IB+extended+response+practise+activity

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> a. clarity of expression - the answer can be understood with little or no re-reading > b. structure of the answer - there is a logical sequence of ideas within a question
 * BEFORE ANSWERING PLAN YOUR APPROACH**
 * 1) Identify the command term.
 * 2) Underline the important words in each question.
 * 3) Write a bullet list summarising the content of your response (you can ask for extra paper in the exam).
 * 4) Remember that extended response questions merit extra marks given for:

Now try some the questions below. When you've finished a question mark schemes will be available so you can review and improve your work.


 * Example extended response questions:**
 * 1) Compare, with the aid of a diagram, the structure of generalized prokaryotic and eukaryotic animal cells. (8 marks)
 * 2) Describe the consequence of a base substitution mutation with regards to sickle cell anaemia. (7 marks)
 * 3) Explain the process of translation. (9 marks)
 * 4) Using a table, compare aerobic and anaerobic respiration in a eukaryotic cell. (5 marks)
 * 5) Outline the effect of temperature, light intensity and carbon dioxide concentration on the rate of photosynthesis. (6 marks)
 * 6) Explain how meiosis and fertilization can give rise to genetic variety. (6 marks)
 * 7) Explain the use of two named enzymes in biotechnology. (8 marks)
 * 8) Explain how energy and nutrients enter, move through, and exit a food chain in an ecosystem. (8 marks)
 * 9) Discuss the theory of evolution by natural selection. (8 marks)
 * 10) Describe the role of enzymes in digestion with reference to two named examples. (5 marks)
 * 11) Explain the relationship between the structure and functions of arteries, capillaries and veins. (9 marks)
 * 12) Outline the events that occur within the heart, which cause blood to move around the body. (6 marks)