9.2 Ekologi populasi
Quiz
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Biology
•
University - Professional Development
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Practice Problem
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Medium
zainida zulkifli
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jadual berikut menunjukkan keputusan kajian yang dijalankan untuk menganggarkan saiz populasi kutu kayu di sekeliling sepohon pokok.
Berapakah anggaran saiz populasi kutu kayu?
12
60
192
240
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jadual berikut menunjukkan keputusan kajian yang dijalankan untuk menganggarkan saiz populasi kutu kayu di sekeliling sepohon pokok.
Berapakah anggaran saiz populasi kutu kayu?
28
56
66
76
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sekumpulan pelajar telah mendirikan kuadrat berukuran 1m x 1m untuk mengkaji kepadatan tumbuhan X di padang sekolah. Bilangan tumbuhan X dalam setiap kuadrat dicatatkan dalam jadual di bawah.
Berapakah kepadatan tumbuhan X di padang itu?
4
6
8
10
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bilangan siput di taman herba boleh dianggarkan dengan menggunakan teknik persampelan kuadrat.Mengapakah teknik ini sesuai digunakan?
Siput tidak mudah dijangkiti penyakit
Siput bergerak perlahan
Siput mudah dilihat
Siput tidak berbisa
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hitung peratus frekuensi suatu tumbuhan sekiranya tumbuhan itu dijumpai dalam 8 kuadrat daripada 10 kuadrat yang digunakan.
40%
50%
80%
90%
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ali menangkap 10 ekor belalang yang kemudiannya ditanda sebelum dilepaskan kembali. Selepas 5 hari, Ali menangkap 8 ekor belalang dan 4 di didapati bertanda. Apakah saiz populasi belalang itu?
10
12
20
40
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lima kuadrat di atas menunjukkan luas liputan tumbuhan X di padang sekolah. Apakah peratus litupan tumbuhan X tersebut?
30%
40%
50%
60%
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