Biology · 2005 · November · Paper 3 · SL · Question paper
BiologyQuestion paper2005SLNovember
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This question paper is listed under Biology in the 2005 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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8805-6006 24 pages
N05/4/BIOLO/SP3/ENG/TZ0/XX+
Friday 11 November 2005 (morning)
BIOLOGY
STANDARD LEVEL
PAPER 3
IB DIPLOMA PROGRAMME
PROGRAMME DU DIPLÔME DU BI
PROGRAMA DEL DIPLOMA DEL BI
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 in the spaces provided. You may continue
your answers on answer sheets. Write your session number on each answer sheet, and attach them
to this examination paper using the tag provided.
• At the end of the examination, indicate the letters of the Options answered in the candidate box
on your cover sheet and indicate the number of answer sheets used in the appropriate box on your
cover sheet.
1 hour
[Personal identifier removed]
[Personal identifier removed]
0124
8805-6006
– 2 – N05/4/BIOLO/SP3/ENG/TZ0/XX+
Option A — Diet and Human Nutrition
A1. Analyses of the human body show that its composition varies at different stages of life, so
nutrient requirements may change according to age. The pie charts show the percentage of
water, protein, fat and minerals that make up the body in the human fetus, a baby and in an
adult.
Key:
water
protein
fat
minerals
Fetus (1 kg) Baby (3 kg) Adult (65 kg)
[Source: Adapted from A Walker, (1999), Human Nutrition, Cambridge University Press, page 5]
(a) Estimate the percentage of the total mass of the fetus that is water.
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[1]
(b) The chart shows that 15 % of the mass of the baby is fat. Calculate the mass of fat found
in the baby.
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[1]
(c) State in which stage of life the greatest total mass of water is found.
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[1]
(d) Compare the percentage body composition of babies with adults.
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
File information
Subject
Biology
Document type
Question paper
Year
2005
Session
November
Level
SL
Paper
3
Examination zone
Not labelled in the archive
Language
Not labelled in the archive
File size
731 KB
Pages
24
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