biology ia ideas bacteria

If some abiotic factors can also be recorded including the pollution level, eg nitrate level, BOD, turbidity etc. Pour the bacteria onto the solidified agar plate. There are some quite nice online tests of colour vision, and also many telephone apps. Soil respiration can be measured using a CO2 probe and a data logger the same equipment could be used to measure the rate of photosynthesis, although growth (or photosynthesis) can be measured in other ways too. Plant project studies allow us to learn about plant biology and potential usage for plants in other fields such as medicine, agriculture, and biotechnology. Does the behaviour of an animal change as the population increases? When it comes to selecting from several IB Biology IA ideas for your investigation, it is essential to note that your IA would either require you to: Carry out an experimental investigation in the laboratory or Draw interpretation from a credible database or Make a detailed analysis using a simulation/modeling. 13, Comparative study between 5 different species of animals using BLAST analysis to determine evolutionary history. Observe how changing the colour of the light source impacts the success of phototropism! The effect of techniques used to preserve milk on its ability to support the growth of probiotic bacteria. We know that our topic has to be somewhat related to the syllabus, but where should we focus? Experimental Setup: Focus on how leaves in different conditions vary in their stomatal density. Experimental setup:In this ecological experiment, you will use quadrat sampling to test how successfully different plant species grow in environments. Experimental setup: For this experiment, combine a fixed mass of yeast with increasing concentrations of a sucrose solution and measure the rate of CO2 production! It may even be possible to find a database of measurements of children of different ages. Profile. Koreans eat kimchi year round, enjoying its spicy taste and the fact that it contains loads of vitamins B and C. In this cooking and food science fair project, you will make kimchi from scratch and investigate changes in pH and glucose as the kimchi ferments. 30 Biology IA topic ideas to get your lab report started! You certainly dont want to miss out on these! What has inspired you to do that topic? Student work is internally assessed by the teacher and externally moderated by the IB. Investigating how the concentration of RuBisCo in the leaves of a plant species varies with varied exposure to sunlight. The focus is on the parts of the cell and the interaction of the cytoplasm and the membrane as the topic ideas below show: The Pros And Cons Of The Cytoskeleton System Through The Lens Of Cell Motility. Lost your password? Stir these together well: -teaspoon agar (1 1/5 grams) These are just some of the questions which will need answering. 1: Cell Biology 1.1: Introduction to Cells 1.2: Ultrastructure of Cells 1.3: Membrane Structure 1.4: Membrane Transport 1.5: The Origin of Cells 1.6: Cell Division 2: Molecular Biology 2.1: Molecules to Metabolism 2.2: Water 2.3: Carbohydrates and Lipids 2.4: Proteins 2.5: Enzymes 2.6: DNA and RNA 2.7: DNA Replication, Transcription and Translation It is thought that there may be some aggressive behaviour depending on the qualities of the sportsman, trainer's tactics, and sports fan and media pressure. Here is a list of top 22 Biology Internal Assessment (IA) ideas: IB ++tutors is a Canadian company that is committed to providing global, high-quality IB private tutoring services by IB expert tutors. Change the different conditions in which the plants are found as well as the species. it might even be possible to use mesocosms to perform this investigation as these would make it easier to control more of the other variables. Choosing the perfect IB Biology IA idea is only the first step in making ones IB Biology Investigation, but definitely, the most significant. Internal Assessments are the perfect way to get students to put their knowledge to use by Observing, Questioning, and Investigating. The bacterial component shows more variation, including representation from Acetobacter and Gluconacetobacterto turn ethanol into acetic acid (giving the sour, vinegar flavor)as well as Lactobacilluslactic acid-producing bacteriain some instances. Experimental Setup:Grow germinating seed in environments with different types of diluted antibiotics, see how many succeed in each environment. Compost is made from dead plants and manure is the waste from animals. Selecting an IBxq Biology IA idea has never been easier! 7, How do the respiration rates of bakers yeast and wine yeast in various sugar solutions compare? Copyright 2023 Nail IB. Citing documents/web pages and giving references is another important aspect of your IA that needs to be taken care of. Processes such as diffusion and osmosis as well as the effect of chemicals on components of cell membranes, or on enzymes could be included in the theory. Interactions of Bacteria and Fungi on Decomposing Litter Biology . There are biology topics that can be connected to culture, music, language, and the like. Still feeling a bit uneasy about the task ahead? Different plants will change their transpiration rates in response to the environment. (Write your IA title!) This sounds like an easy investigation but it is tricky because first there needs to be some biological reason why the heart should