Then you have to work out why this arrangement might help photosynthesis. Do not extend you graph beyond the plotted points. Artery has thick wall thick muscle layer vein has thin wall very thin muscle A table like the one below will not get any marks as there are no comparisons of the same features. Lowest temperature change means best insulated. ° Keep your thumb on top of the test tube, or use a stopper, to retain the gas. These are the names used in biology.
Use the same rules as in the tips for written papers for tables, graphs, calculations and comparisons. You may have to use information from them to answer the questions. Check the number of marks. If you write in the margin, at the bottom of a page, or on blank pages, part of your answer might be missed. If you are told it is a herbivore, then you know it eats plants.
Some of the parts have similar answers so you need to work out the difference between them. If there is anything left in the apparatus the next stage may not work. State why magnesium ions are important for healthy plant development. If you are asked to do a calculation: o You may have to find the figures from a table or graph. Remember that underlining important words will help you to be clear about what you are being asked to do.
A question may give to table of data and then ask you about it. Seedlings are allowed to grow for a further five days, with the jars placed a the right way up b upside down and c on its side. When you are writing your answers remember that another person has to be able to read it. Try to imagine doing the practical which has produced the results in the questions. Make sure you know which examination papers you are taking before you look at the tips for the different papers All of you will take paper 1, which is all multiple choice questions. The coleoptiles are measured, and lengths recorded.
Cover both the plants with bell jars and label them as A and 8. They also develop an understanding of the scientific skills essential for further study at Cambridge International A Level, which are useful in everyday life. Keep you answer in the lines on the question paper. In each case the roots will turn to go downwards, and the shoot turns to grow upwards,. If you are asked to read figures from a graph: o Make sure you work out the scale.
You will get more marks if you can use them correctly in you examination. Other common examples are ovum, ova, ovary and ovule, testes and testa; sucrose and sucrase. Make sure you have learnt the meanings of the common terms used in biology, e. There will be a few parts of questions that need extended writing. Even if you get the final answer wrong, you may be given a mark for knowing what to do.
Do not be put off. The questions are meant to let you show the biology you know. They are in PowerPoint format and should be run as a slideshow. There will be enough information in the question for you to work out an answer. If you are asked to compare two things make sure you make it clear which you are talking about.
If you write long sentences you can get mixed up. Check the number of marks. The process is called eutrophication. Some biological terms have very similar spelling. Planning investigations Some times you are asked to suggest a way of carrying out an investigation or to improve the method that is in the question paper. Tips for paper 6 In this paper you are making observations from information given in the paper, recording results and drawing conclusions.
Follow the same rules as before. Do not try to mix the spellings of two words when you are not sure which of them is the correct answer, e. For teachers at registered Cambridge schools, support materials for specific syllabuses are available from the username and password required. This means writing several sentences together. Each set contains approximately 20 questions. Do not waste time by writing about things unrelated to the question. That is the correct conclusion drawn from your observations.
Take a potted plant with variegated green and white leaves. Do not be put off the question is about something you have not studied. And I hope it would be useful and influencing as anticipated. Another part of the question could be about the structure of one of the animals or about factors in its environment. Light cannot pass to aquatic plants lower down. Try to be precise, in other word be accurate in what you say.