biology ia ideas bacteria biology ia ideas bacteria

16. | should include all the normal conventions of d.p. Decomposition is crucial to the cycling of elements, such as carbon from one living organism to another. We look forward to joining the Lanterna and being part of your success. Antibiotics. How would changing (storage) temperatures affect the rate of change of pH of different types of milk due to spoilage? We hope our list of Internal Assessment Ideas was useful. Also, be sure that you know all of the rules and regulations for your particular science fair before you begin your project. The effect of techniques used to preserve milk on its ability to support the growth of probiotic bacteria. Independent Variables: Different toothpaste manufacturers (Colgate vs Sensodyne vs Crest vs Aquafresh), Dependent Variable: Success of bacterial growth (seen by growth on an agar plate), Milk goes off because of lactobacilli reproduction and growth. location on shore. www.thinkib.net. 1, Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. You certainly dont want to miss out on these! 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. The use of a transect of transects will be useful for the sampling. At the end of a long endurance event cramps and muscle fatigue will be evident but this is not possible to recreate in the lab in school. The internal assessment requirements are the same for biology, chemistry and physics. Hurry, this offer ends on January 17th! 3. Maybe you can suggest that to your teacher? It is important that you do the work yourself and not just copy the material. 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. By testing people of different ages to see if there is a difference in their reaction time it may seem like a simple study, but there are a lot of factors which need to be controlled and it will be difficult to find enough participants to create a large enough data set. A full experimental setup can be found on this link. Below you will find science fair project ideas primarily related to biology. 30, Exploring mollusc shapes with regards to an external variable e.g. Some of the challenges of this type of investigation will be controlling other factors which affect the growth of plants. This is nice project if there is a specific environmental gradient in the site being investigated. (Use egg as imitation of tooth). Want some A-quality guidance? 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 . It is known that you should have at least 25 samples of data for your Biology IA, but let us explain why. 996+ Videos, 1180+ PDF Files, 5858+ Sample questions. It is very easy to extract DNA at home just using everyday kitchen supplies. Sitting in that quiet corner, sipping on hot chocolate hoping it rains IB Biology IA ideas, instead, going blank and utterly confused? Level of destructive aggression, recklessness and aggression in general of team sportsmen is higher than individual ones. Which pigments are made first in a growing leaf, or are all the pigments made at the same time? How does the shade of a leaf relate to the composition of photosynthetic pigments it contains? IB Biology IA: Enzymes Institution GEMS World Academy Level 7 IA (22/25 points) conducted on topic 2.5 (enzymes). watch this thread. at which many forms of bacteria thrive [9]. 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! To get started, you'll need to make your agar and fill some petri dishes. Auxin hormone is largely responsible for controlling the direction of plant growth. This creates fermented products. These are all genera and the specific species present definitely vary between cultures. Extract your own DNA. Copyright 2023 Get the grade you deserve. IA Overview. 24. Reply Facebook Dependent Variable: Rate of Seed Germination. One possible solution is to measure another (or some other) factors about the body and look for a correlation. How do cleaning products affect the growth of house plants? This is a standard lab and the challenge will be to ensure that it is put into an interesting biological context. Experimental setup:Find a few friends willing to participate and measure their ventilation rates with a respirometer (the human version) and then subject them to different stimuli. All rights reserved. Many say that as we get older, our reaction times slow down, see if this is true! Outline the Equipment, time, and resources to keep a check on its feasibility. promotional emails that we send to you. In this post, we give you 50 IB Biology IA Ideas to help you speed up your research process. What brand of laundry detergent is the most effective in the digestion and removal of lipid stains? 17. Place all 5 of the red apples into the test tubes (1 piece for each test tube). Weaknesses like using high uncertainty apparatus should be addressed in the evaluation. Kimchi is a traditional fermented cabbage dish from Korea. A Selection of Topics for a Biology Essay. If you insist on trying this then be sure to cover the control of variables, there are a lot which can affect the heart. There are some ethical questions involved too, and parental consent will be essential for any experiments on children. Coli bacteria using a micro pipette. Toothpaste is supposed to block bacterial growth. Athletes perform better if they warm up properly before an event. The greatest challenge in this investigation is getting a large enough data set which takes into consideration enough of the factors which need to be controlled. This is interesting because the higher concentrations will cause outward osmosis in the yeast and perhaps slow down respiration, or even kill the yeast. 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. Studying how sudden workout affects the heart rate and baroreceptor feedback. CareerBuilder TIP. 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. Perhaps some form of experiment using isotonic solutions on slightly dehydrated muscle tissue from a chicken leg, or liver would work. 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. The work produced by students is assessed internally by the teacher first, and it is then moderated externally by the IB. Writing the IA Your introduction is about summarizing what you are doing and why you are doing it. Use a clean, microwave-safe container to mix the agar with water and then boil it. HL Biology IA Help! Controlling factors which can affect blood pressure could be an investigation in itself! There are lots of practical problems to overcome, most importantly how to change the soil so that it has different amounts of respiration. The performance in internal assessment at both SL and HL is marked against common assessment criteria, with a total mark out of 24. Therefore, it's super important that your IB Biology IA gets as high a mark as possible. 