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Proper research on your part is a bare minimum, and the rest follows. Pease comment on broken links and suggest alternative ideas in the comments. Whether you are looking for immediate help for IB Biology internal assessments ideas, online tutoring for any IB subject including biology or best study material for any IB group 1 to IB . Your Research Question and the Aim of the Investigation are separate sub-headings with different implications. The data collection using the online lab may be easy enough, but the challenge is going to be designing a meaningful experiment and collecting enough results to complete the analysis well. 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. 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. Every year the examiners' report mentions problematic Investigations, those which are unethical, or standard labs which are not applied to any specific interest. )/ Studying, Dependent variable:Ventilation rate. Email length need to be from 5 to 40 characters, Password length need to be from 5 to 40 characters. 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? Follow the steps here to extract the DNA. 17. Thankfully, weve asked some of our favourite IB graduates for some of the ideas they pursued! Legal This study could be an investigation of how effectively the toothpaste inhibits the growth of bacteria according to the scale of the chemicals in the toothbrush. 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. Personal engagement, exploration, analysis, evaluation, and communication. Or find the correlation between the height of one's parents and their own height, then make predictions based on your findings. It may even be possible to find a database of measurements of children of different ages. In this investigation a change in a physiological feature is explored. How do detergents, drinks, yogurt, and milk stack up when it comes to buffering? 14. 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. Help us improve CareerBuilder by providing feedback about this job: Report this job Job ID: 9096_4208814345. Extract your own DNA. If you are a student and wish to access these resources, ask your school to subscribe. Experimental setup:Follow this link to for more information of modelling! Get your own tutor today! Introduction The IB IAs are an essential part of ones overall subject performance since they make 20% of the final score. Using the pipette dropper to suck in 10 ml of the 3% hydrogen peroxide . 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. Place all 5 of the red apples into the test tubes (1 piece for each test tube). The IB advise student and teachers, each year, to avoid this sort of lab. How do natural antiseptics (ginger and turmeric) compare with commercial antiseptics in the inhibition of growth of e. coli bacteria? The development of biotechnology. Level of destructive aggression, recklessness and aggression in general of team sportsmen is higher than individual ones. 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. This is an interesting quantitative method to estimate glucose concentration. Hurry, this offer ends on January 17th! 1, Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. 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. Access them all! : Limitations and Improvements should be specified. 19, What is the difference in the CO2 levels exhaled before and after enduring physical exercise? NOTES: Probiotics eat the lactose in milk through fermentation. The challenge is really how to control the temperature of the fruit (or the light) for a long period of time, perhaps 2 weeks. and uncertainties. Some plants grow well in coastal soils with igh salt concentrations but others don't. Of course the IB guidelines on experimentation needs to be followed and written consent sought for participants. 30 Biology IA topic ideas to get your lab report started! The challenge is to explain why there might be a change using biology and then to test it using some type of ecological sampling. Pour the bacteria onto the solidified agar plate. To seek where great ideas come from and change the way teachers/students learn in the 21st century. . 5 years ago. What brand of laundry detergent is the most effective in the digestion and removal of lipid stains? A well. Take 10 micro liters of the cultured. This investigation tries to establish a pattern between the weather and the spread of a disease. Does it matter what type of light the plant is exposed to affect the growth of auxin? IB Elite Academy online tutors provides hundreds of IB Biology IA ideas at both IB Biology higher level, IB Biology standard level. 16, Determine the effect of glucose concentration on the rate of osmosis. Background Information: There are a lot of microscopic organisms and other miniaturized scale creatures living in our mouth. This is a simple idea, but the explanation is more complex, and this might be the challenge of this particular investigation. Homemade extraction of your own DNA. Does the behaviour of an animal change as the population increases? Different abiotic factors affect the growth of different plants, test the different conditions and then note how plant species change in their presence. www.thinkib.net. Stomata are the areas of gas exchange in leaves. Independent Variable: Light exposure, Different Species, Atmospheric CO2 concentration, Dependent Variable: Stomatal density (seen under the microscope). Grab ideas, see examples and create own perfect Biology essay and research paper! The individual. 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. using potassium permanganate and heating, from a protocol from Science & plants for schools. 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 . IB Biology IA Ideas wont strike out of the blue, but heres a list of. Can the max performance be measured best using max heart rate or maximum speed? 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. How do halophyte seeds respond to increasing salt concentrations compared to normal seeds? Look at the genetic similarities and differences between species, kingdoms, phylas, classes, genuses, orders, families, and domains. Still feeling a bit uneasy about the task ahead? How effective are synthetic antibacterial products compared to natural antibacterial products against the growth of Cut bacterium acnes? Are you struggling with choosing your topic for your IB Biology IA? To what extent does the mass of sodium nitrate powder have an effect on the quality of beef as a preservative. Internal assessments make up for 20% of the grade and are all about scientific writing and research. Then use agar plates and bacteria to test their effectiveness by seeing how many bacteria grow in the different plates! disinfectant, rum, vodka, etc.). Of course, you can use any of our topics for free. Before we dive more in-depth, you might want to check out our, to own your Biology SL papers! Level of passive aggression in individual sportsmen is found higher. Exploring how the Water Quality Index (WQI) is affected by water obtained from Chemical Industries/Sewage Treatment Plants. Passion is fundamental in research, after all. How does cumin and turmeric powder, in comparison to indigestion tablets, affect the rate of neutralization of hydrochloric acid, measured by the difference of change of pH levels in 5 minutes? 18, What is the effect of isotonic drinks on rehydration and recovery after exercise? If you insist on trying this then be sure to cover the control of variables, there are a lot which can affect the heart. 1. 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. Internal Assessments are the perfect way to get students to put their knowledge to use by Observing, Questioning, and Investigating. Despite so, there are still some that can cause bloody diarrhea, severe anaemia or kidney failure, all in which can lead to death. Choosing the perfect IB Biology IA idea is only the first step in making ones IB Biology Investigation, but definitely, the most significant. Are you looking for some IB Biology Internal Assessment (IA) ideas? 