Maths Revision Essay

2499 WordsJun 8, 201410 Pages
Centre Number Surname Other Names Candidate Signature Candidate Number For Examiner’s Use Examiner’s Initials Question Mark General Certificate of Secondary Education Higher Tier June 2013 1 2 3 4 5 6 7 8 9 Science A Unit Biology B1 BL1HP Biology Unit Biology B1 Wednesday 5 June 2013 For this paper you must have:  a ruler. You may use a calculator. H 1.30 pm to 2.30 pm TOTAL Time allowed  1 hour Instructions  Use black ink or black ball-point pen.  Fill in the boxes at the top of this page.  Answer all questions.  You must answer the questions in the spaces provided. Do not write outside the box around each page or on blank pages.  Do all rough work in this book. Cross through any work you do not want to be marked. Information  The marks for questions are shown in brackets.  The maximum mark for this paper is 60.  You are expected to use a calculator where appropriate.  You are reminded of the need for good English and clear presentation in your answers.  Question 3 should be answered in continuous prose. In this question you will be marked on your ability to: – use good English – organise information clearly – use specialist vocabulary where appropriate. Advice  In all calculations, show clearly how you work out your answer. (JUn13BL1Hp01) G/K93071 6/6/6/6 BL1HP 2 Answer all questions in the spaces provided. Do not write outside the box 1 In the 1800s, many women died from disease after giving birth. Dr Semmelweis compared the death rates of women in two hospital wards, Ward A and Ward B. Table 1 shows some of the results. Table 1 Percentage (%) of women who died Year Ward A 1834 1836 1844 1846 7.7 7.5 8.4 11.3 Ward B 7.4 7.8 2.1 2.8 Before 1840 Doctors and nurses worked in Ward A and in Ward B. The doctors often worked in other wards with patients who had diseases. The doctors did

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