Before you can grow bacteria, you'll need to prepare sterile culture dishes. Level of passive aggression in individual sportsmen is found higher. Download our 2022 Biology IA Guide (Checklist) to help write the perfect Internal Assessment. Before we dive more in-depth, you might want to check out our, to own your Biology SL papers! How do natural antiseptics (ginger and turmeric) compare with commercial antiseptics in the inhibition of growth of e. coli bacteria? 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How do different kinds of toothpaste compare? Dependent Variable: Rate of Seed Germination. How does cumin and turmeric powder, in comparison to indigestion tablets, affect the rate of neutralization of hydrochloric acid, measured by the difference of change of pH levels in 5 minutes? Read more about it here. The work produced by students is assessed internally by the teacher first, and it is then moderated externally by the IB. Many say that as we get older, our reaction times slow down, see if this is true! | (Write your IA title!) Using a previously characterized and described abdominal model to define the avian immune response to Salmonella intra-abdominal challenge in chickens, we have adapted this technique for the study of chickens' immune response to a Campylobacter intra-abdominal challenge. How does the acidity of different beverages affect the deterioration of tooth enamel? In line with the IB Learner Profile, "Act with integrity and honesty". If you are a student and wish to access these resources, ask your school to subscribe. It is a complex branch of biology that studies the smallest units and the living organisms. [], We all know that scoring superbly on internal assessments is a great way to boost our IB grades. Starting with a process which requires diffusion in living cells will help the topic to be interesting and will show some personal engagement. At lower pH levels of 4.0 - 5.0, lactic acid bacteria can grow and pro- duce lactic acid. 25 Unique Biology IA Ideas Mitosis: Calculate the Mitotic Index in onions and garlic How do different household products affect plant growth Effect of different types of contamination of plants Testing salt tolerance on plants The effect of different variables on fruit and vegetable decay Hereditary effect of Parkinson The five assessment criteria are personal engagement, exploration, analysis, evaluation and communication. Experimental setup:Set up an experiment that measures the ethylene or CO2 levels of fruits over time, and expose different fruits to different independent variables. Nice to see you here. The biological explanation of why blood pressure might change when reading may be tenuous. IBDP Biology InThinkingSubject Sites for teachers & their classes The stages of embryonic development. This would be a challenge and it would require some research before beginning. If a person exercises regularly they should have a better level of fitness, this might mean that their heart rate increases by less in the short burst of exercise than someone who does no regular exercise. Avoid any investigation where you are getting friends to drink Gatorade and measuring some unrelated but easy to measure factor, like pulse rate. To make matters worse, on top of just doing the dreaded maths exam, were also expected to write a Maths IA exploration into a topic of our choice! One possible solution is to measure another (or some other) factors about the body and look for a correlation. Math solutions -. NOTE: These topics are purely meant as inspiration and are not to be chosen blindly. 14, What is the respective change of allele frequency when initial frequencies are manipulated? If youre struggling with the Paper 2 Data Based Questions, we also have a post about that here. This can become interesting because you can test how different conditions affect milks spoilage, Experimental setup:In this experiment, you can compare milk spoilage. CareerBuilder TIP. How does different sodium chloride concentrations affect seed germination in the bougainvillea plant? Use it to spread the bacteria across the surface of the Petri dish while rotating it. The challenge is to explain why there might be a change using biology and then to test it using some type of ecological sampling. The IB IAs are an essential part of ones overall subject performance since they make 20% of the final score. Read more about it here. Selecting an IBxq Biology IA idea has never been easier! IB Biology IA, EE on enzymes kinetics amylase using Visible spectrophotometer EE and IA on enzyme study is safe, easy and doable for IB students Starch digestion using Amylase Source for amylase from bacteria, malt or salivary amylase. One option might be to test the chemicals on small aquatic plants, or germinating seedlings, but there are challenges to overcome here too. We have a team of awesome tutors ready to help you ace the IB. I'll do so in a series of questions that will help you probe deeper into your IA. They cause our teeth to rot, shaping plaque and causing awful breath. Take 10 micro liters of the cultured. Increasing sucrose concentration makes more sugar available for Cell Respiration but it also draws water out of yeast by osmosis, which could kill it. Understanding some basic biology and the processes of plant breeding can help individuals understand GMOs and their safety. (Use egg as imitation of tooth). You can extract your own DNA from your saliva, or you can use any fruit or vegetable you can find at home bananas and strawberries are some of the most popular at science fairs. Experimental setup: In this ecological experiment, you will use quadrat sampling to test how successfully different plant species grow in environments. Using LeafLab - plant physiology/photosynthesis to test the effectiveness of different colours of light on the photosynthesis rate of tomato plants. The practical methods to germinate seeds and select appropriate salt concentrations will present definite challenges but this is an interesting study for students living near the coast, or in places where salt is applied to the roads in winter. . Observe how changing the colour of the light source impacts the success of phototropism! The biological functions of water. Independent Variable: Plant species + humidity/temperature/ light intensity, Dependent Variable: Rate of transpiration. This looks like an interesting topic of study. Independent Variable: Different household cleaning products/increasing concentrations of cleaning product. At Lanterna we