Kiểm tra học kỳ I - Môn: Sinh học - Lớp: 9 - Trường THCS Hàm Hiệp
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TRÖÔØNG THCS HAØM HIEÄP KIEÅM TRA HOÏC KYØ I - Naêm hoïc: 2008 – 2009 Hoï vaø teân: ........................................... Moân: SINH HOÏC - Lôùp: 9 Lôùp: ............. Thôøi gian laøm baøi: 45 phuùt Ñieåm: (Hoïc sinh laøm baøi tröïc tieáp treân tôø giaáy naøy.) Caâu 1: Moâ taû caáu truùc NST. Neâu vai troø cuûa NST ñoái vôùi söï di truyeàn caùc tính traïng? (2 ñieåm) Caâu 2: Giaûi thích thí nghieäm cuûa Mooc gan veà söï di truyeàn lieân keát döïa treân cô sôû teá baøo hoïc? (2 ñieåm) Caâu 3: a) ARN ñöôïc toång hôïp döïa treân nhöõng nguyeân taéc naøo? Neâu baûn chaát moái quan heä theo sô ñoà Gen ® ARN. (1 ñieåm) b) Moät ñoaïn maïch cuûa Gen coù caáu truùc nhö sau: Maïch 1: – A – G – T – X – A – T – A Maïch 2: – T – X – A – G – T – A – T Xaùc ñònh trình töï caùc ñôn phaân cuûa ñoaïn maïch ARN ñöôïc toång hôïp töø maïch 2. (1 ñieåm) Caâu 4: Ñoät bieán laø gì? Thöôøng bieán laø gì? Söï khaùc nhau giöõa thöôøng bieán vaø ñoät bieán. (2 ñieåm) Caâu 5: Neâu moät soá haäu quaû di truyeàn do oâ nhieãm moâi tröôøng? Theo em caàn coù nhöõng bieän phaùp naøo ñeå haïn cheá oâ nhieãm moâi tröôøng? (2 ñieåm) Baøi laøm: .................................................................................................................................................................... .................................................................................................................................................................... .................................................................................................................................................................... .................................................................................................................................................................... .................................................................................................................................................................... .................................................................................................................................................................... .................................................................................................................................................................... .................................................................................................................................................................... .................................................................................................................................................................... .................................................................................................................................................................... .................................................................................................................................................................... .................................................................................................................................................................... .................................................................................................................................................................... .................................................................................................................................................................... .................................................................................................................................................................... .................................................................................................................................................................... .................................................................................................................................................................... .................................................................................................................................................................... .................................................................................................................................................................... .................................................................................................................................................................... .................................................................................................................................................................... .................................................................................................................................................................... ....................................................................................................................................................................
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