CONTROL TEST – GRADE 10

CONTROL TEST / Kontroletoets – GRADE 11
LIFE SCIENCES / Lewenswetenskappe
CONTENT AREA
Plants
Total: 60 marks / punte
Time / Tyd: 1 H
INSTRUCTIONS AND INFORMATION / Instruksies en Inligting
1. Answer ALL the questions / Beantwoord al die vrae
2. Number the answers correctly / Nommer die vrae korrek
3. All drawings should be done in pencil and labeled in blue or black ink / Alle sketse
moet in potlood wees en die byskrifte in blou of swart ink
4. The diagrams in this question paper are NOT necessarily drawn to scale / Die
diagramme in die vraestel is nie noodwendig volgens skaal nie
SECTION / Afdeling A
Question / Vraag 1
1.1 Various possible options are provided as answers to the following questions.
Choose the correct answer and write only the letter (A – D) next to the question
(1.1.1 – 1.1.3). For example 1.1.5 D. / Vier moontlike antwoorde word by elke vraag
verskaf. Kies die beste antwoord en skryf die letter (A – D) langs die vraagnommer
(1.1.1 – 1.1.3) bv. 1.1.5. D.
1.1.1 Which of the following is not a plant tissue? / Watter van die volgende is nie 'n voorbeeld
van plantweefsel nie?
A Schlerenchyma / Schlerenchiem
B Xylem / Xileem
C Pericycle / Perisikel
D Parenchyma / Parenchiem
1.1.2 The most important function of xylem is that they… / Die belangrikste funksie van xileem is
…..
A transport / vervoer CO2.
B destroy bacteria / vernietig bakterie.
C carry oxygen / vervoer suurstof
D transport water and minerals / vervoer water en minerale

1.1.3 The stomata control the supply of the following raw material that is necessary for
photosynthesis: / Die huidmondjies beheer die verskaffing van die volgende
grondstowwe wat benodig word vir fotosintese:
A. Enzymes / Ensieme
B. Carbon dioxide / Koolstofdioksied
C. Oxygen / Suutstof
D. Mineral salts / Minerale soute
(2 x 3) (6)
Each of the following statements can be replaced by a biological term. Write only
the term beside the appropriate number on the answer sheet. / Elkeen die volgende
stellings kan vervang word met 'n biologiese term. Skry slegs die term langs die
gepaste nommer neer.
1.2.1 Unicellular root. / Eensellige wortel.
1.2.2 Pressure due to the intake of water by the roots. / Druk as gevolg van die inname van
water deur die wortels.
1.2.3 The process where a substance moves against the diffusion gradient. / Die proses waar 'n
stof teen die diffussie gradiënt beweeg.
1.2.4 The loss of water droplets from leaves when the soil is damp and the air is humid. / Die
verlies van water druppels by blare wanneer die grond en die lug vogtig is.
(1 x 4) (4)
1.3 Choose an item from COLUMN A that matches a description in COLUMN B. Write
only the letter (A – K) next to the question number (1.3.1 – 1.3.5), for eg. 1.3.6 J.
COLUMN A COLUMN B
1.3.1 Lignine / Lignien A. Fatty substance. Vetterige stof
1.3.2 Chlorophyll B. Found in xylem / Teenwoordig in
xileem
1.3.3 Parenchyma / Parenchiem C. Inside the epidermis / Binne die
epidermis.
1.3.4 Cortex / Korteks D. Part of the epidermis / Deel van die
epidermis.
1.3.5 Osmoregulation E. A genetic condition where one of
the blood clotting factors is absent.
F. Green pigment that absorbs radiant
energy. / Groen pigment wat
stralings energie absorbeer.
G. Least specialised of all cells / Selle
wat die minste gespesialeerd is
H. Regulation of the amount of water in
the cell. / Regulering van die
hoeveelheid water in 'n sel.
(1 x 5) (5)

