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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