What does the term "BOD" (Biochemical Oxygen Demand) refer to in... | Agrigyan

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Q.1

ICAR 2024Shift 1 MCQ (Single Correct) +4 −1

What does the term "BOD" (Biochemical Oxygen Demand) refer to in sewage analysis?

सीवेज विश्लेषण में "BOD" (बायोकेमिकल ऑक्सीजन डिमांड) शब्द का क्या अर्थ है?

The amount of oxygen needed by aquatic organisms जलीय जीवों द्वारा आवश्यक ऑक्सीजन की मात्रा The rate of bacterial growth in sewage सीवेज में बैक्टीरिया के विकास की दर The oxygen content in fresh water bodies ताजे जल निकायों में ऑक्सीजन की मात्रा The amount of oxygen required by bacteria to decompose organic matter in sewage सीवेज में कार्बनिक पदार्थों को विघटित करने के लिए बैक्टीरिया द्वारा आवश्यक ऑक्सीजन की मात्रा

Q.2

ICAR 2024Shift 1 MCQ (Single Correct) +4 −1

Tertiary treatment of sewage aims at removal of:

सीवेज के तृतीयक उपचार (Tertiary treatment) का उद्देश्य किसे हटाना है?

Coarse materials मोटे तैरने वाले पदार्थ Nitrogen and phosphorus / Nutrients नाइट्रोजन और फास्फोरस Pathogens रोगजनक Heavy metals भारी धातुएं

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