ใบงานเรอง โปรตน ไขมน และวตามน
ค ำสง ใหนกเรยนเขยนค าตอบใหถกตอง
1. จากรปภาพดานบนนกเรยนพบอาหารชดใดบางทใหสารอาหารประเภทโปรตน
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2. วธหรอสารทใชในการทดสอบสารอาหารประเภทโปรตนคอสงใดแลวใหผลเปนอยางไร
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3. โปรตนมธาตอะไรบางทเปนองคประกอบพนฐานของสารอาหาร
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4. ใหนกเรยนเรยงล าดบการยอยสารอาหารจากโมเลกลใหญทสดไปหาโมเลกลเลกทสด
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5. โปรตนแบงออกเปนกประเภท อะไรบาง และแตละชนดนนไดมาจากทใด
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6. หนวยทเลกทสดของโปรตน ทเมอรางกายยอยสลายแลวสามารถดดซมไปใชงานได
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7. กรดอะมโน แบงออกเปนกประเภท จงอธบายใหละเอยด
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8. จงบอกประโยชนของโปรตนมาใหไดมากทสด
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9. หากวยเดกนกเรยนขาดสารอาหารประเภทโปรตนจะสงผลอยางไรตอรางกายของนกเรยน
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10. นกเรยนมวธการตรวจสอบหาโปรตนจากอาหารไดอยางไรบาง จงอธบายกระบวนการ
ตรวจสอบอยางละเอยด
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11. เอนไซมจดเปนสารอาหารประเภทใด
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12. ขาวกบไขขาวเมอน าไปทดสอบจะใหผลแตกตางกนอยางไรจงอธบาย (ใหนกเรยนน าความร
เรองการตรวจสอบสารคารโบไฮเดรตมาใชรวมในการเขยนอธบายค าตอบ)
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13. จงอธบายค ากลาวทวา “การทนกเรยนจะสงขนนนนกเรยนจะตองกนสารอาหารทมแคลเซยม
ปรมาณมาก” นกเรยนมความคดเหนวาอยางไรกบค ากลาวขางตน ถกตองหรอไม จงอธบาย
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14. โปรตน 1 กรม จะใหพลงงาน 4 กโลแคลลอร ในเมอใหพลงงานเทากบคารโบไฮเดรต
เพราะฉะนนเราอาจจะเลอกกนอาหารประเภทโปรตนเพยงอยางเดยวไดหรอไม เพราะเหตใด จง
อธบาย
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15. ใหนกเรยนเรยงล าดบขนาดโมเลกลของโปรตนจากโมเลกลเลกไปหาโมเลกลใหญ
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16. จากภาพดานบนนกเรยนคดวาน ามนทใชในการประกอบอาหารนนผลตมาจากวตถดบชนด
ใดบาง จงอธบาย
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17. วธหรอสารทใชทดสอบสารอาหารประเภทไขมนคอสงใด
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18. ไตรกลเซอไรดจดเปนสารไขมนทประกอบดวยอะไรบาง
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19. ไขมนสามารถละลายน าไดหรอไม หากไมนกเรยนจะมวธการท าอยางไรใหน าและไขมน
สามารถผสมกนได
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20. องคประกอบทางเคมของสารอาหารประเภทไขมน มอะไรบาง
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21. โครงสรางทางเคมของไขมน (หนวยทเลกทสดของไขมน) ไดแกอะไรบาง
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22. ชนดของกรดไขมนแบงออกเปนกชนด ไดแกอะไรบาง
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23. หากแบงชนดของกรดไขมนตามความอมตวจะแบงได 2 ประเภทไดแก ไขมนชนดอมตวและ
ไขมนชนดไมอมตว ใหนกเรยนบอกคณสมบตทงสองชนดมาอยางละเอยด
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24. อาหารประเภทใดบางทมปรมาณคลอเรสเตอรอลสง
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25. อาหารประเภทใดบางทมปรมาณคลอเรสเตอรอลต า
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26. คลอเรสเตอรอลสงผลเสยอยางไรตอรางกายของมนษย