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. Different plants that live in different conditions will have different requirements for gas exchange. There are biology topics that can be connected to culture, music, language, and the like. Pour the bacteria onto the solidified agar plate. A clear RQ is essential and there are quite a few possibilities. Perhaps one of these other variables will be a better variable to investigate instead of music. This can become interesting because you can test how different conditions affect milks spoilage, Experimental setup:In this experiment, you can compare milk spoilage. Exploring root hair cells and finding their visibility with age. It is all the same when choosing that one Biology IA idea from a platter full of inspiration. 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. 3, Describe how the primary productivity of algae changes with temperature, algae concentration, other aquatic plants, salinity, nutrients, and any other variables you may want to consider. You can visit www.ibbiologytutors.com to register for a FREE demo session.. If the algae is green, then the maxima should be over in . Passion is fundamental in research, after all. 14. By siging up, I agree to Lanternas Biology IA Ideas with Independent Variables 1. Grab ideas, see examples and create own perfect Biology essay and research paper! However, keep in mind that even though we are doing our best to maintain this list fresh, other students will find it as well. disinfectant, rum, vodka, etc.). The biological explanation of why blood pressure might change when reading may be tenuous. Remember! Measuring theses factors might be tricky and will involve some testing, although using a phone camera or a video camera could help. The milk that they are added to can be preserved in certain ways before the bacteria is added and the growth Independent Variable: Halophyte seed vs Normal Plant seed. Perhaps the muscles with a greater blood flow will cause a different effect to those in the bodies extremities, and what effect could warming up have on the process? Pay attention to one that is interesting for you, and that you might have ideas on how to develop the topic on. Experimental Setup: Focus on how leaves in different conditions vary in their stomatal density. 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. Bacteria with a capital B refers to the domain Bacteria, one of the three domains of life. The will (hopefully) impact the success of germination. Email length need to be from 5 to 40 characters, Password length need to be from 5 to 40 characters. Similarly to the experiment on the rate of decay, you can also measure how quickly fruits ripen, and which factors affect this ripening. Contact, Twitter Understanding how a particular abiotic factor affects the biodiversity in a habitat. Toothpaste is labelled according to how natural or how chemical the contents are. The choice of physiological features of the body could include heart rate, or pupil size, or skin redness. Enter your email and tell us where to send them! At this point, all apparatus should have been properly set-up and the experimentations should be able to commence. Read more about it here. Pease comment on broken links and suggest alternative ideas in the comments. Lower concentrations will slow respiration because of a lack of substrate. So there we have it! The individual. Challenge: Gathering enough data, Pollution affecting species growth. 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. tillu22. Investigating how tuberculosis's Incidence is related to a countrys Human Development Index(HDI) level. This was my Biology HL IA which was given a 21/24 by the IB. 13, Comparative study between 5 different species of animals using BLAST analysis to determine evolutionary history. 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. Population growth curves. Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight? Most strands of this bacteria are found to be harmless and even healthy to be part of the human digestive system, however some strands can cause to the development of serious problems like . 12, What happens after the best-by date of dairy products? 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. Access them all! Once spread on the soil, compost and manure are broken down into minerals by decomposing bacteria and fungi, as well as by . Click, See These proportions make enough nutrient agar to prepare two petri dishes. In accordance (1 More IB Past Papers). 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 :) Take inspiration from these and research further to land on that one idea that gets you going! Biological explanations could look at the way we grow, and if the brain changes size at the same rate as the lungs. Ingredients: transparent glass, salt, liquid soap, grapefruit juice, and alcohol (e.g. But how do we get started on a lab report and, crucially, what should we write about? In addition to that, the IA explores how inhibitor ethanol affects the rate of the reaction. These microbes assault the nourishment scraps that stick to, and in the middle of our 2 teeth. You will find 100 topics on various subjects below. Some diseases spread through direct contact, others are transmitted by an insect vector. 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. Sometimes sites go ofline or change their address. 1. 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. 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! 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. The problem of this investigation is that it is difficult to measure rehydration or salinity. 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. We hope this article will serve as a foundation for you to get going on that IB Biology IA Investigation of yours! How does the concentration of zinc chloride affect the growth of plaque? At SL and HL levels, the performance is rated concerning a defined assessment criterion which is marked out of the score of 24. HL Biology IA Help! 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. investigation should cover a topic that is commensurate with the level of the course of study. 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? The best investigations will have a biological reason why there might be a correlation between the IV and the DV. Sterilize the spreader by holding it over the spirit lamp and then cooling it in the laminar airflow. However it could be really interesting to compare simple behaviour in animals. opening the floodgates to that sweet 45! Starting with a process which requires diffusion in living cells will help the topic to be interesting and will show some personal engagement. 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. What is the most effective way of fighting an endemic? 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. Remember that these samples are meant to give direction and ideas. 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. with current laws and regulations, you can unsubscribe at any time by clicking on the link in Background Information: There are a lot of microscopic organisms and other miniaturized scale creatures living in our mouth. Give us the email address you use to log in to Lanterna and well send you instructions for resetting your password. How do you even choose a topic? Login length need to be from 3 to 40 characters, Password length need to be from 8 to 40 characters. The difficulty begins with identifying the genres in a scientific way. 3. . 