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Biology · 2011 · May · Paper 1 · SL · TZ1 · Question paper

BiologyQuestion paper2011SLMay

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This question paper is listed under Biology in the 2011 examination archive. Its catalogue level is SL. The catalogue session is May. The information below helps you identify the document before opening the complete PDF. Subject, year and session labels come from the archive catalogue; the original cover remains the reference if a label differs. A file is not automatically suitable for your current syllabus simply because its subject name matches.

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2211-6010 14 pages M11/4/BIOLO/SPM/ENG/TZ1/XX Wednesday 18 May 2011 (afternoon) Biology Standard level PaPer 1 INSTRUCTIONS TO CANDIDATES • Do not open this examination paper until instructed to do so. • Answer all the questions. • For each question, choose the answer you consider to be the best and indicate your choice on the answer sheet provided. 45 minutes © International Baccalaureate Organization 2011 2211601 0 2211-6010 – 2 – M11/4/BIOLO/SPM/ENG/TZ1/XX 1. The table below shows the level of hemoglobin measured in two different groups of athletes. Hemoglobin / grams per 100 cm3 Number of athletes tested Standard deviation / grams per 100 cm3 Group A 12.6 200 0.8 Group B 11.9 220 3.2 Which of the following statements is correct? A. Results from group B are more accurate because more athletes were tested. B. Results from group B are more reliable because it has a higher standard deviation. C. More athletes have their hemoglobin concentration close to the mean in group A than in group B. D. These results indicate that the level of hemoglobin follows a normal distribution. 2. Which of the following will contribute to the cell theory? I. Living organisms are composed of cells. II. All cells come from pre-existing cells by mitosis. III. Cells are the smallest units of life. A. I only B. II only C. I and III only D. I, II and III
File information
Subject
Biology
Document type
Question paper
Year
2011
Session
May
Level
SL
Paper
1
Examination zone
TZ1
Language
Not labelled in the archive
File size
590 KB
Pages
14
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