Antibiotics are used to treat plants for bacteria. To get started, you'll need to make your agar and fill some petri dishes. My IA was on bacteria by the way if you have any questions. using potassium permanganate and heating, from a protocol from Science & plants for schools. Change the different conditions in which the plants are found as well as the species. Math solutions -. NOTE: These topics are purely meant as inspiration and are not to be chosen blindly. Dont worry, weve all been there. Background Information: There are a lot of microscopic organisms and other miniaturized scale creatures living in our mouth. Along with a bundle of Past Papers, these premium SL notes include guides for your Extended Essay and Internal Assessments with helpful examples! Without further adieu, lets dive headfirst into, (Metabolism, Cell Respiration, Photosynthesis), Want some A-quality guidance? This page is a simple list of general biological ideas for investigations. Biology HL IA Idea Proposal - Bacteria vs Fertilizer Course Biology HL Institution Queensland Academy Of Science, Mathematics And Technology This is a detailed proposal for a HL Biology IA complete with a full methodology, research question, and basic Introduction. This is an interesting topic of investigation which relates to osmosis and ecology. It is imperative to acknowledge the safety protocols as established by IB and consider the ethical aspects of your investigation. 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. Download our Guide: How to Write a Perfect Biology IA (Click Here), If youre interested in getting additional support for your Biology IA, we have a team of expert IB Biology tutors that can help you plan, structure and execute your assignment. You have to show that the data has been carefully selected, and that measures have been taken to ensure that other factors which might affect the data have been controlled, by careful selection of the data used. Extract your own DNA. Majority of them are restricted to the intestine Facebook Decomposing bacteria and fungi are organisms that help the process of decomposition. By submitting this form, I agree to the data entered being used by Nail IBNSW for sending 1, Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. This might involve the use of a data logger, or perhaps a titration using bromothymol blue. The bacteria-infected mice were given PPEF, BPVF, levofloxacin, and ciprofloxacin at different doses (10 and 20 mg/kg bw) by dissolving in sterile water as a vehicle at a volume of 0.1 mL using a . with peppered moth types. Studying how sudden workout affects the heart rate and baroreceptor feedback. assessment, worth 20% of the final assessment, consists of one scientific investigation. However, if you are still feeling lost, make sure to look at some of the strategies while choosing a good biology research paper topic. promotional emails that we send to you. Reference to Course: Molecular Biology(Enzymes). 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. Legal Studying how different carbohydrates in edibles impact the blood sugar levels in humans. Pay attention to one that is interesting for you, and that you might have ideas on how to develop the topic on. Independent, Dependent variables need to be highlighted, as should the hypothesis. Therefore, 5 trials with 5 samples each make up 25 samples in total. You. Remember! This is a nice idea for an investigation into the number of species found in a garden in houses where there are pets and no pets. This is a great idea, but it could be complex and time consuming depending on the lab. Ingredients: transparent glass, salt, liquid soap, grapefruit juice, and alcohol (e.g. How does different concentrations of Gibberellic acid affect the germination of a dolly Parton rose? How do halophyte seeds respond to increasing salt concentrations compared to normal seeds? Luckily, theres so many great topics to choose from, and we've asked some of our top team to note down some topics that might inspire your own incredible research! Get your own tutor today! Read more about it here. Experimental setup:Follow this link to find out more about colour blindness and how to investigate it. The distinctive features of human physiology. Sometimes sites go ofline or change their address. The procedure used should be well structured. Measuring the energy content of a packet of Cheetos 30 IB Biology IA Topic Ideas 1. Measuring the change in iron levels of avocados as they go through different ripening stages 25. Halophytes grow in Salty conditions whereas normal plants dont. Lawrence Kok Sofia, Pancharevo, Bulgaria IB Science Teacher at Anglo American School of Sofia, AAS. 4, How does varying the gel concentrations of agarose affect DNA migration through a gel? Posted October 26, 2015. You can find more information here, Independent Variable: Different Antibiotics, Different Seeds, Dependent Variable: Success of Germination, Rate