Biology · 2015 · November · Paper 3 · SL · Question paper

N15/4/BIOLO/SP3/ENG/TZ0/XX Biology Standard level Paper 3 Friday 6 November 2015 (afternoon) [Personal identifier removed] Instructions to candidates • Write your session number in the boxes above. • Do not open this examination paper until instructed to do so. • Answer all of the questions from two of the options. • Write your answers in the boxes provided. • A calculator is required for this paper. • The maximum mark for this examination paper is [36 marks]. Option Questions Option A — Human nutrition and health 1 – 3 Option B — Physiology of exercise 4 – 6 Option C — Cells and energy 7 – 9 Option D — Evolution 10 – 12 Option E — Neurobiology and behaviour 13 – 15 Option F — Microbes and biotechnology 16 – 18 Option G — Ecology and conservation 19 – 21 © International Baccalaureate Organization 201531 pages 8815 – 6006 32EP01 – 2 – N15/4/BIOLO/SP3/ENG/TZ0/XX Option A — Human nutrition and health 1. Nationally representative data was collected on body mass index (BMI) from 1985 to 2004. The graph shows overweight and obesity patterns in adult males and females from seven countries. Percentage of total population / % 100 90 80 70 60 50 40 30 20 10 0 male female male female male female male female male female male female male female USA Australia UK Brazil Morocco China Indonesia Key: males obese (BMI 30.0 and above) overweight (BMI 25.0 to 29.9) females obese (BMI 30.0 and above) overweight (BMI 25.0 to 29.9) [Source: Republished with permission of the American Society for Nutrition, from B. Popkin (2006) American Journal of Clinical Nutrition, 84, pages 289–298; permission conveyed through Copyright Clearance Center, Inc.] (a) State which country has the lowest total percentage of overweight and obese adults. [1] ..................................................................... (Option A continues on the following page) 32EP02