biology ia ideas bacteria

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. 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. Be unique and think about how it's interesting to YOU! Click here to learn more. Give us the email address you use to log in to Lanterna and well send you instructions for resetting your password. 12, What happens after the best-by date of dairy products? However, if you are still feeling lost, make sure to look at some of the strategies while choosing a good biology research paper topic. Use a clean, microwave-safe container to mix the agar with water and then boil it. The will (hopefully) impact the success of germination. Plants also play a significant role in the environment by influencing climate and producing life-giving oxygen. 1. 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. Coli bacteria using a micro pipette. Five biological experiments you can do at home - University Post Bio IA graded 7 IB score - Aim: To determine the effect of - Studocu You can visit www.ibbiologytutors.com to register for a FREE demo session.. IB SL & HL Biology Internal Assessment Topics - WritingMetier To what extent does the mass of sodium nitrate powder have an effect on the quality of beef as a preservative. How do cleaning products affect the growth of house plants? Does it matter what type of light the plant is exposed to affect the growth of auxin? Measuring theses factors might be tricky and will involve some testing, although using a phone camera or a video camera could help. Of course the underlying processes are controlled by enzymes, or the fruit ripening hormone ether. IB Biology IA ideas - Maths, English, Chem, BM, Eco, ITGS - IB Elite Get for free what others have paid $100s in tuition 16. | 150 Actual Biology Research Paper Topics - PapersOwl.com Water Bath Method - Loosen the agar bottle cap, but do not remove it completely. How to measure growth of algae with colorimeter - Biology Stack Exchange Antibiotics are used to treat plants for bacteria. IB Acronym Glossary - Please help IB Community :) Investigating how tuberculosis's Incidence is related to a countrys Human Development Index(HDI) level. Student work is internally assessed by the teacher and externally moderated by the IB. 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. Halophytes grow in Salty conditions whereas normal plants dont. PDF Milk Spoilage: Methods and Practices of Detecting Milk Quality 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 . Dependent Variable: Degree of growth of plant towards a light source. Exemplars. : Limitations and Improvements should be specified. IB Biology IA topics: Biology being a scientific course encompasses a lot of investigation and research. Read more about quadrat sampling here, Independent Variable: Soil pH, Nitrates in Soil, Oxygen concentration, Dependent Variable: Presence or absence of certain species. Choosing the perfect IB Biology IA idea is only the first step in making ones IB Biology Investigation, but definitely, the most significant. This is an interesting quantitative method to estimate glucose concentration. location on shore. The challenge will be in deciding which concentrations to test and in explaining the results. In this investigation a change in a physiological feature is explored. NOTES: Probiotics eat the lactose in milk through fermentation. The biological functions of water. 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. Paper 2 contains short-answer and extended-response questions on the core (and Additional Higher Level (AHL) material . HL Biology IA Help! - The Student Room 1: Cell Biology 1.1: Introduction to Cells 1.2: Ultrastructure of Cells 1.3: Membrane Structure 1.4: Membrane Transport 1.5: The Origin of Cells 1.6: Cell Division 2: Molecular Biology 2.1: Molecules to Metabolism 2.2: Water 2.3: Carbohydrates and Lipids 2.4: Proteins 2.5: Enzymes 2.6: DNA and RNA 2.7: DNA Replication, Transcription and Translation A well. 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. 18, What is the effect of isotonic drinks on rehydration and recovery after exercise? How do you even choose a topic? Perhaps another research question will be better, something linked to hormones, or to physical activity. 30 Biology IA Topic Ideas! | Lanterna Education Blog Dependent Variable: Respiration Rate (measure with respirometer or gas probe detecting CO2 formation. IB Biology IA Ideas wont strike out of the blue, but heres a list of 30+ IB Biology IA ideas to inspire and stimulate your grey cells! 