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Biology · 2018 · November · Paper 1 · SL · Question paper

BiologyQuestion paper2018SLNovember

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This question paper is listed under Biology in the 2018 examination archive. Its catalogue level is SL. The catalogue session is November. 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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N18/4/BIOLO/SPM/ENG/TZ0/XX Biology Standard level Paper 1 © International Baccalaureate Organization 2018 15 pages 8818 – 6004 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 [30 marks]. 45 minutes Wednesday 14 November 2018 (afternoon) N18/4/BIOLO/SPM/ENG/TZ0/XX – 2 – 1. If cells of a multicellular organism have the same genes, how can there be many different cell types in a body? A. Some genes but not others are expressed in each cell type. B. Cells lose some genes as development occurs. C. Genes do not determine the structure of a cell. D. Cells must practice division of labour in order to survive. 2. The electron micrograph shows part of a cell. Which organelle is the site of aerobic respiration? [Source: adapted from C. Shugrue and F. Gorelick, Yale University-adult mouse Islet cell (adjacent acinar cell with zymogen granules on right side of the panel)]
File information
Subject
Biology
Document type
Question paper
Year
2018
Session
November
Level
SL
Paper
1
Examination zone
Not labelled in the archive
Language
Not labelled in the archive
File size
2.1 MB
Pages
15
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