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27. หากมนษยขาดสารอาหารประเภทไขมนจะสงผลอยางไรตอรางกาย
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28. จงบอกความส าคญของไขมนใหไดมากทสด
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29. ไขมนเชงซอนแบงออกไดกประเภท แตละประเภทประกอบดวยอะไรบาง
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30. ไขมนเชงเดยวแบงออกไดกประเภท แตละประเภทประกอบดวยอะไรบาง
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31. ความตองการสารอาหารประเภทไขมนของประชากรในเขตหนาว และประชากรในเขตรอน
เปนไปตามขอใด
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32. เดกหญงตะมตะม กนไขทกวนวนละ 2 ฟอง จนปวยเปนโรคทมคลอเรสเตอรอลสง หลงจาก
หายปวยแลวตองระวงไมควรกนอาหารชนดใด ระหวาง ตบววและไกตอน
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33. จงอธบายการเปลยนไขมนใหเปนวตามน D อยางละเอยด
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34. คนทไมบรโภคไขมนเลยสงผลท าใหกระดกออนได เพราะเหตใดจงอธบาย
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35. สวนใดของรางกายมนษยทสามารถตรวจพบโปรตน ใหนกเรยนบอกมาอยางนอย 3 ชนด
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36. วตามน หมายถง อะไร
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37. วตามนหากแบงออกตามความสามารถในการละลายน า นกเรยนสามารถแบงวตามนออกเปนก
ประเภทแตละประเภทประกอบดวยอะไรบาง
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38. ใหนกเรยนเปรยบเทยบระหวางวตามนทละลายน าไดและวตามนทละลายน าไมไดลงในตาราง
ดานลางอยางละเอยด
วตามนทละลายน าได วตามนทละลายน าไมได
39. ใหนกเรยนเขยนรายละเอยดเกยวกบบทบาทหนาทของวตามน โรคและอาหารเมอขาดวตามน
แหลงอาหารทใหวตามนดงกลาว ลงในตารางดานลางใหสมพนธกบวตามนทอยทางดานซายมอ
ของนกเรยน
วตำมนทละลำยในน ำ
บทบทและหนำท โรคและอำหำรเมอขำด แหลงอำหำร
B1
B2
B5
B6
วตำมนทละลำยในน ำ
บทบทและหนำท โรคและอำหำรเมอขำด แหลงอำหำร
B12
C
วตำมนทละลำยในขมน
บทบทและหนำท โรคและอำหำรเมอขำด แหลงอำหำร
A
D
E
K
40. รงสอลตราไวโอเลตสามารถเปลยนเฮอรโกสเตอรอล ใหเปนวตามนชนดใด
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41. วตามนชนดใดทรางกายตองการมากทสดตอหนงวน เพราะเหตใดจงอธบาย
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42. วตามน A สวนใหญจะอยในรปสารทมชอวาอะไร และพบในพชลกษณะแบบใด
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43. ใหนกเรยนอธบายกระบวนการตรวจสอบวตามนซ
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44. ในรางกายของมนษยจ าเปนตองไดรบเกลอแร ขาดไมได เพราะเหตใด และจงอธบาย
ความส าคญของเกลอแรหรอแรธาต
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45. ใหนกเรยนบอกความส าคญของน าในการด ารงชวตของมนษยมาอยางละเอยด
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46. องคการใดเปนคนก าหนดความตองการอาหารในการบรโภคในหนงวน
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47. พลงงาน 1 แคลลอร หมายถงอะไร
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48. หากนกเรยนตองการวดปรมาณพลงงานของสารอาหารนกเรยนจะใชอปกรณทมชอวาอะไร
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49. ความตองการพลงงานในสารอาหารแตละวนของแตละคนนนขนอยกบปจจยใดบาง จงอธบาย
อยางละเอยด
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50. โรคทเกดจากภาวะทพโภชนาการไดแกโรคอะไรบาง มสาเหตมาจากอะไร จงอธบาย
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