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Trial semester 3 2019 melaka

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Trial semester 3 2019 melaka

  1. 1. Bahagian A : Alam Sekitar Fizikal ( 20 markah ) Jawab semua soalan. 1. a. Apakah yang dimaksudkan dengan persaingan interspesies ? [3] ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ b. Jelaskan bagaimana tumbuhan bersaing untuk kelangsungan hidup dalam ekosistem hutan hujan tropika. [3] ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ c. Huraikan dua kepentingan tumbuhan primer terhadap aktiviti manusia. [4] i.__________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ii._________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________
  2. 2. INDEKS PENCEMARAN UDARA (IPU) 2. a) Berdasarkan jadual di atas, nyatakan dua punca yang menyebabkan berlakunya peningkatan Indeks Pencemaran Udara. [2] i. ________________________________________________________________________ ii. ________________________________________________________________________ b) “Peningkatan IndeksPencemaran Udara akan menyebabkan berlakunya kejadian hujan asid”. Jelaskan kesan fenomena kejadian hujan asid terhadap komponen berikut: [4] i) Biosfera ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ii) Litosfera ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ BACAAN KEADAAN UDARA 0 – 50 Baik 51 – 100 Sederhana 101 – 200 Tidak sihat 201 – 300 Sangat tidak sihat Melebihi 301 Bahaya
  3. 3. c) Cadangkan dua langkah bagi mengatasi masalah hujan asid. [4] i. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ii. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________
  4. 4. Bahagian B: Alam Sekitar Manusia [20 markah] Jawab semua soalan 3 a. Apakah yang dimaksudkan dengan sumber alam yang tidak boleh diperbaharui? [2] __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ b. Jelaskan aktiviti perlombongan petroleum dan gas asli memberikan kesan negatif ke atas alam sekitar fizikal. [4] i. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ii. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________
  5. 5. c. Jelaskan dua langkah yang boleh diambil untuk mengurangkan kebergantungan kepada sumber tenaga petroleum dan gas asli. [4] i. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ii. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 4. a. Takrifkan konsep pembangunan berterusan ( lestari ) [2] ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ b Nyatakan empat daripada lapan prinsip pembangunan berterusan ( lestari ). [4] i.__________________________________________________________________________ ii. _________________________________________________________________________ iii._________________________________________________________________________ iv._________________________________________________________________________
  6. 6. c Cadangkan dua langkah yang boleh diambil bagi mewujudkan bandar lestari. [4] i.__________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ii._________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ KERTAS SOALAN TAMAT ,

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