Gr 8 Natuurwetenskappe Hfst 1.1 Opsomming: Fotosintese en Respirasie
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Questions and Answers

Watter organisme kan direk die son se energie gebruik vir hul biologiese prosesse?

  • Alle lewende organismes
  • Diere
  • Menslike organismes
  • Plante (correct)

Watter pigment absorbeer ligenergie vir fotosintese?

  • Chloroplast
  • Glukose
  • Chlorofil (correct)
  • Starch

Waar vind fotosintese in plantcells plaas?

  • In die selwand
  • In die chloroplaste (correct)
  • In die mitochondria
  • In die cytoplasm

Watter vorm van energie word gesentreer in glukose?

<p>Chemiese potensiële energie (A)</p> Signup and view all the answers

Watter proses is die teenoorgestelde van fotosintese?

<p>Respirasie (C)</p> Signup and view all the answers

Watter term beskryf die energie van die son in die vorm van lig?

<p>Radiante energie (D)</p> Signup and view all the answers

Watter vorm van glukose is onoplosbaar in water?

<p>Starch (A)</p> Signup and view all the answers

Watter organelle in plantcells is verantwoordelik vir fotosintese?

<p>Chloroplaste (A)</p> Signup and view all the answers

Wat is die rol van chlorofil in fotosintese?

<p>Om ligenergie te absorbeer en chemiese reaksies te initieer (D)</p> Signup and view all the answers

Waar word glukose gestoor?

<p>In wortels, stamme en vrugte (C)</p> Signup and view all the answers

Waarvoor word iodien gebruik?

<p>Om die teenwoordigheid van starch te bepaal (C)</p> Signup and view all the answers

Wat is die hoofbron van energie vir organismes?

<p>Voedsel (A)</p> Signup and view all the answers

Wat is die produk van respirasie?

<p>Koolstofdioksied, water en energie (C)</p> Signup and view all the answers

Wat is die funksie van limewater in die toets vir koolstofdioksied?

<p>Om koolstofdioksied te meet (D)</p> Signup and view all the answers

Wat is die rol van respirasie in organismes?

<p>Om energie vrystel uit voedsel (B)</p> Signup and view all the answers

Wat is die eienskap van glukose?

<p>Oplosbaar in water en soet smaak (B)</p> Signup and view all the answers

Wat is die produk van fotosintese?

<p>Glukose en suurstof (B)</p> Signup and view all the answers

Waarom word koolstofdioksied afgevoer uit die organism?

<p>Om sel funksies te handhaaf (D)</p> Signup and view all the answers

Watter proses gebruik plantaardige organismes om energie uit glukose vas te stel?

<p>Respirasie (B)</p> Signup and view all the answers

Watter stof word gebruik om die teenwoordigheid van sterk te toets?

<p>Iodien (A)</p> Signup and view all the answers

Watter proses is nodig om energie uit voedsel vry te stel?

<p>Respirasie (D)</p> Signup and view all the answers

Watter produk van fotosintese word gebruik as energiebron vir plantaardige organismes?

<p>Glukose (C)</p> Signup and view all the answers

Watter eienskap van sterk maak dit ideaal vir langtermynstoor?

<p>Onoplosbaar in water (B)</p> Signup and view all the answers

Watter toets word gebruik om die teenwoordigheid van koolstofdioksied te detecteer?

<p>Limewater (A)</p> Signup and view all the answers

Watter produk van respirasie word as energie gebruik?

<p>Energie (A)</p> Signup and view all the answers

Watter proses is die omgekeerde van respirasie?

<p>Fotosintese (C)</p> Signup and view all the answers

Watter stof word gevorm tydens fotosintese?

<p>Glukose (D)</p> Signup and view all the answers

Watter funksie het respirasie in organismes?

<p>Om energie uit voedsel vry te stel (B)</p> Signup and view all the answers

Watter proses konvolueer ligenergie in chemiese potensiële energie?

<p>Fotosintese (A)</p> Signup and view all the answers

Watter organel in plantcells bevat die pigment wat ligenergie absorbeer?

<p>Chloroplast (D)</p> Signup and view all the answers

Watter vorm van energie word gebruik deur organismes om hul biologiese prosesse te ondersteun?

<p>Chemiese potensiële energie (D)</p> Signup and view all the answers

Watter produk word gevorm tydens fotosintese?

<p>Glukose (B)</p> Signup and view all the answers

Watter term beskryf die eienskap van glukose om in water oplosbaar te wees?

<p>Oplosbaar (A)</p> Signup and view all the answers

Watter proses is die komplement van fotosintese in organismes?

<p>Respirasie (D)</p> Signup and view all the answers

Watter bron van energie is noodsaaklik vir alle lewensvorme?

<p>Die son (B)</p> Signup and view all the answers

Watter strukture in plantcells stoor glukose?

<p>Starchkorrels (C)</p> Signup and view all the answers

Watter vorm van energie is nodig vir fotosintese?

<p>Radiant energie (D)</p> Signup and view all the answers

Watter is die produk van fotosintese wat plantaardige organismes as energiebron gebruik?

<p>Glukose en oksigen (A)</p> Signup and view all the answers

Watter is die rol van chlorofil in fotosintese?

<p>Om ligenergie te absorbeer (A)</p> Signup and view all the answers

Watter proses is die omgekeerde van fotosintese in organismes?

<p>Respirasie (C)</p> Signup and view all the answers

Watter strukture in plantcells stoor glukose?

<p>Starchkorrels (B)</p> Signup and view all the answers

Watter is die term wat die eienskap van glukose beskryf om in water oplosbaar te wees?

<p>Soluble (C)</p> Signup and view all the answers

Watter is die hoofbron van energie vir alle lewensvorme?

<p>Die son (D)</p> Signup and view all the answers

Watter proses is nodig om energie uit voedsel vry te stel?

<p>Respirasie (A)</p> Signup and view all the answers

Watter produk van fotosintese word gebruik as voedsel vir die plant?

<p>Glukose (C)</p> Signup and view all the answers

Watter proses is verantwoordelik vir die omskakeling van glukose in energie?

<p>Respirasie (B)</p> Signup and view all the answers

Watter stof word gebruik om die teenwoordigheid van sterk in plantweefsels te toets?

<p>Iodien (B)</p> Signup and view all the answers

Watter vorm van energie word versamel in glukose tydens fotosintese?

<p>Chemiese potensiele energie (C)</p> Signup and view all the answers

Watter proses is nodig om koolstofdioksied uit die organism te verwyder?

<p>Transpirasie (A)</p> Signup and view all the answers

Watter produk van respirasie word gebruik as energievorm?

<p>Energie (B)</p> Signup and view all the answers

Watter eienskap van sterk maak dit ideaal vir langtermynstoor?

<p>Onoplosbaar in water (D)</p> Signup and view all the answers

Watter organelle in plantcells is verantwoordelik vir fotosintese?

<p>Chloroplaste (D)</p> Signup and view all the answers

Watter proses is die omgekeerde van fotosintese?

<p>Respirasie (C)</p> Signup and view all the answers

Watter produk van fotosintese word gebruik as asemhalingstof?

<p>Oksigen (D)</p> Signup and view all the answers

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