Q44.BOD stands for: (1) Bacterial Oxidation Demand (2) Biological oxygen demand (3) Biochemical oxygen demand (4) Both A and B
What This Question Tests
This is a direct factual question asking for the full form of the acronym BOD, a common term in environmental chemistry related to water pollution.
Concepts Tested
📚 NCERT Sections This Tests
1.3 — Define The Following Terms:
Chemistry Class 11 · Chapter 1
1.3 Define the following terms: (i) Mole fraction (ii) Molality (iii) Molarity (iv) Mass percentage.
1.1 — Define The Term Solution. How Many Types Of Solutions Are Formed? Write Briefly
Chemistry Class 11 · Chapter 1
1.1 Define the term solution. How many types of solutions are formed? Write briefly about each type with an example.
1.27 — If The Solubility Product Of Cus Is 6 × 10–16, Calculate The Maximum Molarity Of
Chemistry Class 11 · Chapter 1
1.27 If the solubility product of CuS is 6 × 10–16, calculate the maximum molarity of CuS in aqueous solution.
📋 Question Details
- Chapter
- Environmental Chemistry
- Topic
- Water pollution
- Year
- 2016
- Shift
- 09 Apr Online
- Q Number
- Q44
- Type
- MCQ
- NCERT Ref
- Class 11 Chemistry Ch 14: Environmental Chemistry
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Q46.Water sample is reported to be highly polluted if BOD (Biological Oxygen Demand) value of sample becomes (1) more than 17ppm (2) equal to 10ppm (3) equal to 5ppm (4) less than 5ppm