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. there Skip to document Ask an Expert Sign inRegister Sign inRegister Home Ask an ExpertNew Is it possible to increase brainpower? By siging up, I agree to Lanternas They cause our teeth to rot, shaping plaque and causing awful breath. Experimental setup:Follow this link to for more information of modelling! newsletters and promotional offers. Where do you even begin such a task? By submitting this form, I agree to the data entered being used by Nail IBNSW for sending How the rate of decay affects temperature, water & oxygen - BBC Experimental setup:Gather participants for the study and compare how quickly they can catch a ruler (measured in cm). Investigation of the functioning of the eyes when using paper or different electronic screens. How to Choose Interesting Biology Research Topics? - MyAssignmenthelp.com Some independent variables will be easier to test than others, for example size of text and distance wt which it can be read, would be better than measuring reading speed which can be affected by many other variables. Click here to reset it. We are available: Mon-Fri 9am-7pm CESTSat 10-5pm CESTSun 12-5pm CEST. IB Biology IA example: 21/24 Biology HL IA on Mitotic Index - Clastify I investigated the change in mitotic index that occurred in onion root tips when they germinated in solutions of differing K+ ion concentration. Different plants that live in different conditions will have different requirements for gas exchange. This is an investigation to test a hypothesis that reaction time wll slow down with age. Before you can grow bacteria, you'll need to prepare sterile culture dishes. Finding how the respiration rates of bakers yeast and lager and wine yeast in various sugar solutions compare. 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. Starting at deep purple, and ending at far red, write down the A values. But how do antibiotics affect the growth or successful germination of plants? Independent Variable: Temperature, Salts, Humidity, Oxygen availability, Dependent Variable: Rate of Decay measured by pH, mass or temperature change. To make the experiment more detailed, students can rub collected samples on filter paper to observe which plants present which colors. The biological explanation of why blood pressure might change when reading may be tenuous. This FREE guide reveals the most powerful information for boosting your extended essay score and Introduction Biology IA Checklist for HL & SL The International Baccalaureate Biology Internal Assessment makes up 20% of the final grade achieved by Biology HL and Biology SL students. Toothpaste is supposed to block bacterial growth. to inspire and stimulate your grey cells! The distinctive features of human physiology. (Write your IA title!) 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. 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. 17, What is the effect of pests on the diversity of plants in a lawn? SIENE IA UIDE 8 info@lanternaeducation.com 23. 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? NOTE: These topics are purely meant as inspiration and are not to be chosen blindly. Biological explanations could look at the way we grow, and if the brain changes size at the same rate as the lungs. 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. Therefore, 5 trials with 5 samples each make up 25 samples in total. We have a team of awesome tutors ready to help you ace the IB. Another simple biology experiment involves going into your natural environment, such as a local park, to observe diversity among plant samples. This would be a challenge and it would require some research before beginning. You will find 100 topics on various subjects below. IA is one that has been undertaken with complete zeal and enthusiasm. To get started, you'll need to make your agar and fill some petri dishes. Registration confirmation will be emailed to you. Change the different conditions in which the plants are found as well as the species. Facebook Heres a useful link for ventilation rates. Biology Internal Assessment Topics: 15+ Sample, Example Topics A quart-sized bowl works great. What effect does temperature have on the ripening process of a fruit?. How does the percentage of salinity in water affect the rate of growth of radishes in mass? HL Biology IA (23/24) - The Science Codex Check out some Physics IA ideas here!11, What is the effect of the salt concentration on germination of different types of seeds? This was my Biology HL IA which was given a 21/24 by the IB. This creates fermented products. The IB advise student and teachers, each year, to avoid this sort of lab. 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. There are also many factors to consider in the type of reaction speed test that is used and there are also problems associated with the learning of the skill during the experiment. If youre struggling with the Paper 2 Data Based Questions, we also have a post about that here. Then is is going to be a challenge to design a method of data collection which controls all the possible variables. To find out more, see our. These Biology IA Ideas Will Help You Get A High Grade In Your Biology IA. (1 More IB Past Papers). are the criteria against which the investigation is assessed. One possible solution is to measure another (or some other) factors about the body and look for a correlation. opening the floodgates to that sweet 45! Don't do it! 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. 