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Biology · 2012 · May · Paper 1 · HL · TZ1 · Question paper

BiologyQuestion paper2012HLMay

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This question paper is listed under Biology in the 2012 examination archive. Its catalogue level is HL. 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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2212-6007 15 pages M12/4/BIOLO/HPM/ENG/TZ1/XX Thursday 17 May 2012 (afternoon) BIOLOGY HIGHER 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. • The maximum mark for this examination paper is [40 marks]. 1 hour © International Baccalaureate Organization 2012 2 2 1 2 6 0 07 2212-6007 – 2 – M12/4/BIOLO/HPM/ENG/TZ1/XX 1. The mean height for adult men in the United States is 1.78 m with a standard deviation of 8 cm. Which statement is true? A. The tallest man in the United States is 1.86 m tall. B. 68 % of men in the United States are between 1.74 m and 1.82 m tall. C. 68 % of men in the United States are between 1.70 m and 1.86 m tall. D. 100 % of men in the United States are within two standard deviations of 1.78 m. 2. Which functions are carried out by all unicellular organisms? A. growth homeostasis photosynthesis response B. growth homeostasis metabolism response C. metabolism photosynthesis reproduction response D. growth nutrition reproduction ventilation 3. Which property makes stem cells suitable for therapeutic use? A. They can divide by meiosis to form gametes. B. They contain chemicals that can kill bacteria. C. Their chromosomes are suitable for gene transfer and cloning. D. They can differentiate into specialized cells. 4. Which features are present in prokaryotic cells? A. DNA, plasma membrane and mitochondria B. DNA, cell wall and pili C. ribosomes, chloroplasts and cell wall D. cytoplasm, ribosomes and rough endoplasmic reticulum
File information
Subject
Biology
Document type
Question paper
Year
2012
Session
May
Level
HL
Paper
1
Examination zone
TZ1
Language
Not labelled in the archive
File size
817 KB
Pages
15
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