17, What is the effect of pests on the diversity of plants in a lawn? Halophytes grow in Salty conditions whereas normal plants dont. 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. 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. State your hypothesis; it is important in the context of your research. 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. Pay attention to one that is interesting for you, and that you might have ideas on how to develop the topic on. Halophytes and Xerophytes have different adaptations to control transpiration rates, how do they each respond to temperature changes? legislation, you have rights in relation to your data. 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! Without further adieu, lets dive headfirst into 30+ IB Biology IA ideas for your Biology IA Investigation! Perform the relevant analysis, keeping in mind the research question, and conclude. the Other possibilities are paper simulations, e.g. 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. The work produced by students is assessed internally by the teacher first, and it is then moderated externally by the IB. 13. This investigation relies on the recording of abiotic data and data about the stage of the flowering cycle using the number of flowers / fruit / buds etc in a single species at different altitudes up a mountain. Challenges: Providing biological context for why youre measuring certain factors. 6 years ago. This would be a challenge and it would require some research before beginning. should include all the normal conventions of d.p. The Internal Assessment can be a daunting task, for many students this will be the first time you're tackling such an assignment. Of course the underlying processes are controlled by enzymes, or the fruit ripening hormone ether. If you continue to use this site we will assume that you are happy with it. A well planned, structured, and executed IA is one that has been undertaken with complete zeal and enthusiasm. If the algae is green, then the maxima should be over in . Remember! Many say that as we get older, our reaction times slow down, see if this is true! with current laws and regulations, you can unsubscribe at any time by clicking on the link in This is a bit more complex than a simple pulse rate investigation, but the challenge to control variables is equally great. compare? 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. 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. 16. Use it to spread the bacteria across the surface of the Petri dish while rotating it. It will be useful for students who are lost for an idea, or teachers who are looking for something to inspire a particular student. Investigating muscle activity involved when standing on ones toes(Ballet dancers). 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. Paper 2 contains short-answer and extended-response questions on the core (and Additional Higher Level (AHL) material . 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 , its objectives, partwise breakdown, and what IB expects of you. Perhaps some form of experiment using isotonic solutions on slightly dehydrated muscle tissue from a chicken leg, or liver would work. Exploring how the height of plants is affected by Nitrogen or Fluoride based fertilizers used. A limitation with an experiment that finds the relationship between sodium ion concentration and the rate of neurogenesis in the hippocampus of the brain is that its results are not applicable to other parts of the nervous system. In accordance 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. What has inspired you to do that topic? The problem of this investigation is that it is difficult to measure rehydration or salinity. 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. A clear RQ is essential and there are quite a few possibilities. Another simple biology experiment involves going into your natural environment, such as a local park, to observe diversity among plant samples. Experimental setup:Use a potometer to measure the rate of transpiration. A quart-sized bowl works great. 6, How does sudden change in body position affect heart rate and baroreceptor feedback? Before you can grow bacteria, you'll need to prepare sterile culture dishes. If some abiotic factors can also be recorded including the pollution level, eg nitrate level, BOD, turbidity etc. These Biology IA Ideas Will Help You Get A High Grade In Your Biology IA. Studying how sudden workout affects the heart rate and baroreceptor feedback. This is a simple experiment to carry out, but a difficult experiment to get good controlled data for. 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 How does the shade of a leaf relate to the composition of photosynthetic pigments it contains? By siging up, I agree to Lanternas Another difficulty will be to devise a way to measure the extent of fruit ripening, or softness. Decomposition is crucial to the cycling of elements, such as carbon from one living organism to another. 1. 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. 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. 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. It might seem like a lot of work, but with the right topic in hand, you will go beyond your expectations! The practical methods to germinate seeds and select appropriate salt concentrations will present definite challenges but this is an interesting study for students living near the coast, or in places where salt is applied to the roads in winter. 0. Of course the ideas are just ideas, nothing is specified and all the details will need to be explored and evaluated by students during their investigations. 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. Avoid any investigation where you are getting friends to drink Gatorade and measuring some unrelated but easy to measure factor, like pulse rate. Independent Variable: Plant species + humidity/temperature/ light intensity, Dependent Variable: Rate of transpiration. investigation should cover a topic that is commensurate with the level of the course of study. Teens can work to find out why certain plants present certain colors. The analysis of the results and the design of the method is another place where PE can be demonstrated, try to take the standard lab and adapt it so show something which is not 'standard'. Independent Variable: Temperature/Psychological Stress (scary movies? Different plants that live in different conditions will have different requirements for gas exchange. 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. Maybe you can suggest that to your teacher? Interactions of Bacteria and Fungi on Decomposing Litter Biology . Plot this data with A on the Y-Axis and wavelength in nm on the X-axis. Clearly state your interest. Click here to reset it. Get up to 300 bonus credits with our tutoring packages! 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. 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. However it could be really interesting to compare simple behaviour in animals. Student work is internally assessed by the teacher and externally moderated by the IB. Internal Assessments are the perfect way to get students to put their knowledge to use by Observing, Questioning, and Investigating. IB Biology curriculum expects you to appreciate scientific problems in a global context with stimulating opportunities, and IB Biology IAs help you accomplish just that. Test how different household cleaning products affect seed germination! The internal assessment, worth 20% of the final assessment, consists of one scientific investigation.