have hundreds of tutors who smashed Biology. The climate is different at different altitudes and the growing season begins later at high altitude. Preview 1 out of 13 pages Check out some Physics IA ideas here!11, What is the effect of the salt concentration on germination of different types of seeds? Test how different household cleaning products affect seed germination! These ideas are for you to start exploring and begin! Login length need to be from 3 to 40 characters, Password length need to be from 8 to 40 characters. Stuck for Ideas planning your Biology IA? The procedure used should be well structured. How do cleaning products affect the growth of house plants? Go through several IA ideas to understand what all topics are in sync with the IB Biology curriculum and if something grabs your attention, hold on to it! Studying the effect of enzymes on Cheese production. Click, See State your hypothesis; it is important in the context of your research. Grab ideas, see examples and create own perfect Biology essay and research paper! 1. The external assessment of biology consists of three written papers. Studying how sudden workout affects the heart rate and baroreceptor feedback. IB HL Biology IA Proposal - The effect of lactase on various percentages of milk The digestive - Studocu the effect of lactase on various percentages of milk the digestive enzyme lactase breaks down sugar in milk called lactose, in order to produce glucose. IA is one that has been undertaken with complete zeal and enthusiasm. The use of a transect of transects will be useful for the sampling. . 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. These are just some of the questions which will need answering. terms of service. How does increasing the concentration of Oxytetracycline in mg/L affect root elongation in cm of Citrus limon? Ensuring that there is enough data will also be important as there are likely to be quite a few other factors which will need controlling or considering at least. Every year the examiners' report mentions problematic Investigations, those which are unethical, or standard labs which are not applied to any specific interest. This is a nice wet laboratory project and there are some simple ways to measure the growth of the bacteria but these can be fiddly to work out, and concentrations of bacteria used in inoculations will need working out. This is an interesting quantitative method to estimate glucose concentration. Practical procedures and controls will be the challenge, but data should be easy to record if the seedlings grow. 3. . 3. . 19, What is the difference in the CO2 levels exhaled before and after enduring physical exercise? 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. The effect of techniques used to preserve milk on its ability to support the growth of probiotic bacteria. Heres a link to a scientific article that did something very similar, copy their method. Fear not, we have elite Biology tutors that can assist you through the process IB Maths is a struggle for most people going through their diploma. They are produced in nature by soil bacteria and fungi. Follow the steps here to extract the DNA. Lots of plant ideas in the questions and answers, https://sciencecourseware.org/BiologyLabsOnline/, Mean arterial pressure calculator online -, Sciencelab Chemical data sheets MSDS (Materials Safety data sheets). Click here (amylase) or Click here ( pancreatin amylase) from Carolina. So there we have it! Without further adieu, lets dive headfirst into, (Metabolism, Cell Respiration, Photosynthesis), Want some A-quality guidance? Below is a list of 30+ topic ideas for Biology Internal Assessment: Assessment of the effect of temperature on the vitamin C content of various juices What effect can quick shifts in body posture have on baroreceptor feedback and pulse rate? Clearly state your interest. The analysis of the results and the design of the method is another place where PE can be demonstrated, try to take the standard lab and adapt it so show something which is not 'standard'. Or find the correlation between the height of one's parents and their own height, then make predictions based on your findings. Keep the research question brief and relevant. Posted October 26, 2015. These ideas are meant to give you a little head start along this path; your final IB Biology Investigation idea is your interpretation of one. There needs to be some clear links to the biology of blood pressure and how exercise affects it. There could be some biology theory applied to the plants leaves, or roots. Still feeling a bit uneasy about the task ahead? Comparing boys and girls for example will be impossible, unless the sample size is very large. Reply 7. Experimental Setup: Focus on how leaves in different conditions vary in their stomatal density. To find out more, see our. 20, Testing the effectiveness of different types of toothpaste in inhibiting the growth of different types of bacteria.https://qa.lanterna.com/wp-content/uploads/2019/04/Biology-Revision-Guide-213x300.png, 21, The effect of temperature / light on fruit ripening, 22, Exploring stomatal density in a variety of conditions, 23, Testing the effectiveness of toothpaste types, 24, Investigating the effect of smoke water on the germination and growth of E.pilularis, 25, Exploring the effect of sunlight on biomass, 26, Exploring effect of light levels on the predation of the peppered moth, 27, Investigating the effect of different light intensities on water weeds. are the criteria against which the investigation is assessed. Copyright 2023 Get the grade you deserve. I did one on predator-prey relationships and in the end I modelled two sine graphs. legislation, you have rights in relation to your data. location on shore. Selecting an IBxq Biology IA idea has never been easier! Use a clean, microwave-safe container to mix the agar with water and then boil it. What effect does temperature have on the ripening process of a fruit?. How effective are synthetic antibacterial products compared to natural antibacterial products against the growth of Cut bacterium acnes? You certainly dont want to miss out on these! which are specifically designed for self study and revision. 30 Biology IA topic ideas to get your lab report started! Profile. 17. 1, Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. There are plenty of factors to control which makes this investigation difficult and if there isn't enough data or the controls are not in place this could lead to a low mark after much work.