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. 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 :) Need inspo for Physics too? Some preparation time will be required to germinate and plant the seeds. There are lots of practical problems to overcome, most importantly how to change the soil so that it has different amounts of respiration. 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. Browse these for more information! Studying the effect of enzymes on Cheese production. Level of destructive aggression, recklessness and aggression in general of team sportsmen is higher than individual ones. 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? State your hypothesis; it is important in the context of your research. Pour the bacteria onto the solidified agar plate. The individual investigation should cover a topic that is commensurate with the level of the course of study. If some abiotic factors can also be recorded including the pollution level, eg nitrate level, BOD, turbidity etc. The task will have the same assessment criteria for SL and HL. As the cell membrane disintegrates, alcohol can then enter the cell and . 14. PDF Probiotic Frozen Yogurt - Mahidol University Biology HL IA Idea Proposal - Bacteria vs Fertilizer - Stuvia Biology IA Topics: 20+ Great Ideas to Get You Started Many say that as we get older, our reaction times slow down, see if this is true! Thankfully, weve asked some of our favourite IB graduates for some of the ideas they pursued! If youre looking for guidance on how to actually write an IA once youve chosen your topic, check out our IA Checklist post! Several university Extension services are now offering easy-to-use websites for those . . This can become interesting because you can test how different conditions affect milks spoilage, Experimental setup:In this experiment, you can compare milk spoilage. They are the foundation of food chains in almost every ecosystem. Keep the research question brief and relevant. Every year the examiners' report mentions problematic Investigations, those which are unethical, or standard labs which are not applied to any specific interest. How does the acidity of different beverages affect the deterioration of tooth enamel? How effective are synthetic antibacterial products compared to natural antibacterial products against the growth of Cut bacterium acnes? HL Biology IA Help! 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. Observe how changing the colour of the light source impacts the success of phototropism! These are all genera and the specific species present definitely vary between cultures. 8, How do the buffering actions of milk, yogurt, juices, detergents etc. 9, Do our reaction times slow down with age? This could be compared to listening to music where research has been done to establish that pulse rate can be affected by music. You certainly dont want to miss out on these! Take inspiration from these and research further to land on that one idea that gets you going! DP Biology: Mobile phone bacteria experiment 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 choice of physiological features of the body could include heart rate, or pupil size, or skin redness. Test the stomatal density of different leaves exposed to variable conditions using a microscope. Independent Variables: Temperature, Sunlight variation, Skimmed vs Whole, Dependent Variable: Rate of bacterial growth (on agar plates), pH of milk. What brand of laundry detergent is the most effective in the digestion and removal of lipid stains? Ingredients: transparent glass, salt, liquid soap, grapefruit juice, and alcohol (e.g. Do individuals of different types all behave in the same way to a stimulus. How do natural antiseptics (ginger and turmeric) compare with commercial antiseptics in the inhibition of growth of e. coli bacteria? 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. Experimental setup:Follow this link to find out more about colour blindness and how to investigate it. Pour 250 ml hydrogen peroxide of 3% concentration into the 300 ml glass beaker. Independent Variable: Halophyte seed vs Normal Plant seed. Constraints, if any, need to be mentioned as well. Maths IA, how to combine biology with maths? - IB Survival 7, How do the respiration rates of bakers yeast and wine yeast in various sugar solutions compare? The IA explored what affect does Enzyme Trypsin has on protein Casein which is contained in milk. terms of service. The development of biotechnology. HL Psychology or HL History? | Sitting in that quiet corner, sipping on hot chocolate hoping it rains IB Biology IA ideas, instead, going blank and utterly confused? Experimental setup:Use a potometer to measure the rate of transpiration. 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. Some diseases spread through direct contact, others are transmitted by an insect vector. Use the epidemiological data to measure rates of change. 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.

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