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    I need some help with the iGCSE Alternative to practical Biology exam tomorrow. Where do I start revising. What do i need to get an A on it? Also can practical questions come from anywhere in the syllabus ?
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    (Original post by 15demon)
    I need some help with the iGCSE Alternative to practical Biology exam tomorrow. Where do I start revising. What do i need to get an A on it? Also can practical questions come from anywhere in the syllabus ?
    You need to know all the food tests, test for oxygen and carbon dioxide. You also need to know how to draw diagrams so to get the marks aswell as designing and drawing conclusions from experiments. The questions can come from anywhere but they seem to mainly be focused on plant biology and enzymes
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    (Original post by 15demon)
    I need some help with the iGCSE Alternative to practical Biology exam tomorrow. Where do I start revising. What do i need to get an A on it? Also can practical questions come from anywhere in the syllabus ?
    Make sure you know the invertebrate animals, they love asking questions about nematodes, annelids, molluscs etc.
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    On the specification it says that you only need to know about arthropods?
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    (Original post by racer798)
    On the specification it says that you only need to know about arthropods?
    No, just from the past papers that I've done, I'm definitely not going into that exam not knowing the features of worms, snails and slugs (human terms for what biology likes to make complicated).

    I may be completely wrong given the fact I can't predict what's going to be on the exam, just personal experience. But what 'suht' said was true as well
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    (Original post by S_Dodd)
    No, just from the past papers that I've done, I'm definitely not going into that exam not knowing the features of worms, snails and slugs (human terms for what biology likes to make complicated).

    I may be completely wrong given the fact I can't predict what's going to be on the exam, just personal experience. But what 'suht' said was true as well
    yeah in the majority of past papers I've been doing there has been a question on invertabrates
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    Thanks loads . I'm now done with the food tests and tests for O2 and CO2. It says in the specifications "• identify sources of error and suggest possible improvements in procedures" What exactly do I need to know in order to answer questions involving identifying errors and suggesting improvement?
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    (Original post by 15demon)
    Thanks loads . I'm now done with the food tests and tests for O2 and CO2. It says in the specifications "• identify sources of error and suggest possible improvements in procedures" What exactly do I need to know in order to answer questions involving identifying errors and suggesting improvement?
    You just need to know how to identify errors on simple experiments that you should've done in class. As for suggesting improvements just think of ways to improve reliability- e.g. doing repeats, taking averages keeping as few variables as possible
 
 
 
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