
Quiz Perairan dan Ekosistem
Quiz
•
Education
•
University
•
Hard
Alexander Marda
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah yang dimaksud dengan perairan oligotrofik?
Perairan yang memiliki kandungan nutrien sangat tinggi
Perairan dengan kandungan nutrien rendah dan kejernihan tinggi
Perairan yang kaya bahan organik dan berwarna coklat
Perairan dengan produktivitas biologis yang sangat tinggi
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa penyebab utama perairan eutrofik mengalami ledakan alga (algal bloom)?
Kadar oksigen terlarut yang tinggi
Peningkatan kandungan fosfat dan nitrogen
Suhu air yang rendah
Tingginya transparansi air
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manakah perairan yang terbentuk akibat aktivitas glasial?
Danau Toba
Danau Baikal
Danau Kelimutu
Danau Oxbow
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam siklus biogeokimia, apa peran utama fitoplankton di perairan?
Menyerap oksigen dari air
Menghasilkan oksigen melalui fotosintesis
Mengurai bahan organik di dasar perairan
Meningkatkan kadar CO₂ di air
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perairan yang memiliki warna coklat kehitaman akibat kandungan asam humat tinggi disebut...?
Perairan oligotrofik
Perairan mesotrofik
Perairan eutrofik
Perairan distrofi
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa dampak dari stratifikasi termal pada perairan dalam?
Membantu pencampuran nutrien di seluruh kolom air
Menghambat percampuran antara lapisan atas dan bawah perairan
Meningkatkan kadar oksigen di lapisan dasar
Mengurangi kejernihan air
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jenis ikan apa yang biasanya ditemukan di perairan oligotrofik?
Lele dan nila
Trout dan salmon
Ikan mas dan mujair
Ikan gabus dan patin
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