CONTROL TEST – GRADE 10

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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 [<strong>10</strong>] 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
Page 1 and 2: CONTROL TEST / Kontroletoets - GRAD
Page 3: 1.4 State whether the following sta

CONTROL TEST – GRADE 10

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