OSN IPA Siklus Biogeokimia (part 4)
Quiz
•
Science
•
8th Grade
•
Hard
FCF Bimbel
FREE Resource
77 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Proses denitrifikasi sangat penting dalam siklus nitrogen karena...
Mengubah nitrogen menjadi amonia
Mengurangi jumlah nitrogen bebas di atmosfer
Mengembalikan nitrogen ke atmosfer dari tanah
Menyerap nitrogen dari air
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Salah satu alasan mengapa nitrogen dalam atmosfer tidak langsung bisa dimanfaatkan oleh tumbuhan adalah karena...
Tumbuhan hanya menyerap oksigen
Nitrogen atmosfer terlalu berat
Nitrogen atmosfer dalam bentuk inert (N2)
Tumbuhan tidak memiliki klorofil
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gas NO2 yang terbentuk dalam proses pembakaran dapat mempengaruhi siklus nitrogen dengan cara...
Menghasilkan gas CO2
Menyebabkan hujan asam
Mempercepat fiksasi nitrogen
Menghambat denitrifikasi
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Peran penting mikroorganisme dalam siklus karbon adalah...
Menyerap karbon dari udara
Mengubah karbon menjadi fosfor
Menguraikan bahan organik dan melepaskan CO2
Mengendapkan karbon dalam bentuk logam
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Komponen yang tidak termasuk dalam siklus sulfur adalah...
H₂S
SO₂
CO₂
H₂SO₄
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang terjadi ketika jumlah karbon yang dilepaskan lebih besar dari yang diserap?
Penurunan kadar gas rumah kaca
Stabilisasi iklim
Terjadinya pemanasan global
Penurunan kadar CO₂ atmosfer
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Peran laut dalam siklus karbon adalah...
Menghasilkan karbon
Menyimpan karbon sebagai cadangan
Mengubah karbon menjadi oksigen
Meningkatkan pembakaran karbon
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