Fouroud (5)

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‫ﻤﺴﺘﻭﻯ‪ :‬ﺍﻟﺜﺎﻟﺜﺔ‬ ‫ﺜﺎﻨﻭﻱ ﺇﻋﺩﺍﺩﻱ‬

‫ﻣﺎدة ﻋﻠﻮم اﻟﺤﯿﺎة و اﻷرض‬ ‫اﻟﺘﻤﺮﯾﻦ اﻷول‪:‬‬

‫‪ (1‬ﻋﺮف اﻟﻤﺼﻄﻠﺤﺎت اﻟﺘﺎﻟﯿﺔ‪:‬‬ ‫ اﻟﺘﻨﻔﺲ‪................................................................................................................................. :‬‬‫‪...........................................................................................................................................................‬‬ ‫ اﻷﻧﺰﯾﻢ‪............................................................................................................................................ :‬‬‫‪...........................................................................................................................................................‬‬ ‫ اﻻﻣﺘﺼﺎص‪...................................................................................................................................... :‬‬‫‪...........................................................................................................................................................‬‬ ‫‪ (2‬اﺷﺮح ﻟﻤﺎذا ﯾﻨﻌﺖ اﻟﮭﻀﻢ ﺑﺘﺒﺴﯿﻂ ﺟﺰﯾﺌﻲ ﻟﻸﻏﺬﯾﺔ‪......................................................................................... :‬‬ ‫‪..........................................................................................................................................................‬‬ ‫اﻟﺘﻤﺮﯾﻦ اﻟﺜﺎﻧﻲ‪:‬‬ ‫ﺿﻊ ﻋﻼﻣﺔ ) ×( أﻣﺎم اﻻﻗﺘﺮاﺣﺎت اﻟﺼﺤﯿﺤﺔ و ﺻﺤﺢ اﻻﻗﺘﺮاﺣﺎت اﻟﺨﺎﻃﺌﺔ‪:‬‬ ‫أ‪ -‬اﻟﻠﯿﺒﺎز أﻧﺰﯾﻢ ﻣﺴﺆول ﻋﻦ ھﻀﻢ اﻟﺴﻜﺮﯾﺎت ‪...........................................................................‬‬ ‫ب‪ -‬ﯾﺤﺪد اﺧﺘﻼف اﻟﻀﻐﻂ اﺗﺠﺎه اﻟﺘﺒﺎدﻻت اﻟﻐﺎزﯾﺔ اﻟﺘﻨﻔﺴﯿﺔ ‪............................................................‬‬ ‫ت‪ -‬ﺗﺘﻌﺮض ﻛﻞ اﻷﻏﺬﯾﺔ ﻟﻠﮭﻀﻢ ‪............................................................................................‬‬ ‫ث‪ -‬ﯾﻨﺘﺞ ﻋﻦ ھﻀﻢ اﻟﺪھﻨﯿﺎت ﺗﻜﻮن أﺣﻤﺎض أﻣﯿﻨﯿﺔ ‪......................................................................‬‬ ‫ﺻﺤﺢ اﻻﻗﺘﺮاﺣﺎت اﻟﺨﺎﻃﺌﺔ‪:‬‬ ‫‪...........................................................................................................................................................‬‬ ‫‪............................................................................................................................................................‬‬ ‫‪............................................................................................................................................................‬‬ ‫‪............................................................................................................................................................‬‬ ‫اﻟﺘﻤﺮﯾﻦ اﻟﺜﺎﻟﺚ‪:‬‬ ‫ﯾﻤﺜﻞ اﻟﻤﺒﯿﻨﺎن أﺳﻔﻠﮫ ﻧﺘﺎﺋﺞ ﺗﺠﺮﯾﺒﯿﺔ ﻟﻠﮭﻀﻢ اﻟﺨﺎرﺟﻲ )ﻓﻲ أﻧﺎﺑﯿﺐ اﻻﺧﺘﺒﺎر( ﻟﻠﺒﺒﺘﯿﺪات ﺑﺎﺳﺘﻌﻤﺎل ﻋﺼﺎرة ﺑﻨﻜﺮﯾﺎﺳﯿﺔ ) اﻟﻤﻌﻲ اﻟﺪﻗﯿﻖ(‪:‬‬ ‫ﺗﺮﻛﯿﺰ اﻷﺣﻤﺎض اﻷﻣﯿﻨﯿﺔ ب ‪.g/l‬‬ ‫‪1‬‬

‫ﺗﺮﻛﯿﺰ اﻟﺒﺒﺘﯿﺪات ب ‪.g/l‬‬

‫‪1‬‬

‫اﻟﺰﻣﻦ ب اﻟﺪﻗﺎﺋﻖ‬

‫‪1‬‬

‫‪2‬‬

‫‪0.75‬‬

‫‪0.75‬‬

‫‪0.5‬‬

‫‪0.5‬‬

‫‪0.25‬‬

‫‪0.25‬‬

‫اﻟﺰﻣﻦ ب اﻟﺪﻗﺎﺋﻖ‬ ‫‪5‬‬

‫‪4‬‬

‫‪3‬‬

‫‪2‬‬

‫‪1‬‬

‫‪5‬‬

‫‪4‬‬

‫‪3‬‬

‫‪2‬‬

‫‪1‬‬

‫‪ -1‬اﻋﺘﻤﺎدا ﻋﻠﻰ اﻟﻤﺒﯿﺎن ﺟﺎﻧﺒﮫ أﺗﻤﻢ اﻟﺠﺪول اﻟﺘﺎﻟﻲ‪:‬‬ ‫اﻟﺰﻣﻦ ﺑﺎﻟﺪﻗﺎﺋﻖ‬ ‫ﺗﺮﻛﯿﺰ اﻟﺒﺒﺘﯿﺪات ﻓﻲ اﻟﻤﻌﻲ اﻟﺪﻗﯿﻖ ب‪g/l‬‬ ‫ﺗﺮﻛﯿﺰ اﻷﺣﻤﺎض اﻷﻣﯿﻨﯿﺔ ﻓﻲ اﻟﻤﻌﻲ اﻟﺪﻗﯿﻖ ب‪g/l‬‬

‫‪0‬‬

‫‪3‬‬

‫‪5‬‬

‫‪ -2‬ﺻﻒ ﺗﻄﻮر ھﺬه اﻟﻤﻮاد اﻟﻐﺬاﺋﯿﺔ‪:‬‬ ‫‪.......................................................................................................................................................‬‬ ‫‪.......................................................................................................................................................‬‬ ‫‪ -3‬ﻛﯿﻒ ﺗﻔﺴﺮ اﻟﻨﺘﺎﺋﺞ اﻟﻤﺤﺼﻞ ﻋﻠﯿﮭﺎ؟‬ ‫‪......................................................................................................................................................‬‬


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