This is a quick test to check the main factual knowledge for this topic. This is from a range of tests that cover the whole syllabus. This test is just for the double award biology. There is another set of tests for separate biology IGCSE The tests are based on the order of the CGP revision guide so it makes them easy to revise for. The answers are included

This is a quick test to check the main factual knowledge for this topic. This is from a range of tests that cover the whole syllabus. This test is just for the double award biology. There is another set of tests for separate biology IGCSE The tests are based on the order of the CGP revision guide so it makes them easy to revise for. The answers are included

This is a quick test to check the main factual knowledge for this topic. This is from a range of tests that cover the whole syllabus. This test is just for the double award biology. There is another set of tests for separate biology IGCSE The tests are based on the order of the CGP revision guide so it makes them easy to revise for. The answers are included

This is a quick test to check the main factual knowledge for this topic. This is from a range of tests that cover the whole syllabus. This test is just for the double award biology. There is another set of tests for separate biology IGCSE The tests are based on the order of the CGP revision guide so it makes them easy to revise for. The answers are included

This is a quick test to check the main factual knowledge for this topic. This is from a range of tests that cover the whole syllabus. This test is just for the double award biology. There is another set of tests for separate biology IGCSE The tests are based on the order of the CGP revision guide so it makes them easy to revise for. The answers are included

This is a quick test to check the main factual knowledge for this topic. This is from a range of tests that cover the whole syllabus. This test is just for the double award biology. There is another set of tests for separate biology IGCSE The tests are based on the order of the CGP revision guide so it makes them easy to revise for. The answers are included

This is a quick test to check the main factual knowledge for this topic. This is from a range of tests that cover the whole syllabus. This test is just for the double award biology. There is another set of tests for separate biology IGCSE The tests are based on the order of the CGP revision guide so it makes them easy to revise for. The answers are included

This is a quick test to check the main factual knowledge for this topic. This is from a range of tests that cover the whole syllabus. This test is just for the double award biology. There is another set of tests for separate biology IGCSE The tests are based on the order of the CGP revision guide so it makes them easy to revise for. The answers are included

This is a quick test to check the main factual knowledge for this topic. This is from a range of tests that cover the whole syllabus. This test is just for the double award biology. There is another set of tests for separate biology IGCSE The tests are based on the order of the CGP revision guide so it makes them easy to revise for. The answers are included

This is a quick test to check the main factual knowledge for this topic. This is from a range of tests that cover the whole syllabus. This test is just for the double award biology. There is another set of tests for separate biology IGCSE The tests are based on the order of the CGP revision guide so it makes them easy to revise for. The answers are included

New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019 This is a PowerPoint presentation for the topic - Section 2d Movement of substances in and out of cells 2.15 Understand the processes of diffusion, osmosis and active transport by which substances move into and out of cells. 2.16 Understand how factors affect the rate of movement of substances into and out of cells, including the effects of surface area to volume ratio, distance, temperature and concentration gradient. 2.17 Practical: investigate diffusion and osmosis using living and non-living systems. The file is fully editable, has plenty of original diagrams and animations along with true false concept check questions at the end of the presentation and an exam style question.

New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019 This is a PowerPoint presentation for the topic - Section 3b Inheritance - Variation and Mutation 3.33 understand that variation within a species can be genetic, environmental, or a combination of both 3.34 understand that mutation is a rare, random change in genetic material that can be inherited 3.35B understand how a change in DNA can affect the phenotype by altering the sequence of amino acids in a protein 3.36B understand how most genetic mutations have no effect on the phenotype, some have a small effect and rarely do they have a significant effect 3.37B understand that the incidence of mutations can be increased by exposure to ionising radiation (for example, gamma rays, x-rays and ultraviolet rays) and some chemical mutagens (for example, chemicals in tobacco) The file is fully editable, has plenty of original diagrams and animations along with true false concept check questions at the end of the presentation and an exam style question.

New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019 This is a PowerPoint presentation for the first topic - Section 1b Variety of Living Things 1.2 Describe the common features shown by eukaryotic organisms: plants, animals, fungi and protoctists. 1.3 Describe the common features shown by prokaryotic organisms such as bacteria. 1.4 Understand the term pathogen and know that pathogens may include fungi, bacteria, protoctists or viruses. The file is fully editable, has plenty of original diagrams and animations along with true false concept check questions at the end of the presentation and an exam style question.

New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019 This is a PowerPoint presentation for the first topic - Section 2b Cell Structure Section 2b Cell Structure 2.2 describe cell structures, including the nucleus, cytoplasm, cell membrane, cell wall, mitochondria, chloroplasts, ribosomes and vacuole 2.3 describe the functions of the nucleus, cytoplasm, cell membrane, cell wall, mitochondria, chloroplasts, ribosomes and vacuole 2.4 know the similarities and differences in the structure of plant and animal cells 2.5B explain the importance of cell differentiation in the development of specialised cells 2.6B understand the advantages and disadvantages of using stem cells in medicine The file is fully editable, has plenty of original diagrams and animations along with true false concept check questions at the end of the presentation and an exam style question.

