Biology · 2002 · November · Paper 2 · HL · Question paper
BiologyQuestion paper2002HLNovember
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Resource overview
This question paper is listed under Biology in the 2002 examination archive. Its catalogue level is HL. 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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BIOLOGY
HIGHER LEVEL
PAPER 2
Wednesday 13 November 2002 (afternoon)
2 hours 15 minutes
N02/410/H(2)
c
IB DIPLOMA PROGRAMME
PROGRAMME DU DIPLÔME DU BI
PROGRAMA DEL DIPLOMA DEL BI
882-135 9 pages
INSTRUCTIONS TO CANDIDATES
! Write your candidate name and number in the boxes above.
! Do not open this examination paper until instructed to do so.
! Section A: Answer all of Section A in the spaces provided.
! Section B: Answer two questions from Section B. Write your answers in a continuation
answer booklet, and indicate the number of booklets used in the box below. Write
your name and candidate number on the front cover of the continuation answer
booklets, and attach them to this question paper using the tag provided.
! At the end of the examination, i ndicate the numbers of the Secti on B questions answered in the
boxes below.
Number
Name
TOTAL
/72
TOTAL
/72
TOTAL
/72
NUMBER OF CONTINUATION
BOOKLETS USED .........
/20/20/20QUESTION .........
/20/20/20QUESTION .........
SECTION B
/32/32/32ALLSECTION A
IBCATEAM LEADEREXAMINERQUESTIONS ANSWERED
SECTION A
Candidates must answer all questions in the spaces provided.
1. Seed dispersal is important in the migration of pl ants from one area to another area. Plants have
evolved many methods, both physical and biological, by which to disperse their seeds.
50 maple seeds, which are wind dispersed, were dropped one at a time from two different heights,
0.54 m and 10.8 m respectively. The histograms be low show the distribution of the distance the
maple seeds travelled.
2
15
17
5
4
1
33
0 to 1920 to 3
9
40 to 5
9
60 to 7
9
80 to 9
9
100 to 119
120 to 139
140 to 159
160 to 179
180 to 200
0
2
4
6
8
10
12
14
16
18
Distance travelled / cm Distance travelled / m
[Source: student experiment, Guralnick]
[1](a) For each height, identify the distance travelled by the greatest number of seeds.
(i) Height = 0.54 m: ......................................................
(ii) Height = 10.8 m: ......................................................
[1](b) State the effect of height on seed dispersal.
.........................................................................
[2](c) Suggest two reasons for the effect of the drop height on
File information
Subject
Biology
Document type
Question paper
Year
2002
Session
November
Level
HL
Paper
2
Examination zone
Not labelled in the archive
Language
Not labelled in the archive
File size
382 KB
Pages
9
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