Trial semester 3 2019 melaka
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sem 3
![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._________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________](https://image.slidesharecdn.com/trialsemester32019-melaka-191018020629/85/Trial-semester-3-2019-melaka-1-320.jpg)
![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](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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Trial semester 3 2019 melaka
- 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. 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. c) Cadangkan dua langkah bagi mengatasi masalah hujan asid. [4] i. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ii. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________
- 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. 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. c Cadangkan dua langkah yang boleh diambil bagi mewujudkan bandar lestari. [4] i.__________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ii._________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ KERTAS SOALAN TAMAT ,