biology ia ideas bacteria

and uncertainties. There are biology topics that can be connected to culture, music, language, and the like. In this post, we outline the different necessary components. Perhaps another research question will be better, something linked to hormones, or to physical activity. A clear RQ is essential and there are quite a few possibilities. It might seem like a lot of work, but with the right topic in hand, you will go beyond your expectations! What's IB IA Program? 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 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! Of course there will be other factors to consider, for example local feature of the habitat where the plants are growing and the aspect of the flowers' location, not to mention grazing and grass cutting. 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. You. 29, Determining the effect of time on the plasmolysis of potatoes, 30, Exploring mollusc shapes with regards to an external variable e.g. Decomposing bacteria and fungi are organisms that help the process of decomposition. 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: Either way, you have to connect to your topic and portray personal engagement as it lays the foundation for the rest of your investigation. If youre struggling with the Paper 2 Data Based Questions, we also have a post about that here. The existence of living organisms without cells. There are obviously many different factors influencing the rate of ventilation, you can investigate which those are! Experimental setup:Use a potometer to measure the rate of transpiration. Pour 250 ml hydrogen peroxide of 3% concentration into the 300 ml glass beaker. I investigated the change in mitotic index that occurred in onion root tips when they germinated in solutions of differing K+ ion concentration. Student work is internally assessed by the teacher and externally moderated by the IB. How does the concentration of zinc chloride affect the growth of plaque? Challenges: Providing biological context for why youre measuring certain factors. 30 Biology IA Topic Ideas! | Lanterna Education Blog They found that they could propagate their leavening by saving a bit of unused dough to sow the . 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. . Keep the research question brief and relevant. Alcohol kills bacteria by first making the lipids, which contribute to the outer protective cell membrane, more soluble in water so that the cell membrane begins to lose its structural integrity. terms of service. How does different conditioners affect the strength of hair? Thankfully, weve asked some of our favourite IB graduates for some of the ideas they pursued! How does a sudden and intensive workout affect the heart rate, and to what extent does warm up have an impact on the maximum heart rate? Experimental Setup: Focus on how leaves in different conditions vary in their stomatal density. Get for free what others have paid $100s in tuition I did one on predator-prey relationships and in the end I modelled two sine graphs. What effect does temperature have on the ripening process of a fruit?. Experimental setup:In this ecological experiment, you will use quadrat sampling to test how successfully different plant species grow in environments. 150 Actual Biology Research Paper Topics - PapersOwl.com Experimental Setup:Create different environments for vegetables to decay in and measure the decay over a fixed period. In this post, we give you 50 IB Biology IA Ideas to help you speed up your research process. In this investigation a change in a physiological feature is explored. Another simple biology experiment involves going into your natural environment, such as a local park, to observe diversity among plant samples. 996+ Videos, 1180+ PDF Files, 5858+ Sample questions. The IB advise student and teachers, each year, to avoid this sort of lab. 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. However it could be really interesting to compare simple behaviour in animals. Controlling factors which can affect blood pressure could be an investigation in itself! Different plants that live in different conditions will have different requirements for gas exchange. 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. The first step consists of spitting on the glass and adding a pinch of salt to it. Still feeling a bit uneasy about the task ahead? Different abiotic factors affect the growth of different plants, test the different conditions and then note how plant species change in their presence. How do different kinds of toothpaste compare? 