Pendederan 01
Quiz
•
Other
•
11th Grade
•
Practice Problem
•
Hard
MELKIANUS TINENTI
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Banyak ikan terserang penyakit dan akhirnya mati disuatu usaha pendederan karena salinitas terlalu tinggi, penyebabnya adalah …
Kadar garam
Suhu
Kesadahan
Amoniak
Bahan cemaran
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bahan cemaran yang berasal dari pestisida yang digunakan oleh petani disebut …
Limbah organiK
Limbah anorganik
Limbah rumah tangga
Limbah pertanian
Limbah berbahaya
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berikut langkah pencegahan hama dan penyakit pada pendederan ikan:
1. kolam dikeringkan ; 2. kapur ditaburkan secara merata pada dasar kolam ; 3. .... ; 4. mengisi air kolam dan surutkan kembali ; 5. mengisi air kolam setinggi 20 cm ; 6. memasukkan daun ketapang kering ke dalam kolam ; 7. melakukan pengukuran pH ; 8. kolam siap digunakan
Urutan langkah ke-3 yang benar adalah ....
Membalik dasar kolam dengan cara mencangkul dasar kolam
Memperbaiki pematang yang bocor
Menebarkan pupuk anorganik
Menebarkan pupuk organik
Menumbuhkan probiotik
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kelarutan oksigen dalam air dipengaruhi oleh faktor suhu. Peningkatan suhu air menyebabkan kelarutan oksigen menjadi ....
optimal
bertambah
berkurang
maksimal
minimal
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nafsu makan ikan akan dipengaruhi olah salah satu parameter kualitas air dibawah ini ....
Oksigen terlarut
CO2 bebas
Suhu air
Fitoplankton
Kadar amonia
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Langkah-langkah pengemasan benih ikan adalah :
1. Mengisi air kedalam kantong plastik
2. Mengikat kantong plastik dengan karet
3. Memasukkan benih kedalam kantong plastik
4. Menambah oksigen
5. Menyiapkan peralatan dan bahan yang diperlukan
Urutan langkah kerja pengemasan benih yang benar adalah :
5 – 3 – 1 – 4 – 2
5 – 1 - 4 – 2 - 3
5 – 1 – 3 – 4 – 2
5 – 3 – 4 – 1 – 2
5 – 4 – 1 – 3 – 2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sebuah kolam berukuran 2 m x 5 m akan dipergunakan untuk kolam pendederan ikan lele, jika padat tebar benih 450 ekor / m² maka benih ikan lele yang dipelihara adalah....... ekor
45
450
4500
45000
450000
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