speed up in the presence of music and this is impossible to explain with IB Biology. Of course the underlying processes are controlled by enzymes, or the fruit ripening hormone ether. Lawrence Kok Sofia, Pancharevo, Bulgaria IB Science Teacher at Anglo American School of Sofia, AAS. The individual. In some other cases E. coli can also cause urinary tract infections. This is a standard lab and the challenge will be to ensure that it is put into an interesting biological context. which are specifically designed for self study and revision. Your Ultimate Guide for Acing IB Psychology Paper 2, The Perfect Guide to Earn a 7 in your IB Psychology IA, The A to Z Guide for Structuring your TOK Essay for Optimal Success, 7 Different Ways to Make the Most of your IB DP Y1 Winter/Summer Break, How to Stay Sane: A Promising Guide to Stress Management in the IB DP. An important thing to note here is that although you are allowed to take inspiration from existing research, papers/journals, you are expected to give a novel perspective to the idea while producing it in your investigation. The procedure used should be well structured. The sure shot way to ace ones IB Biology IA or any IA for that matter is by picking a topic that sparks ones interest. 6, How does sudden change in body position affect heart rate and baroreceptor feedback? If you continue to use this site we will assume that you are happy with it. Still feeling a bit uneasy about the task ahead? There may be a combination of roles for plant roots and bacteria in the substrate and both of these link to the nitrogen cycle and so would allow for a detailed hypothesis and a focused research question. Investigate the influence of Ph levels in the soil on the development of the Lepidium avitum 2) How does the concentration of potassium chloride affect the growth of Lepidium savitum. I'll start first; for my HL Biology IA, I Investigated the effect of varying wavelengths of light on the growth of bacteria; and ended up getting a 21/24 which is equal to a 7 :) It is important that you do the work yourself and not just copy the material. Want some A-quality guidance? Starting at deep purple, and ending at far red, write down the A values. the Can temperature, humidity, or exposure to sunlight affect how quickly vegetables decay? Auxin hormone is largely responsible for controlling the direction of plant growth. The following examples are not unethical, but just not very good, because the data is rarely enough for a good analysis and difficult to control. Some plants grow well in coastal soils with igh salt concentrations but others don't. 4, How does varying the gel concentrations of agarose affect DNA migration through a gel? This was my Biology HL IA which was given a 21/24 by the IB. This is an interesting study and it links to the role of auxin as well as photosynthesis so there is theory to discuss. Bacteria are single-celled microorganisms with prokaryotic cells, which are single cells that do not have organelles or a true nucleus and are less complex than eukaryotic cells. The will (hopefully) impact the success of germination. We are available: Mon-Fri 9am-7pm CESTSat 10-5pm CESTSun 12-5pm CEST. Using paper chromatography to analyse the various dyes present in different brands of jelly candy. One possible solution is to measure another (or some other) factors about the body and look for a correlation. test HL - mark scheme, Animal physiology - test HL - mark scheme, Topic 2 - Molecular biology revision activities, Topic 3 - Genetics SL revision activities, Topic 5 - Evolution SL revision activities, Topic 6 - human physiology SL revision activities, Topic 7 - Nucleic acids HL revision activities, Topic 8 - Metabolism HL revision activities, Topic 9 - Plant biology HL revision activities, Topic 10 - Genetics HL Revision activities, Topic 11 - Physiology HL Revision activities, Option A - Neurobiology - Revision activities, Option D - Human Physiology Revision activities, Membrane structure & function quiz 1.3 & 1.4, DNA replication, transcription, translation quiz 2.7, Evolution - natural selection quiz 5.1 & 5.2, Humans - digestion and absorption workout, IA investigation - teachers marks summary, Extended Essay titles and research questions, Extended essay - self review quiz for students, EE supervisor roles - during the writing process, EE supervisor roles - feedback on a draft. This is a list of possible sites for students to use as online labs. Controlling other factors which affect germination and collecting a large enough data set will also be good challenges for a Biology student to work out. disinfectant, rum, vodka, etc.). One idea would be to make a series of soils using active compost and sand. Therefore, 5 trials with 5 samples each make up 25 samples in total. IB Acronym Glossary - Please help IB Community :) If youre looking for guidance on how to actually write an IA once youve chosen your topic, check out our IA Checklist post! What effect do conditions, such as temperature, sunlight have on the rate of spoilage. Remember! About us Studying how different carbohydrates in edibles impact the blood sugar levels in humans. What brand of laundry detergent is the most effective in the digestion and removal of lipid stains?

Washington, Dc Restaurants In The 1980s, Dwight Schrute Mussolini Speech Transcript, Lund Sport Track Accessories Catalog, Lasik Corneal Thickness Calculator, Oliver Hammond Halle Reum, Articles B