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Graad 9 Natuurwetenskappe (NW) Maart Vraestel en Memo - 2024

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Graad 9 NW Maart Vraestel en Memo: Totaal:  70 punte. Tyd:  60min Inhoud: Vraag 1:  Gee een woord vir die volgende stellings Vraag 2:  Plant- en diersel Vraag 3:  Pas kolom B by kolom A Vraag 4:  Bestudeer die diagram en beantwoord die vrae wat volg Vraag 5:  Stelsels in die menslike liggaam Vraag 6:  Voorplantingstelsel Hierdie is 'n oefenvraestel met memorandum bedoel om die leerling se kennis te toets, en sal nie dieselfde vraestel wees wat vir die eksamen geskryf word nie. NIZ MYN

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NATUURWETENSKAPPE

TERMYN TOETS – KWARTAAL 1

ONDERWYSERS: MEV N.HARMSE

GR. 9 PUNT: 70

TYD: 60 MINUTE

DATUM:MAART 2024

VRAAG 1: GEE EEN WOORD VIR DIE VOLGENDE STELLINGS.


1.1) Wanneer die eiersel met ‘n spermsel verenig. [2]

1.2) Embrio wat twee maande al gegroei het. [2]

1.3) Vrystelling van ‘n eiersel of ovum uit die eierstok in die eierleier. [2]

1.4) Proses wanneer die embrio aan die veering van die baarmoeder heg. [2]

1.5) Tydperk van ongeveer 28 dae tussen maandstondes. [2]

[2 x 5][10]


VRAAG 2: PLANT- EN DIERSEL


2.1) Teken ‘n plantsel met ‘n opskrif en VIER korrekte byskrifte. [8]


2.2) Definieer die woord chloroplaste. [3]


2.3) Noem een funksies van die vakuool. [1]


2.4) Waaruit bestaan die vakuool? [1]


[13]



1|Page www.summariessa.co.za Natuurwetenskappe
Graad 9 Maart Vraestel

, VRAAG 3: PAS ITEMS.


KIES ‘N ITEM UIT KOLOM B WAT BY ‘N STELLING IN KOLOM A PAS. SKRYF SLEGS DIE

LETTER (A-O) LANGS DIE VRAAGNOMMER (3.1 – 3.10) B.V 3.1) C


KOLOM A KOLOM B

3.1) Dun lewende membraan wat beheer wat in en uit die sel A: Mitochondria

gaan. B: Chlorofil

3.2) Stram laag wat die selmembraan van planselle omhul. C: Sitoplasma

3.3) Stel energie vry gedurende asemhaling. D: Plantsel

3.4) Styf en buig nie maklik nie. E: Diersel

3.5) Groen molekule wat in die sitoplasma van plantselle F: DNS

aangetref word. G: Chloroplaste

3.6) Strukture in die sel se sitoplasma wat die selfunksies H: Deoksiribonukleïensuur

uitvoer. I: Sellulose

3.7) Beheer die sel se aktiwiteite. J: Selmembraan

3.8) Jellieagtige medium wat die sel vul. K: Eienskappe

3.9) Kenmerke van dinge wat ons kan herken. L: Organelle

3.10) Besit ‘n selwand. M: Stram

N: Selwand

O: Kern

[10]




2|Page www.summariessa.co.za Natuurwetenskappe
Graad 9 Maart Vraestel

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