5 DIY Biology Experiments You Can Easily Do at Home - Labiotech.eu Read more here, Dependent Variable: Rate of transpiration (measure with a Potometer), Challenges: Getting the plants, Setting up a Potometer. Using nationally published data on epidemiology and weather data is certainly possible and it could happen that there are correlations between climate and some disease outbreaks this will need explaining in terms of the mechanisms of transmission of the specific disease. These criteria are Communication, Exploration, Personal Engagement, Evaluation, and Analysis. Homemade extraction of your own DNA. [], We all know that scoring superbly on internal assessments is a great way to boost our IB grades. A Selection of Topics for a Biology Essay. Brian and also Louis G. Nickell and Alexander C. Finlay in the Journal of agricultural and Food chemistry, 2015. IB Acronym Glossary - Please help IB Community :) 12 Investigation ideas with a biological twist. A full experimental setup can be found on this link. They cause our teeth to rot, shaping plaque and causing awful breath. At this point, all apparatus should have been properly set-up and the experimentations should be able to commence. are the criteria against which the investigation is assessed. This investigation is going to require a very precise research question and some careful methodology to ensure that the data collected can be used to answer the RQ. Your data shall be kept until you unsubscribe. IB Biology IA: Enzymes - IB Biology IA: Enzymes - Stuvia US Independent Variable: Halophyte seed vs Normal Plant seed. Report. How does extract of the seeds and the leaves of the moringa plant (herbal medicine) show antifungal activity against the Malassezia yeast (Pittosporum) fungi that causes dandruff? One nice idea might be to see if the growth in the lungs' vital capacity correlates better with the circumference of the skull or the length of the legs in children of different ages. Five biological experiments you can do at home - University Post CareerBuilder TIP. This is a standard lab and the challenge will be to ensure that it is put into an interesting biological context. The performance in internal assessment at both SL and HL is marked against common assessment criteria, with a total mark out of 24. Bacteria with a capital B refers to the domain Bacteria, one of the three domains of life. IB Biology IA Ideas wont strike out of the blue, but heres a list of. In addition to that, the IA explores how inhibitor ethanol affects the rate of the reaction. How do halophyte seeds respond to increasing salt concentrations compared to normal seeds? Comparing the Carbon Dioxide levels in the air exhaled after and before workout sessions. Pay attention to one that is interesting for you, and that you might have ideas on how to develop the topic on. disinfectant, rum, vodka, etc.). 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. Exploring root hair cells and finding their visibility with age. Would soil pH effect the enzymes in the seed responsible for germination, is there another explanation? Practical procedures and controls will be the challenge, but data should be easy to record if the seedlings grow. Keep the research question brief and relevant. There are some quite nice online tests of colour vision, and also many telephone apps. Biology IA | PDF | Escherichia Coli | Bacteria - Scribd The challenge is really how to control the temperature of the fruit (or the light) for a long period of time, perhaps 2 weeks. Sitting in that quiet corner, sipping on hot chocolate hoping it rains IB Biology IA ideas, instead, going blank and utterly confused? While these organisms inhibit the growth of many pathogenic bacteria and are also inten- tionally employed to ferment milk to make other dairy products such as yogurt and cheese, they can also induce Selecting an IBxq Biology IA idea has never been easier! This investigation tries to establish a pattern between the weather and the spread of a disease. The IB IAs are an essential part of ones overall subject performance since they make 20% of the final score. 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. (DOC) BIOLOGY Practice IA | Riona Claire - Academia.edu IB Biology IA: Enzymes Institution GEMS World Academy Level 7 IA (22/25 points) conducted on topic 2.5 (enzymes). Canada: +1 (647) 249-7179USA (WhatsApp): +1 (678) 679-2365edu@plusplustutors.com, 407 Iroquois Shore Rd. Math solutions -. Biology IA (NOTES) - ibmynotes But how do antibiotics affect the growth or successful germination of plants? Maths IA, how to combine biology with maths? - IB Survival In general, keep in mind that for your Chemistry IA we want to measuring how changing one variable has an [], Choosing where to start with an IA can be the hardest part, and this is definitely true for the Physics IA. LinkedIn, IBDP Maths: Applications & Interpretation, Changes in the Biology Guide for 2025 exams, Video introduction to Learning activities, Distance learning using InThinking Biology, Setting written tasks using pdf worksheets, Teacher activity - Mastering student access, The origin of cells and cell division 1.5 + 1.6, Molecular biology: Activities for Learning, Molecules to metabolism - planning sheet 2.1, Carbohydrates and Lipids - planning sheet 2.3, Structure of DNA and RNA - planning sheet 2.6, Hairy Hands - genetics of mid-digital hair, Genetic modification - planning sheet 3.5, Species & communities - Planning sheet 4.1, Classification of biodiversity - planning 5.3, Reclassification of figworts using cladistics, Emergency room activity - enzyme inhibition, Electron transport chain - revision games, HL Plant Biology - Activities for Learning, Reproduction in plants - planning sheet 9.4, HL Animal Physiology Activities for Learning, Antibody & vaccination - planning sheet 11.1, Sexual Reproduction - 11.4 planning sheet, Option A - Neurobiology - Activities for learning, Neuropharmacology HL - planning sheet A.5, Option B - Biotechnology and bioinformatics, Organisms in industry Topic - Planning sheet B1, Batch fermentation and continuous culture, Biotechnology in agriculture - planning sheet B2, Cryptic messages - bioinformatics introduction, Environmental protection - planning sheet B3, Option C - Ecology Activities for learning, Species & communities - planning sheet C1, Communities & Ecosystems - planning sheet C2, Conservation of biodiversity - planning sheet C4, Option D - Human physiology Activities for learning, Respiratory gases - planning sheet HL D.6, Individual investigation - skills introduction, IA avoiding common errors - model answers, IA Experiments that could be done at home, Investigating strawberries with a glucose test meter. NOTES: Probiotics eat the lactose in milk through fermentation. Access them all! Before we match you with one of our trusted tutors, we want to know a little bit about you so we can ensure the best possible support. Of course the IB guidelines on experimentation needs to be followed and written consent sought for participants. Registration confirmation will be emailed to you. Can the max performance be measured best using max heart rate or maximum speed? Then, add some liquid soap (like the one you use for washing the dishes), juice from a grapefruit, and . While having multiple trials is necessary for the investigation, each trial should also have multiple samples. should include all the normal conventions of d.p. 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. 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? cactus) and a halophyte (eg. The will (hopefully) impact the success of germination. Vegetables decay over time but how can we slow down the process? Let's help inspire M22 students since it's already IA season! 4, How does varying the gel concentrations of agarose affect DNA migration through a gel? There should be a distinct maxima in the curve, that is the most sensitive wavelength, and is the one you should use for all your experiments. IA Descriptors-1 - IA Descriptors for IB Biology; PDB-101 Molecule of the Month Ribosome; Hardy-Weinberg equation - example; Biology paper 1 HL n19; . . IBDP Biology InThinkingSubject Sites for teachers & their classes We hope this article will serve as a foundation for you to get going on that IB Biology IA Investigation of yours! Of course, you can use any of our topics for free. 3.2 The More Data, The Better. This is interesting because the higher concentrations will cause outward osmosis in the yeast and perhaps slow down respiration, or even kill the yeast. To measure the rate, you can either measure how quickly different species grow, or one of the other factors described below. IA Review. Read more about it here. 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. You certainly dont want to miss out on these! Ib Biology Enzymes Ia Essay Example - PHDessay.com Contact, Twitter Experimental setup: In this ecological experiment, you will use quadrat sampling to test how successfully different plant species grow in environments. 30+ New IB Biology IA Ideas. Microorganisms | Free Full-Text | Leukocyte Response to Campylobacter Investigating how the concentration of RuBisCo in the leaves of a plant species varies with varied exposure to sunlight. The release of CO2 by the body in the lungs is not simple either, factors to consider include the relative amounts of aerobic and anaerobic respiration, as well as the position of the muscles being exercised. HL Biology IA Help! - The Student Room 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. To seek where great ideas come from and change the way teachers/students learn in the 21st century. Even though many of these topics led to high scores for some of our graduates in the past, it is important that you listen to the advice of your subject teacher before choosing any topic! Bio IA graded 7 IB score - Aim: To determine the effect of - Studocu Independent Variable: Temperature, Salts, Humidity, Oxygen availability, Dependent Variable: Rate of Decay measured by pH, mass or temperature change. Biology IA Checklist 2022: Step by Step Guide for a Perfect IA - IB Better The external assessment of biology consists of three written papers. Heres a link to a scientific article that did something very similar, copy their method. Writing the IA Your introduction is about summarizing what you are doing and why you are doing it. 