Answers to questions in the chapters of IGCSE and GCSE Biology by D G Mackean, for the use of teachers and students
Biology GCSE & IGCSE Question Bank, with Exercises and DiscussionsQuestions. Most of the questions are for self-assessment. The information can be found in the pages of GCSE Biology and IGCSE Biology. Sections 1-5 correspond to the sections in GCSE Biology and IGCSE Biology. Sections 6 and 7...
BiologyGCSE(B2)Questions QuestionAnswer 1DescribethestructureofDNAAdoublehelixwiththetwostrands linkedbyaseriesofpairedbases; ‘twistedladder’ 2Howdothebasespairup?AdeninewithThymine,andGuaninewith Cytosine 3Genescontainthecodeformaking what? Proteins 4Nameausefulproteinthatcanbe producedbytransferringthe...
2.15 Understand the factors that affect the rate of movement of substances into and out of cells to include the effects of surface area to volume ratio, temperature and concentration gradient - Video 2.16 Describe simple experiments on diffusion and osmosis using living and non-living systems.- Vi...
The GCSE Biology App This app helps you revise and monitor your progress for the GCSE biology examination. The app contain 1500+ questions from all topics and sub topics which are covered in the official course. 1. Cell Biology -Cell Division -Cell Structure -Transport in Cells 2. Organisatio...
Practice questions for this set Learn 1 / 7 Study using Learn checks for mutations- cell doubles- split to form daughter cells Select the correct term 1 which type of cell does not have a nucleus? 2 how does cell division work? 3 What does the thyroid control? 4 Which organ produces bi...
GCSE iGCSE KS3 IB Sign In IB Biology Questions 2025Self-marking revision quizzesAll of our questions are written by experienced IBDP teachers and closely match typical questions on recent papers. Unlike many other revision sites, we do not employ graduate students without teaching experience.Micro...
GCSE Biology for CCEA Unit 1 1 Cells 2 Photosynthesis and Plants 3 Nutrition and Health 4 Digestion and Enzymes 5 Breathing and the Respiratory System 6 The Nervous System and Hormones 7 Ecological Relationships and Energy Flow Unit 2 8 Osmosis and Plant Tran... N James 被引量: 0发表: 201...
(life is too short) but my hunch is that questions on these topics have been over-represented in the past few years. This first blog post on air pollution is just going to summarise the consequences of pollution of the atmosphere by one gas –sulphur dioxide.I apologise but I cannot ...
Use the information in the passage and your own knowledge to answer the questions that follow. Lactation 1 Mammary glands are like sweat glands. In some mammals, such as the platypus, the milk simply oozes from the skin in the same way as sweat. Other mammals have teats, and ...