of Germination. The internal assessment requirements are the same for biology, chemistry and physics. Experimental setup:construct a seed germination experiment with different seeds and add increasing solutions of NaCl, observing the impact of increasing salt concentration in different seeds. This is a simple idea, but the explanation is more complex, and this might be the challenge of this particular investigation. The Aim answers Why while the Research Question answers the What. . The performance in internal assessment at both SL and HL is marked against common assessment criteria, with a total mark out of 24. How does the pH level of watering solution affect the growth and development of chickpea (Cicer arietinum) and mung bean (Vigna radiata) over a time period of 5 days indicated by the length of the stem measured? Or find the correlation between the height of one's parents and their own height, then make predictions based on your findings. It is known that you should have at least 25 samples of data for your Biology IA, but let us explain why. Dependent Variable: Degree of growth of plant towards a light source. | Still feeling a bit uneasy about the task ahead? Teens can work to find out why certain plants present certain colors. How do detergents, drinks, yogurt, and milk stack up when it comes to buffering? After use of the cell phone, bacterial contamination of the physicians" hands was found in 38 out of 40 cases.In this experiment of prokaryotes students take samples from their mobiles phones and grow prokaryote colonies on agar plates. But how do we get started on a lab report and, crucially, what should we write about? Remember, the Independent variable is one that you are allowed to change(just one); the Dependent variable is one that you measure as it changes with the Independent variable; all the other experiment conditions must be kept constant to ensure that the experiment is fair. Heres a useful link for ventilation rates. 2. Test the stomatal density of different leaves exposed to variable conditions using a microscope. Natural selection - lab bench Which type of water fleas escape predators best? : Limitations and Improvements should be specified. Pour 250 ml hydrogen peroxide of 3% concentration into the 300 ml glass beaker. Plot this data with A on the Y-Axis and wavelength in nm on the X-axis. An IB Internal Assessment is an individual assignment assessed by a subject teacher following a given set of criteria to guide, construct, and evaluate the finished assignment. Starting at deep purple, and ending at far red, write down the A values. Click here (amylase) or Click here ( pancreatin amylase) from Carolina. For example, an idea inspired by how the soil pH affects seed germination could be investigated in a new light; think of other factors controlling/affecting seed germination, and with a focus on quantitative data, you could progress further in your report. 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! Dependent Variable: Respiration Rate (measure with respirometer or gas probe detecting CO2 formation. Passion is fundamental in research, after all. Bananas lend themselves to this because their skin changes colour. Click here for top-notch IB resources or here to assess how your prep is going! In paper 1 there are 30 (at SL) or 40 (at HL) multiple-choice questions. The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. The work produced by students is assessed internally by the teacher first, and it is then moderated externally by the IB. The five assessment criteria are personal engagement, exploration, analysis, evaluation and communication. They are the foundation of food chains in almost every ecosystem. We are available: Mon-Fri 9am-7pm CESTSat 10-5pm CESTSun 12-5pm CEST. The problem of this investigation is that it is difficult to measure rehydration or salinity. Test how different household cleaning products affect seed germination! Kimchi is a traditional fermented cabbage dish from Korea. The individual investigation should cover a topic that is commensurate with the level of the course of study. Antibiotics. When looking for information, be sure to seek information from institutions and agencies that share science-based, objective results. The role of a warm up in sport is clear. I investigated the change in mitotic index that occurred in onion root tips when they germinated in solutions of differing K+ ion concentration. Controlling factors which can affect blood pressure could be an investigation in itself! If youre struggling with the Paper 2 Data Based Questions, we also have a post about that here. 3. . The evolution of parasites. If the algae is green, then the maxima should be over in . Independent Variables: How temperature affects transmission viral diseases, How different methods of transmission affect rates of spreading, Challenge: Statistical analysis Website with loads of data on infectious disease: http://globalhealthgovernance.org/blog/2017/12/1/how-to-find-data-on-infectious-disease-outbreaks, Use online colour vision tests to see how different factors affect colour blindness. Want some A-quality guidance? To make things as simple as possible for you, we've put together a list of biology research project ideas. 