New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019 This is a PowerPoint presentation for the topic - Section 4d Human influences on the environment 4.12 understand the biological consequences of pollution of air by sulfur dioxide and carbon monoxide 4.13 understand that water vapour, carbon dioxide, nitrous oxide, methane and CFCs are greenhouse gases 4.14 understand how human activities contribute to greenhouse gases 4.15 understand how an increase in greenhouse gases results in an enhanced greenhouse effect and that this may lead to global warming and its consequences 4.16 understand the biological consequences of pollution of water by sewage 4.17 understand the biological consequences of eutrophication caused by leached minerals from fertiliser 4.18B understand the effects of deforestation, including leaching, soil erosion, disturbance of evapotranspiration and the carbon cycle, and the balance of atmospheric gases The file is fully editable, has plenty of original diagrams and animations along with true false concept check questions at the end of the presentation and an exam style question.

New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019 This is a PowerPoint presentation for the topic - Section 4a The organism in the environment 4.1 understand the terms population, community, habitat and ecosystem 4.2 practical: investigate the population size of an organism in two different areas using quadrats 4.3B understand the term biodiversity 4.4B practical: investigate the distribution of organisms in their habitats and measure biodiversity using quadrats 4.5 understand how abiotic and biotic factors affect the population size and distribution oforganisms The file is fully editable, has plenty of original diagrams and animations along with true false concept check questions at the end of the presentation and an exam style question.

New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019 This is a PowerPoint presentation for the topic - Section 2e Nutrition - Humans 2.24 Understand that a balanced diet should include appropriate proportions of carbohydrate, protein, lipid, vitamins, minerals, water and dietary fibre. 2.25 Identify the sources and describe the functions of carbohydrate, protein, lipid (fats and oils), vitamins A, C and D, the mineral ions calcium and iron, water and dietary fibre as components of the diet. 2.26 Understand how energy requirements vary with activity levels, age and pregnancy. 2.27 Describe the structure and function of the human alimentary canal, including the mouth, oesophagus, stomach, small intestine (duodenum and ileum), large intestine (colon and rectum) and pancreas. 2.28 Understand how food is moved through the gut by peristalsis. 2.29 Understand the role of digestive enzymes, including the digestion of starch to glucose by amylase and maltase, the digestion of proteins to amino acids by proteases and the digestion of lipids to fatty acids and glycerol by lipases. 2.30 Understand that bile is produced by the liver and stored in the gall bladder. 2.31 Understand the role of bile in neutralising stomach acid and emulsifying lipids. 2.32 Understand how the small intestine is adapted for absorption, including the structure of a villus. 2.33B Practical: investigate the energy content in a food sample. The file is fully editable, has plenty of original diagrams and animations along with true false concept check questions at the end of the presentation and an exam style question.

New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019 This is a PowerPoint presentation for the topic - Section 3b Inheritance - DNA and Genes 3.14 understand that the genome is the entire DNA of an organism and that a gene is a section of a molecule of DNA that codes for a specific protein 3.15 understand that the nucleus of a cell contains chromosomes on which genes are located 3.16B describe a DNA molecule as two strands coiled to form a double helix, the strands being linked by a series of paired bases: adenine (A) with thymine (T), and cytosine © with guanine (G) 3.17B understand that an RNA molecule is single stranded and contains uracil (U) instead of thymine (T) 3.18B describe the stages of protein synthesis including transcription andtranslation, including the role of mRNA, ribosomes, tRNA, codons and anticodons The file is fully editable, has plenty of original diagrams and animations along with true false concept check questions at the end of the presentation and an exam style question.

New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019 This is a PowerPoint presentation for the topic - Section 3b Inheritance - Genetics 3.19 understand how genes exist in alternative forms called alleles which give rise to differences in inherited characteristics 3.20 understand the meaning of the terms: dominant, recessive, homozygous, heterozygous, phenotype, and genotype 3.21B understand the meaning of the term codominance 3.22 understand that most phenotypic features are the result of polygenic inheritance rather than single genes 3.23 describe patterns of monohybrid inheritance using a genetic diagram 3.24 understand how to interpret family pedigrees 3.25 predict probabilities of outcomes from monohybrid crosses 3.26 understand how the sex of a person is controlled by one pair of chromosomes, XX in a female and XY in a male 3.27 describe the determination of the sex of offspring at fertilisation, using a genetic diagram The file is fully editable, has plenty of original diagrams and animations along with true false concept check questions at the end of the presentation and an exam style question.

New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019 This is a PowerPoint presentation for the topic - 2h Transport - Humans 2.59 Describe the composition of the blood: red blood cells, white blood cells, platelets and plasma. 2.60 Understand the role of plasma in the transport of carbon dioxide, digested food, urea, hormones and heat energy. 2.61 Understand how adaptations of red blood cells make them suitable for the transport of oxygen, including shape, the absence of a nucleus and the presence of haemoglobin. 2.62 Understand how the immune system responds to disease using white blood cells, illustrated by phagocytes ingesting pathogens and lymphocytes releasing antibodies specific to the pathogen. 2.63B Understand how vaccination results in the manufacture of memory cells, which enable future antibody production to the pathogen to occur sooner, faster and in greater quantity. 2.64B Understand how platelets are involved in blood clotting, which prevents blood loss and the entry of micro-organisms. 2.65 Describe the structure of the heart and how it functions. 2.66 Explain how the heart rate changes during exercise and under the influence of adrenaline. 2.67 Understand how factors may increase the risk of developing coronary heart disease. 2.68 Understand how the structure of arteries, veins and capillaries relate to their function. 2.69 Understand the general structure of the circulation system, including the blood vessels to and from the heart and lungs, liver and kidneys. The file is fully editable, has plenty of original diagrams and animations along with true false concept check questions at the end of the presentation and an exam style question.