Bacteria - Definition, Shapes, Characteristics, Types & Examples 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? The work produced by students is assessed internally by the teacher first, and it is then moderated externally by the IB. These are all genera and the specific species present definitely vary between cultures. Before you can grow bacteria, you'll need to prepare sterile culture dishes. To measure the rate, you can either measure how quickly different species grow, or one of the other factors described below. 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. Some preparation time will be required to germinate and plant the seeds. Writing the IA Your introduction is about summarizing what you are doing and why you are doing it. Biology IA (NOTES) - ibmynotes 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. Of course the underlying processes are controlled by enzymes, or the fruit ripening hormone ether. 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. Get up to 300 bonus credits with our tutoring packages! How would changing (storage) temperatures affect the rate of change of pH of different types of milk due to spoilage? The IA explored what affect does Enzyme Trypsin has on protein Casein which is contained in milk. For instance, if you choose to investigate how light levels affect the predation of peppered moths, you could set a background of you have gained a fascination for that species ever since it was introduced to you for some explanation in your regular classes and eventually give more scientific basis for your choice. Preview 1 out of 13 pages To make things as simple as possible for you, we've put together a list of biology research project ideas. Click, See Click here (amylase) or Click here ( pancreatin amylase) from Carolina. How do natural antiseptics (ginger and turmeric) compare with commercial antiseptics in the inhibition of growth of e. coli bacteria? IB Biology IA: Enzymes Institution GEMS World Academy Level 7 IA (22/25 points) conducted on topic 2.5 (enzymes). It may even be possible to find a database of measurements of children of different ages. Another difficulty will be to devise a way to measure the extent of fruit ripening, or softness. If you are a student and wish to access these resources, ask your school to subscribe. 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. The challenge will be in deciding which concentrations to test and in explaining the results. Many say that as we get older, our reaction times slow down, see if this is true! There needs to be some clear links to the biology of blood pressure and how exercise affects it. Many methods are possible, and there has been some very recent research suggesting that antibiotics can affect the growth of seeds and plants.ref P.W. Biological explanations could look at the way we grow, and if the brain changes size at the same rate as the lungs. Plot this data with A on the Y-Axis and wavelength in nm on the X-axis. Independent Variable: Different household cleaning products/increasing concentrations of cleaning product. Take inspiration from these and research further to land on that one idea that gets you going! However, keep in mind that even though we are doing our best to maintain this list fresh, other students will find it as well. 29, Determining the effect of time on the plasmolysis of potatoes, 30, Exploring mollusc shapes with regards to an external variable e.g. 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. 19, What is the difference in the CO2 levels exhaled before and after enduring physical exercise? Copyright 2023 Get the grade you deserve. It could be used in a wide range of labs. How does different sodium chloride concentrations affect seed germination in the bougainvillea plant? Student work is internally assessed by the teacher and externally moderated by the IB. However, if you are still feeling lost, make sure to look at some of the strategies while choosing a good biology research paper topic. A 125ml bottle of nutrient agar contains enough to fill about 10 petri dishes. IB Acronym Glossary - Please help IB Community :) Then use agar plates and bacteria to test their effectiveness by seeing how many bacteria grow in the different plates! For your privacy and protection, when applying to a job online, never give your social security number to a prospective employer, provide credit card or bank account information, or perform any sort of monetary transaction. IA Biology HL 6 Antibiotics. Once spread on the soil, compost and manure are broken down into minerals by decomposing bacteria and fungi, as well as by . Right from neurobiology to the fascinating subjects of the immune system, MyAssignmnethelp.com covers a wide range of biology research topics. Nice to see you here. Posted October 26, 2015. Using paper chromatography to analyse the various dyes present in different brands of jelly candy. 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 data must be analysed by the student and tables / graphs etc. First is to ensure that there is some biology to explain any hypothesis, and that the RQ is firmly focused in the Biology. This investigation tries to establish a pattern between the weather and the spread of a disease. The climate is different at different altitudes and the growing season begins later at high altitude. The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. The role of a warm up in sport is clear. Don't do it! Biology in the DP - International Baccalaureate Pease comment on broken links and suggest alternative ideas in the comments. compare? Some of the challenges of this type of investigation will be controlling other factors which affect the growth of plants. , its objectives, partwise breakdown, and what IB expects of you. We look forward to joining the Lanterna and being part of your success. It is important that you do the work yourself and not just copy the material. How does different concentrations of Gibberellic acid affect the germination of a dolly Parton rose? Registration confirmation will be emailed to you. Grab ideas, see examples and create own perfect Biology essay and research paper! Experimental Setup:Grow germinating seed in environments with different types of diluted antibiotics, see how many succeed in each environment. Homemade extraction of your own DNA. You certainly dont want to miss out on these! What effect does temperature have on the ripening process of a fruit?. For strict autotrophic organisms - Only inorganic compounds. then this could be a very good study. If you are still not dissuaded then be sure to collect enough data and try to be analytical, don't mix types of music and tempos of music and try to keep the investigation to some biological cause or effect. Experimental setup:Choose different types of toothpaste/mouth-rinse and create diluted solutions of them (mix them with water). 