28, How do different antibiotics interact with the process of seed germination? 1678+ Video tutorials, 1226+ PDF IB Resources, 195+ Sample IAs, 148+ EEs, 8777+ Sample questions, 653+ quizzes, IB The IA explored what affect does Enzyme Trypsin has on protein Casein which is contained in milk. Independent Variable: Temperature, Salts, Humidity, Oxygen availability, Dependent Variable: Rate of Decay measured by pH, mass or temperature change. Alcohol is a common active ingredient in many of the commercial mouth washes. The challenge will be in deciding which concentrations to test and in explaining the results. Login length need to be from 3 to 40 characters, Password length need to be from 8 to 40 characters. The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. Practical procedures and controls will be the challenge, but data should be easy to record if the seedlings grow. IB Biology IA Ideas Different abiotic factors affect the growth of different plants, test the different conditions and then note how plant species change in their presence. On 10/25/2014 at 9:58 AM, AndovarEdoras said: On 10/25/2014 at 9:02 AM, mariiia said: you can do something with the rate at which cells/bacteria/etc multiply, which I think is population growth so it would involve natural logarithms and exponential curves at least. Place all 5 of the red apples into the test tubes (1 piece for each test tube). Investigating how the concentration of RuBisCo in the leaves of a plant species varies with varied exposure to sunlight. Investigation of the functioning of the eyes when using paper or different electronic screens. For 5,000 years or more, humans have mixed flour and water, waited for the mixture to ferment, and when it was good and sour and full of gas, used it as leavening to make dough rise. This would be a challenge and it would require some research before beginning. Increasing sucrose concentration makes more sugar available for Cell Respiration but it also draws water out of yeast by osmosis, which could kill it. are the criteria against which the investigation is assessed. Maybe you can suggest that to your teacher? The practice of making sourdough is as ancient as bread itself. . Other possibilities are paper simulations, e.g. Keep the research question brief and relevant. Follow the steps here to extract the DNA. Finding a topic is one of the - if not THE - most important part of writing your IA so we want to make sure that you get it right! Halophytes and Xerophytes have different adaptations to control transpiration rates, how do they each respond to temperature changes? Neither should the idea be too generic and nor too simplistic. Bacterial Growth and Nutrition | Biology Ideas | Microbiology Media June 22, 2021 by Ruturaj Mundhe Culture media and Bacterial Growth Bacterial Growth and Culture media are solid, semisolid, and liquid nutrient preparations employed for the cultivation of microorganisms. There are lots of practical problems to overcome, most importantly how to change the soil so that it has different amounts of respiration. Despite so, there are still some that can cause bloody diarrhea, severe anaemia or kidney failure, all in which can lead to death. Some suggestions of research questions may be; Is there a difference in the composition of photosynthetic pigments in the leaves of a plant found in the sun or the shade? The IB advise student and teachers, each year, to avoid this sort of lab. Originally Answered: what are some examples of good biology IA's? What brand of laundry detergent is the most effective in the digestion and removal of lipid stains? Don't do it! The effect of pets on the diversity of plants in a garden lawn. Understanding how a particular abiotic factor affects the biodiversity in a habitat. 1. SIENE IA UIDE 8 info@lanternaeducation.com 23. 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. Learn everything you need to get a 7 in your IB subjects with our online courses. 