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LIFE SCIENCES P2 GR11 QP NOV 2023_Afrikaans
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LIFE SCIENCES P2 GR11 QP NOV 2023_Afrikaans
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NASIONALESENIORSERTIFIKAAT
GRAAD 11
NOVEMBER 2023
LEWENSWETENSKAPPE V2
PUNTE: 150
TYD: 2½ uur
Hierdie vraestel bestaan uit 15 bladsye.
,2 LEWENSWETENSKAPPE V2 (EC/NOVEMBER 2023)
INSTRUKSIES EN INLIGTING
Lees die volgende instruksies aandagtig deur voordat die vrae
beantwoord word.
1. Beantwoord AL die vrae.
2. Skryf AL die antwoorde in die ANTWOORDEBOEK wat voorsien is.
3. Begin ELKE vraag op ʼn NUWE bladsy.
4. Nommer die antwoorde korrek volgens die nommeringstelsel wat
in hierdie vraestel gebruik word.
5. Bied jou antwoorde aan volgens die instruksies van elke vraag.
6. Doen ALLE tekeninge in potlood en benoem hulle met blou of swart
ink.
7. Teken diagramme, tabelle of vloeidiagramme SLEGS wanneer gevra
word om dit te doen.
8. Die diagramme in hierdie vraestel is NIE noodwendig volgens skaal
geteken NIE.
9. MOENIE grafiekpapier gebruik NIE.
10. Jy mag ʼn nieprogrammeerbare sakrekenaar, gradeboog en ʼn passer
gebruik, waar nodig.
11. Rond alle berekeninge tot twee desimale plekke af.
12. Skryf netjies en leesbaar.
Kopiereg Blaai om
voorbehou asseblief
, (EC/NOVEMBER 2023) LEWENSWETENSKAPPE V2 3
AFDELING A
VRAAG 1
1.1 Verskeie opsies word as moontlike antwoorde op die volgende vrae
gegee. Kies die antwoord en skryf slegs die letter (A–D) langs die
vraagnommers
(1.1.1 tot 1.1.9) in die ANTWOORDEBOEK neer, byvoorbeeld 1.1.10 D.
1.1.1 Entstowwe werk omdat ...
A hulle teenliggaampies bevat wat siekteveroorsakende
organismes vernietig.
B hulle siekteveroorsakende organismes
vernietig deur hulle selmembrane
op te los.
C hulle veroorsaak dat die liggaam teenliggaampies
produseer om die liggaam teen siekteveroorsakende
organismes te beskerm.
D dit middels bevat wat siekteveroorsakende organismes
vernietig.
1.1.2 Watter van die volgende filums is diploblasties?
A Porifera
B Chordata
C Annelida
D Cnidaria
1.1.3 Watter eienskap beskryf die organisme in die onderstaande
diagram die beste?
A Triploblasties
B Radiaal simmetries
C Toon kefalisering
D Het ʼn notokord
Kopiereg Blaai om
voorbehou asseblief
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