OSN IPA SMP Ekosistem dan Lingkungan (part 1A)

Quiz
•
Science
•
8th Grade
•
Hard
FCF Bimbel
FREE Resource
100 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Peran organisme dekomposer dalam ekosistem sangat penting karena...
Menguraikan bahan organik menjadi senyawa anorganik
Menyerap energi matahari langsung
Mengkonsumsi produsen dan konsumen
Membentuk lapisan ozon
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Salah satu contoh interaksi kompetisi dalam ekosistem adalah...
Lebah mengambil nektar dari bunga
Dua elang berburu mangsa yang sama
Cacing tanah mengurai bahan organik
Simbiosis antara ikan badut dan anemon
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Peristiwa eutrofikasi pada perairan disebabkan oleh...
Penggundulan hutan
Penggunaan pupuk berlebih
Perburuan liar
Pencemaran udara
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suksesi ekologis primer terjadi ketika...
Sebuah ekosistem pulih dari kebakaran hutan
Tanah mengalami erosi
Daerah baru seperti lava mengeras mulai dihuni organisme
Hutan ditebang dan diganti menjadi sawah
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Organisme yang menduduki trofik pertama dalam rantai makanan adalah...
Herbivora
Karnivora
Produsen
Omnivora
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam suatu ekosistem, organisme yang berperan sebagai pengurai adalah...
Tumbuhan hijau
Hewan herbivora
Jamur dan bakteri
Manusia
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hubungan antara burung jalak yang memakan kutu di tubuh kerbau disebut...
Parasitisme
Komensalisme
Mutualisme
Predasi
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