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. It could be used in a wide range of labs. What has inspired you to do that topic? Majority of them are restricted to the intestine Growing Bacteria in Petri Dishes - Biology Experiment - The Lab | This can become interesting because you can test how different conditions affect milks spoilage, Experimental setup:In this experiment, you can compare milk spoilage. 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. Independent Variable: Plant species + humidity/temperature/ light intensity, Dependent Variable: Rate of transpiration. 15, Analysing the impact of river pollution on marine life. However, if you are still feeling lost, make sure to look at some of the strategies while choosing a good biology research paper topic. watch this thread. My IA was on bacteria by the way if you have any questions. For strict autotrophic organisms - Only inorganic compounds. 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. Before we go looking for IB Biology IA ideas, lets get a clear comprehension of the IB Biology Diploma Programme Subject, its objectives, partwise breakdown, and what IB expects of you. How does the percentage of salinity in water affect the rate of growth of radishes in mass? It is all the same when choosing that one Biology IA idea from a platter full of inspiration. 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. (1 More IB Past Papers). Without further adieu, lets dive headfirst into, (Metabolism, Cell Respiration, Photosynthesis), Want some A-quality guidance? Interactions of Bacteria and Fungi on Decomposing Litter Biology . To help you find your own topic among interesting biology research topics, we prepared some useful tips to follow. The difficulty begins with identifying the genres in a scientific way. On this note, we wish you all the very best for your IB Biology IA Journey :). There are some online simulations but these can only be used in conjunction with some other analysis; never just present the online lab as an investigation on it's own. At Lanterna we have hundreds of tutors who smashed Biology. Introduction Water Bath Method - Loosen the agar bottle cap, but do not remove it completely. Extract your own DNA. 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. 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. 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. Dependent Variable: Respiration Rate (measure with respirometer or gas probe detecting CO2 formation. Is it possible to increase brainpower? Plot this data with A on the Y-Axis and wavelength in nm on the X-axis. Some preparation time will be required to germinate and plant the seeds. Some diseases spread through direct contact, others are transmitted by an insect vector. This would be a challenge and it would require some research before beginning. . biology IA --- bacteria ? - Biology and ESS - IB Survival Grab ideas, see examples and create own perfect Biology essay and research paper! Click here (amylase) or Click here ( pancreatin amylase) from Carolina. 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! This investigation is a bit biochemical and the answer to simple research questions about the hydrophobic / hydrophyllic properties of photosynthetic pigments themselves would be a little bit obvious, so the challenge is to thing of a research question that could be answered by mixing petroleum ether (a nonpolar solvent) and propanone (a polar solvent) in different proportions and calculating retention factors. You certainly dont want to miss out on these! Login length need to be from 3 to 40 characters, Password length need to be from 8 to 40 characters. The evolution of parasites. 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. At lower pH levels of 4.0 - 5.0, lactic acid bacteria can grow and pro- duce lactic acid. Lost your password? 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. It will be useful for students who are lost for an idea, or teachers who are looking for something to inspire a particular student. 7, How do the respiration rates of bakers yeast and wine yeast in various sugar solutions compare? All rights reserved. A well planned, structured, and executed IA is one that has been undertaken with complete zeal and enthusiasm. Teens can work to find out why certain plants present certain colors. This creates fermented products. 2.1.2 Salt Doenjang is incubated at different salt concentration, controlled by the amount of sodium chloride dissolved in 100 ml of . It belongs to the family of Enterobacteriaceae where most of them are harmless. To get started, you'll need to make your agar and fill some petri dishes. Top 100 Biology Topics | Thesis Writing Ideas



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