1.1 Verskeie opsies word as moontlike antwoord op die volgende vrae gegee - NSC Agricultural Sciences - Question 1 - 2019 - Paper 1
Question 1
1.1 Verskeie opsies word as moontlike antwoord op die volgende vrae gegee. Kies die antwoord en skryf slegs die letter (A–D) langs die vraagnommers (1.1.1 tot 1.1.10... show full transcript
Worked Solution & Example Answer:1.1 Verskeie opsies word as moontlike antwoord op die volgende vrae gegee - NSC Agricultural Sciences - Question 1 - 2019 - Paper 1
Step 1
1.1.1 Die hoeveelhede voedsel wat geabsorbeer is (in kg) nadat 'n dier 15 kg hooi as droë materiaal gevoer is en 6 kg droë materiaal in die mis uitgegis het:
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Answer
Om die hoeveelheid voedsel te bereken wat geabsorbeer is, moet ons die hoeveelheid hooi wat geconsumeer is (15 kg) minus die hoeveelheid wat in die mis gelaat is (6 kg) neem. Dus, 15 kg - 6 kg = 9 kg. Die antwoord is A.
Step 2
1.1.2 Die onoorkombare komponente van ruwe sel:
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Die korrekte opsie is B, wat sellulose, hemiselulosien en lignien insluit. Hierdie komponente is nie deur diere maklik verteerbaar nie.
Step 3
1.1.4 Die volgende vide tydens absorpsie in die villi plaas:
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Die korrekte kombinasie is A: (i), (iii) en (iv). Dit sluit in dat bloedkapillêre aminosure absorbeer, limfvate vetsure en glicerol, en mikro-villi die oppervlakte vir absorpsie vergroot.
Step 4
1.1.5 EEN van die volgende is NIE 'n faktor wat produksie deur 'n intensiewe produksiestelsel verhoog NIE:
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Die korrekte antwoord is C, want onvoldoende skuiling is nie 'n faktor wat die produksie verhoog nie.
Step 5
1.2.1 A: Keratomalasie
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Slegs B.
Step 6
1.2.2 A: Pika
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Slegs A.
Step 7
1.2.3 A: Aktiewe opname
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Beide A en B.
Step 8
1.2.4 A: Passiewe opname
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Geen.
Step 9
1.2.5 A: Bek-en-klouseer
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Slegs A.
Step 10
1.3.1 'n Plan waar die boer seker maak dat die diere se voedingsbehoeftes deur die hele produksiesiklus nagekom word
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Voerdoor.
Step 11
1.3.2 Pluimvee-toerusting wat selfs in die nag maksimum verbruik verseker
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Beligting/ligte/gloilampe.
Step 12
1.3.3 Parasiete wat gewoonlik binne-in die spysverteringskanaal van 'n dier leef
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Interne/inwendige/endo.
Step 13
1.3.4 'n Draagtydheidsprobleem wat deur die oormatige versameling van vlooistof in die weefsel of tussen die fetale membraan veroorsaak word
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Fetus edeem/hidroftus.
Step 14
1.3.5 Die proses om ova by koeie te vorm.
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Oögeneses/ovogense.
Step 15
1.4.1 Minaalreels is die mineraalaanvullingswaarde van 'n soort voedsel wat tot die voeding van diere dien as benodig word.
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Kafeteria stelsel/vrye keuse.
Step 16
1.4.2 Bedrogde in die vra is die gewig wat die dier oorgedra het.
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Insulasie.
Step 17
1.4.3 Estrogeen lei tot die groei van die spekabbarre of die produkte wat die diere en hul wat veilig hou.
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Progesteroon.
Step 18
1.4.4 Abortie is die proses waar die baarmoeder die barometer ten spore resies om sigbare stimuleer.
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Absorsie.
Step 19
1.4.5 Akrosoom.
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