PENGGAL 3

1. Bahagian A: Alam Sekitar Fizikal
[20 markah]
Jawab semua soalan.
1 (a) Apakah yang dimaksudkan dengan persaingan interspesies? [3]
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(b) Jelaskan bagaimana tumbuhan bersaing untuk kelangsungan hidup dalam ekosistem
hutan hujan tropika. [3]
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(c) Huraikan dua kepentingan tumbuhan primer terhadap aktiviti manusia. [4]
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(ii)...........................................................................................................................................
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2. 2 (a) Huraikan tiga kesan kebakaran hutan terhadap sistem atmosfera. [6]
(i)............................................................................................................................................
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(ii)...........................................................................................................................................
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(iii)..........................................................................................................................................
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(b) Jelaskan dua langkah perundangan untuk mengurangkan kejadian kebakaran hutan
di Malaysia. [4]
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(ii)...........................................................................................................................................
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3. BAHAGIAN B: ALAM SEKITAR MANUSIA
[20 markah]
Jawab semua soalan
3 (a) Nyatakan dua jenis gas rumah hijau yang dibebaskan melalui aktiviti
perindustrian? [2]
(i)........................................................................................................................................................
(ii).......................................................................................................................................................
(b) Selain perindustrian, jelaskan tiga aktiviti manusia yang boleh menghasilkan gas
rumah hijau. [6]
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(ii)......................................................................................................................................................
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(iii).....................................................................................................................................................
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(c) Cadangkan satu langkah perundangan yang boleh diambil bagi mengurangkan kesan
aktiviti perindustrian terhadap persekitaran fizikal di Malaysia. [2]
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4. 4 (a) Takrifkan konsep pembangunan berterusan (lestari). [2]
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(b) Nyatakan empat daripada lapan prinsip pembangunan berterusan (lestari). [4]
(i)........................................................................................................................................................
(ii).......................................................................................................................................................
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(c) Cadangkan dua langkah yang boleh diambil bagi mewujudkan bandar lestari. [4]
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(ii).......................................................................................................................................................
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SOALAN TAMAT