In aquaculture _________________ should be maintained below 0.1 mg/L.

In aquaculture _________________ should be maintained below 0.1 mg/L. Correct Answer Ammonia

The total ammonia in aquaculture water should be maintained below 0.1 mg/L since it is extremely toxic for the cultured organisms. Ammonia cannot be completely eliminated from the water; an effective way to maintain it to harmless levels is by using biological filters.
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Odisha government has launched a new scheme for promoting intensive aquaculture through Biofloc technology. It is a technique of enhancing water quality in aquaculture through balancing which of the following in the system?
একটি নদীর পানির দ্রবীভূত অক্সিজেন (DO) এর মান 2 mgL-1 গুণগতভাবে উক্ত নদীর পানি মাছ এবং অন্যান্য জলজ প্রাণীর জন্য ___।
যশোরের কত শতাংশ ভূ-গর্ভস্থ পানিতে আর্সেনিক দূষণমাত্রা 50 mgL-1  এর বেশি?
একটি নদীর পানির দ্রবীভূত অক্সিজেন(DO) এর মান 2.0 mgL-1 । গুণগতভাবে উক্ত নদীর পানি পাছ ও অন্যান্য জলজ প্রাণীর বেঁচে থাকার জন্য-
পানির ক্ষেত্রে প্রযোজ্য উক্তিগুলো হলো- i. Ca2+ Mg2+ ও AI3+ এর ফ্লোরাইড ও সালফেট লবণ দ্রবীভূত থাকলে পানি স্থায়ী ক্ষর হয় ii. আদর্শ পানির DO এর পরিসীমা 4-8 mgL-1iii. BOD এর মান সর্বদা COD অপেক্ষা বড় হয় নিচের কোনটি সঠিক?
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