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؟ ......................................................................................................................................................