1.4 State whether the following statements are true or false. / Watter van die volgende
stellings is waar en watter is vals?
1.4.1 Chloroplasts occur in all cells. / Chloroplaste word in alle selle aangetref.
1.4.2 Adhesion is the repulsion of water by hydrophobic substances. / Adhesie is die afstoot van
water deur hidrofobiese stowwe.
1.4.3 Transpiration pull is the main force enabling water to move up the xylem. / Suigkrag van
transpirasie is die hoof krag wat water in xileem laat beweeg.
1.4.4 The mechanism for translocation is pressure-flow (bulk flow). / Die translokasie
meganisme is druk-vloei.
1.4.5 Cactus thorns are leaves. / Kaktus dorings is blare.
SECTION / Afdeling B
(1 x 5) (5)
[20]
Question / Vraag 2 Study the diagrams below and answer the questions that follow. /
Bestudeer die volgende diagramme en beantwoord die volgende vrae.
A
C D
F
E
B
I
G
H

2.1 Is this a picture of a plant or animal cell? Supply one reasons for your
answer. Is hierdie 'n plant of 'n diersel? Gee een rede vir jou antwoord. (2)
2.2 Name the following labels: / Benoem die volgende byskrifte:
B, C and / en E (3)
2.3 What gasses are represented by G and H respectively? / Watter gasse word onderskeidelik
deur G en H voorgestel? (2)
2.4 Where on a leaf does one normally get this plant structure? / Waar op 'n plant vind 'n mens
gewoonlik hierdie plant struktuur? (1)
2.5 Explain the difference between C and D. / Verduidelik die verskil tussen C en D.
(4)
2.5.2 Give three structural modifications that affect the transpiration rate. / Gee drie strukturele
modifikasies wat transpirasie tempo affekteer. (3)
[15]
Question / Vraag 3
3.1The image below shows a young dicolydenous stem. Study the image and answer the
questions that follow. / Die volgende diagram toon 'n tweesaadlobbige stingel. Bestudeer dit
en beantwoord die volgend vrae.
3.2
A
B
C
D
E
F

3.1.1 Name A to C. / Benoem A tot C (3)
3.1.2 Give ONE functional difference between D and E. / Gee EEN funksionele verskil tussen
D en E (2)
3.2 The following questions are on structure E. / Die volgende vrae is oor struktuur E.
3.2.1 By what substance is the wall of E strengthened? / Met watter stof is die wande van E
versterk? (1)
3.2.2 Name three types of cells that can make up structure E. / Noem drie tipe selle waaruit
struktuur E kan bestaan. (3)
3.2.3 Which one of the cells mentioned in 3.2.2 is dead? / Watter een van die selle in 3.2.2
genoem, is dood? (1)
3.3
[10]
Michael wants to test the influence of wind on the
transpiration rate of a plant. He wants to use the
the apparatus as shown on the left. / Michael wil
die effek van wind op die tranpirasie tempo van ‘n
plant ondersoek. Hy wil die apparaat gebruik soos
in die linkerhandse skets.
3.3.1 Give a suitable hypothesis. / Verskaf ‘n
Gepaste hipotese. (2)
3.3.2 Name the independent and the dependent
variables. / Noem die onafhanklike en die
afhanklike veranderlike. (2)
3.3.3 Give two control variables. / Gee twee kontrole veranderlikes. (2)
3.3.4 Which two forces help keep the water column unbroken in a plant? / Watter twee kragte
verseker dat die waterkolom in ‘n plant ononderbroke bly? (2)
3.3.5 Why must one cut off a piece of the stem of a rose bought in a shop before you put it in a vase?
/ Hoekom moet ‘n mens ‘n stukkie van die stingel van ‘n roos wat in ‘n winkel gekoop is,
afsny voordat jy dit in ‘n blom pot sit? (3)
3.3.6 Explain why a plant wilts. / Verduidelik waarom ‘n plant verlep. (4)
TOTAL 60 MARKS