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BOD of two samples of water A & B were 120 mg/l and 400 mg/L r
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BOD of two samples of water A & B were 120 mg/l and 400 mg/L respectively. Which sample is more polluted ?

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Oswaal CBSE Question Bank Class 12 Biology Chapterwise and Topicwise (Oswaal)

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BOD of two samples of water A & B were 120 mg/l and 400 mg/L respectively. Which sample is more polluted ?
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Sample B is more polluted than Sample A.
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Question Text
BOD of two samples of water A & B were 120 mg/l and 400 mg/L respectively. Which sample is more polluted ?
TopicEnvironmental Issues
SubjectBiology
ClassClass 12
Answer TypeText solution:1
Upvotes137