear division and the…
Answer this question and get it marked →In a family, the two parents have blood groups A and B and the three children have blood groups B, B and O. What are the genotypes of the parents? A IAIA and IBIB B IAIB and IAIo…
Answer this question and get it marked →Which statement describes a type of variation? A Continuous variation is usually caused by the environment only. B Continuous variation results in a limited range of phenotypes…
Answer this question and get it marked →The photograph shows a water lily plant, which is a hydrophyte. Which statement explains why the stomata are located on the upper surface of the leaf? A to allow carbon dioxide…
Answer this question and get it marked →Which term is used when humans cross individuals with desirable features? A genetic breeding B natural breeding C pure-breeding D selective breeding
Answer this question and get it marked →Diagrams A–D show parts of the nitrogen cycle, each showing nitrogen gas in atmosphere, nitrogen fixation, denitrification and nitrates with arrows in different directions. Which…
Answer this question and get it marked →What is an advantage of growing crops as a large-scale monoculture? A Biodiversity is increased. B Genetic variation is increased. C Water use is increased. D Yield of the crop is…
Answer this question and get it marked →Yeast can produce carbon dioxide and ethanol. What can be made using these products? Columns: carbon dioxide; ethanol. A biofuel; washing powder B washing powder; fruit juice C…
Answer this question and get it marked →Bacteria can be genetically modified to produce a human protein. What is the first step in this process? A insertion of human DNA into bacterial plasmid DNA B insertion of…
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