8, How do the buffering actions of milk, yogurt, juices, detergents etc. This is an interesting study and it links to the role of auxin as well as photosynthesis so there is theory to discuss. While it is an interesting idea, like the example above there are many factors to control in this investigation, which is an interesting modification of a standard lab looking at exercise. If you are a student and wish to access these resources, ask your school to subscribe. Selecting an IBxq Biology IA idea has never been easier! On this note, we wish you all the very best for your IB Biology IA Journey :). The choice of physiological features of the body could include heart rate, or pupil size, or skin redness. Ventilation rate is a measure of how quickly you breathe. Observe how changing the colour of the light source impacts the success of phototropism! Practical work could look at the density of aphids on leaves of different shades, or bumble bee feeding on flowers of different shapes or predator prey interactions etc. NOTES: Probiotics eat the lactose in milk through fermentation. Right from neurobiology to the fascinating subjects of the immune system, MyAssignmnethelp.com covers a wide range of biology research topics. Get for free what others have paid $100s in tuition Experimental Setup:Create different environments for vegetables to decay in and measure the decay over a fixed period. So there we have it! Lots of plant ideas in the questions and answers It is also possible to use this method to study glucose levels in ripening fruit, lactase activity in milk producing glucose or maltase activity in germinating seeds. It is a complex branch of biology that studies the smallest units and the living organisms. 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. How does the shade of a leaf relate to the composition of photosynthetic pigments it contains? Coli bacteria using a micro pipette. This begs the question, is there an ideal concentration of sucrose for yeast growth? [], or you can call us here at: +44 20 4571 0455. A quart-sized bowl works great. In this post, we outline the different necessary components. I did one on predator-prey relationships and in the end I modelled two sine graphs. IA Overview. Choosing the perfect IB Biology IA idea is only the first step in making ones IB Biology Investigation, but definitely, the most significant. Experimental setup:Use a potometer to measure the rate of transpiration. Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight? The IB IAs are an essential part of ones overall subject performance since they make 20% of the final score. Read more about quadrat sampling here, Independent Variable: Soil pH, Nitrates in Soil, Oxygen concentration, Dependent Variable: Presence or absence of certain species. A Selection of Topics for a Biology Essay. They cause our teeth to rot, shaping plaque and causing awful breath. Pease comment on broken links and suggest alternative ideas in the comments. The milk that they are added to can be preserved in certain ways before the bacteria is added and the growth This could be compared to listening to music where research has been done to establish that pulse rate can be affected by music. 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. Help us improve CareerBuilder by providing feedback about this job: Report this job Job ID: 9096_4208814345. This creates fermented products. Using paper chromatography to analyse the various dyes present in different brands of jelly candy. What's IB IA Program? Experimental setup:Place a corn seed in a dark cupboard with a single light source. Ecological techniques and quadrat sampling could be used together with mapping of digging or scratching to establish whether the presence of a pet increases plant diversity or not. This gives the microbe an advantage when competing for food and water and other limited resources in a particular habitat, as the antibiotic kills off their . Perhaps some form of experiment using isotonic solutions on slightly dehydrated muscle tissue from a chicken leg, or liver would work. InThinking Subject Sites for teachers & their classes, Only teachers can take out free trials or subscriptions to our subject sites at Here are a couple of other ideas you could browse and eventually take inspiration from: We hope these little ideas will help you brainstorm and explore further in the vast yet intriguing expanse, which is Biology. Subscribe and get the latest IB guides, notes,news, tips and product updates. How does the percentage of salinity in water affect the rate of growth of radishes in mass? Stir these together well: -teaspoon agar (1 1/5 grams) Of course the IB guidelines on experimentation needs to be followed and written consent sought for participants. How do natural antiseptics (ginger and turmeric) compare with commercial antiseptics in the inhibition of growth of e. coli bacteria? 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. There are some quite nice online tests of colour vision, and also many telephone apps. All rights reserved. Heres a quick summary of how you are supposed to choose an appropriate IB Biology IA idea for your report: Now that you know how to settle on that one perfect topic, lets quickly brief ourselves with the proper planning and procedure involved in the making of an IB Biology IA: Concise Research Question: Your Research Question and the Aim of the Investigation are separate sub-headings with different implications. 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. 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.
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