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. Internal Assessments are the perfect way to get students to put their knowledge to use by Observing, Questioning, and Investigating. Studying how different carbohydrates in edibles impact the blood sugar levels in humans. tillu22. There could be some biology theory applied to the plants leaves, or roots. Dependent Variable: Ethylene levels, CO2 production, qualitative assessment. http://globalhealthgovernance.org/blog/2017/12/1/how-to-find-data-on-infectious-disease-outbreaks, Heres a useful link for ventilation rates. assessment, worth 20% of the final assessment, consists of one scientific investigation. Bananas lend themselves to this because their skin changes colour. [], or you can call us here at: +44 20 4571 0455. Then is is going to be a challenge to design a method of data collection which controls all the possible variables. This investigation could be a nice way to combine two standard procedures, one to estimate the rate of respiration in the soil and another to estimate the rate of growth of a plant. The Aim answers Why while the Research Question answers the What. 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. I did one on predator-prey relationships and in the end I modelled two sine graphs. It is possible to establish a theoretical link between mild stress and adrenaline (epinephrine) which will affect features in the body including pupil size but it is not possible to directly measure the level of any hormones in the body. Keep the research question brief and relevant. The task will have the same assessment criteria for SL and HL. 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. But how do we get started on a lab report and, crucially, what should we write about? Independent Variable: Age, Tiredness, Gender, Eye Colour. DP Biology: 30 investigation ideas for Biology IA 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. I'll do so in a series of questions that will help you probe deeper into your IA. Independent, Dependent variables need to be highlighted, as should the hypothesis. Starting with a process which requires diffusion in living cells will help the topic to be interesting and will show some personal engagement. If you continue to use this site we will assume that you are happy with it. About us In line with the IB Learner Profile, "Act with integrity and honesty". The five assessment criteria are personal engagement, exploration, analysis, evaluation and communication. It is quite easy to record the number of individual plants / animals of a single species in a river at different distances above and below a possible source of pollution. You can visit www.ibbiologytutors.com to register for a FREE demo session.. A challenge is to work out the biological reasons behind you hypothesis, and it may be a good idea to branch away from toothpaste to test a specific chemical from the ingredients in the toothpaste. Stuck for Ideas planning your Biology IA? This is an interesting study and it links to the role of auxin as well as photosynthesis so there is theory to discuss. The existence of living organisms without cells. Lots of scope but not an easy investigation to complete in the time, in 12 pages. It is important to set the Research Question in the background of the chosen topic. We hope this article will serve as a foundation for you to get going on that IB Biology IA Investigation of yours! 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 25 Unique Biology IA Ideas - Think Smart Tutoring at which many forms of bacteria thrive [9]. The biological functions of water. Finding how the respiration rates of bakers yeast and lager and wine yeast in various sugar solutions compare. Read more here, Dependent Variable: Rate of transpiration (measure with a Potometer), Challenges: Getting the plants, Setting up a Potometer. Internal Assessments are the perfect way to get students to put their knowledge to use by Observing, Questioning, and Investigating. Look no further; at Nail IB, we have assembled premium content for you to ace your IBs, and you might want to check out our resources for a smooth IB experience. This could be a difficult investigation to do quantitatively unless there was a longer time period available to observe growth. (Use egg as imitation of tooth). Bacteria with a capital B refers to the domain Bacteria, one of the three domains of life. 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. 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! 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. 14, What is the respective change of allele frequency when initial frequencies are manipulated? Exploring root hair cells and finding their visibility with age. IA investigation - teacher's marking activity, Metabolism Respn & Photosynthesis test HL, Metabolism Respn. It might seem like a lot of work, but with the right topic in hand, you will go beyond your expectations! Would soil pH effect the enzymes in the seed responsible for germination, is there another explanation? What are you waiting for? In this post, we give you 50 IB Biology IA Ideas to help you speed up your research process. Biology HL IA Idea Proposal - Bacteria vs Fertilizer - Stuvia Lost your password? Proper research on your part is a bare minimum, and the rest follows. Are you looking for some IB Biology Internal Assessment (IA) ideas? Ib Biology Enzymes Ia Essay Example - PHDessay.com Heres a useful link for ventilation rates. They found that they could propagate their leavening by saving a bit of unused dough to sow the . . How the rate of decay affects temperature, water & oxygen - BBC Some assessment of the reliability of the sources will be needed and some discussion of ethics of using someone's data, with their consent, hopefully. Water Bath Method - Loosen the agar bottle cap, but do not remove it completely. Of course the IB guidelines on experimentation needs to be followed and written consent sought for participants. 