
Soalan Kualiti Air

Quiz
•
Science
•
2nd Grade
•
Easy
mohd ridhwan Che'Amat
Used 1+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apakah pH yang sesuai bagi kebanyakan sistem akuakultur?
4.0 - 5.0
6.5 - 8.5
9.0 - 10.0
10.5 - 12.0
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apakah kesan utama apabila kadar oksigen terlarut (DO) dalam air rendah?
Meningkatkan produktiviti aquaponik
Membunuh ikan dan organisma akuatik
Meningkatkan kadar pertumbuhan alga
Mengurangkan kadar keasidan air
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apakah bahan yang biasa digunakan untuk mengurangkan ammonia dalam sistem akuakultur?
Karbon dioksida
Klorin
Nitrifikasi bakteria
Ozon
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apakah fungsi utama penapis mekanikal dalam sistem akuakultur?
Mengurangkan keasidan air
Menyaring bahan partikel besar dari air
Menambah oksigen terlarut dalam air
Menambah kadar karbon dioksida dalam air
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apakah kesan jika kadar nitrat dalam air terlalu tinggi?
Menyebabkan eutrofikasi dan pembentukan alga berlebihan
Meningkatkan kandungan oksigen terlarut
Mengurangkan pH air
Mengurangkan pembiakan ikan
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