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. Then is is going to be a challenge to design a method of data collection which controls all the possible variables. 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? 28, How do different antibiotics interact with the process of seed germination? Within each topic listed below, we include the basic reasons for investigating each topic, what the possible independent variables and dependent variables are as well as the basic experimental setup! Studying the effect of enzymes on Cheese production. Keep the research question brief and relevant. Report. Experimental setup:Follow this link to for more information of modelling! 30 Biology IA topic ideas to get your lab report started! 6, How does sudden change in body position affect heart rate and baroreceptor feedback? The existence of living organisms without cells. Do individuals of different types all behave in the same way to a stimulus. The evolution of parasites. If youre looking for guidance on how to actually write an IA once youve chosen your topic, check out our IA Checklist post! : Limitations and Improvements should be specified. 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. 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. Where do you even begin such a task? . Unit 8, Suite V4Oakville, Ontario,CanadaL6H 1M3. Antibiotics are chemicals that kill or inhibit the growth of bacteria and are used to treat bacterial infections. Using LeafLab - plant physiology/photosynthesis to test the effectiveness of different colours of light on the photosynthesis rate of tomato plants. Photo. 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. 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. 8, How do the buffering actions of milk, yogurt, juices, detergents etc. Introduction How do different kinds of toothpaste compare? 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. Several university Extension services are now offering easy-to-use websites for those . How does the composition of soil affect the growth of runner Plants from the original plant? . Citing documents/web pages and giving references is another important aspect of your IA that needs to be taken care of. 1. 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? Using the pipette dropper to suck in 10 ml of the 3% hydrogen peroxide . with peppered moth types. It might seem like a lot of work, but with the right topic in hand, you will go beyond your expectations! Independent Variable: Temperature, Salts, Humidity, Oxygen availability, Dependent Variable: Rate of Decay measured by pH, mass or temperature change. 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. 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. tillu22. 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 investigation tries to establish a pattern between the weather and the spread of a disease. There are many possible variations, perhaps the presence of animal excrement could be the causal factor, otherwise some species may be more resistant to scratching and disturbance, caged animals can selectively graze on parts of a lawn, just to mention a few ideas. 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. Despite so, there are still some that can cause bloody diarrhea, severe anaemia or kidney failure, all in which can lead to death. 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. Studying how different carbohydrates in edibles impact the blood sugar levels in humans. 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. 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. Of course the underlying processes are controlled by enzymes, or the fruit ripening hormone ether. Get your own tutor today! 18, What is the effect of isotonic drinks on rehydration and recovery after exercise? 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 Atriplex amnicola) and expose them to increasing increments of independent variables, observing how their transpiration rates change. 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. Then use agar plates and bacteria to test their effectiveness by seeing how many bacteria grow in the different plates! 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. 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. As the cell membrane disintegrates, alcohol can then enter the cell and . classes to learn/preach! But how do antibiotics affect the growth or successful germination of plants? Comparing the buffering actions of various substances: antacids, milk, sodium bicarbonate, sodium carbonate, detergents, etc. IB Biology IA topics: Biology being a scientific course encompasses a lot of investigation and research. This page is a simple list of general biological ideas for investigations. 1 Department of Food Chemistry,Faculty of Pharmacy, Mahidol University 2 Department of Microbiology, Faculty of Pharmacy, Mahidol University Abstract Recent trends show that consumers have been searching for functional foods to improve bodily functions and overall health. IA Biology HL 6 Investigating the relationship between consumption of fat and carbohydrates per capita per day measured in kcal and share of adult obesity in a country as a percentage of the population IA Biology HL 7 Investigating Effect of Different concentration of pesticides on bacterial growth. By Background, IB expects you to briefly explain what encouraged you to choose a particular topic and hopefully a personal story that validates your choice and engagement. The different pH levels are pH 1, 3, 5, 7, 11, and 14. Topics about Biology, we've collected for you from our best Biology papers samples! The importance of agricultural microbiology. Before we dive more in-depth, you might want to check out our, to own your Biology SL papers! How does increasing the concentration of Oxytetracycline in mg/L affect root elongation in cm of Citrus limon? Experimental Setup:Grow germinating seed in environments with different types of diluted antibiotics, see how many succeed in each environment. Follow the steps here to extract the DNA. Experimental setup:Gather participants for the study and compare how quickly they can catch a ruler (measured in cm). If youre struggling with the Paper 2 Data Based Questions, we also have a post about that here. The five assessment criteria are personal engagement, exploration, analysis, evaluation and communication. Check out this link for more details, Independent variables: Age of participant/Age + sensory stimuli (how to hearing, seeing and touch-based reaction rates change), Dependent Variables: Time taken to catch ruler between fingers /Time taken to clap when they see light, Challenges: getting enough people to get reliability, controlling variables, Different diseases spread at different rates in different weather conditions depending on how they are passed between organisms (Skin contact, Blood-Blood contact, Cross-species barriers).