6, How does sudden change in body position affect heart rate and baroreceptor feedback? Report. Despite so, there are still some that can cause bloody diarrhea, severe anaemia or kidney failure, all in which can lead to death. If the algae is green, then the maxima should be over in . 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. Need inspo for Physics too? The milk that they are added to can be preserved in certain ways before the bacteria is added and the growth A quart-sized bowl works great. Below you will find science fair project ideas primarily related to biology. Dependent Variable: Rate of Seed Germination. The effect of pets on the diversity of plants in a garden lawn. To make the experiment more detailed, students can rub collected samples on filter paper to observe which plants present which colors. An ideal IA idea is one that reeks of originality and leaves room for proper investigation and analysis in the process. IB Biology IA, Hydrolysis of starch using enzyme amylase 1st Method (SL) using white tile and stop watch How changing Temp/Salt conc While there is a considerable challenge in designing apparatus and growing plants the idea of using plants to filter the water in 'ecological' swimming pools is quite well established. Biology Internal Assessment Topics: 15+ Sample, Example Topics The video breaks down the c. Hurry, this offer ends on January 17th! The problem of this investigation is that it is difficult to measure rehydration or salinity. 1678+ Video tutorials, 1226+ PDF IB Resources, 195+ Sample IAs, 148+ EEs, 8777+ Sample questions, 653+ quizzes, IB 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. 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. We use cookies to ensure that we give you the best experience on our website. Read more about it here. On this note, we wish you all the very best for your IB Biology IA Journey :). 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. 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 :) Using the pipette dropper to suck in 10 ml of the 3% hydrogen peroxide . 7, How do the respiration rates of bakers yeast and wine yeast in various sugar solutions compare? HL Psychology or HL History? By siging up, I agree to Lanternas 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. with peppered moth types. PDF Milk Spoilage: Methods and Practices of Detecting Milk Quality Increasing sucrose concentration makes more sugar available for Cell Respiration but it also draws water out of yeast by osmosis, which could kill it. At Lanterna we have hundreds of tutors who smashed Biology. 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. 30 Biology IA Topic Ideas! | Lanterna Education Blog 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? 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. 9, Do our reaction times slow down with age? Its very important that you consider if whether you can apply these topics to your own life, as this shows personal engagement. 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. Microorganisms | Free Full-Text | Leukocyte Response to Campylobacter 1. Experimental Setup:Create different environments for vegetables to decay in and measure the decay over a fixed period. IB Biology IA topics: Biology being a scientific course encompasses a lot of investigation and research. 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. Comparing the Carbon Dioxide levels in the air exhaled after and before workout sessions. For this experiment, youll investigate how different variables affect the rate of decay! Click here to learn more. | 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. If some abiotic factors can also be recorded including the pollution level, eg nitrate level, BOD, turbidity etc. Comparing Gersmehl diagrams from different biomes or applying them in different real-world conditions by measuring the content of nutrient sinks- biomass, litter, or soil. What's IB IA Program? At lower pH levels of 4.0 - 5.0, lactic acid bacteria can grow and pro- duce lactic acid. PDF Probiotic Frozen Yogurt - Mahidol University Independent Variable: Plant species + humidity/temperature/ light intensity, Dependent Variable: Rate of transpiration. The Aim answers Why while the Research Question answers the What. Biology Science Fair Project Ideas - ThoughtCo 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. In order to do well in any science IA, you need to fulfil the criteria i.e. The evolution of parasites. Challenge: Gathering enough data, Pollution affecting species growth. HL Biology IA Help! IA Advice & Ideas; Help! 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. Auxin hormone is largely responsible for controlling the direction of plant growth. The practice of making sourdough is as ancient as bread itself. www.thinkib.net. Exemplars. tillu22. Internal assessment criteria the new assessment model uses five criteria to assess the final report of the individual investigation with the following raw marks and weightings assigned: Complete this form and well match you with a Tutor to help you master your EE! They know exactly how to get a 7 in your IA and exam and can give you tips and tricks on how you can do the same. Unraveling topoisomerase IA gate dynamics in presence of PPEF and its This begs the question, is there an ideal concentration of sucrose for yeast growth? Passion is fundamental in research, after all. To seek where great ideas come from and change the way teachers/students learn in the 21st century. 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. 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. Stomata are the areas of gas exchange in leaves. should include all the normal conventions of d.p. 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. 17. Lower concentrations will slow respiration because of a lack of substrate.

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