HomeTestsSearchRankProfile

Bod Questions

Practice 3 Bod questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

📚
3
Total Questions
🟢
1
Easy
🟡
2
Medium
🔴
0
Hard
Practice by Exam:Biology(3)

About BOD — practice questions, PYQs & concepts

BOD is a frequently-tested topic on Biology. ExamTest.live currently lists 3 BOD questions, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

BOD weight in competitive exams

Across our BOD question bank, the largest sources are Biology (3). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 1 easy BOD questions are available — build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent paper or older PYQs you have not attempted.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right — the explanation often surfaces a faster approach you can reuse.

All Bod Questions(1–3 of 3)

Filter:
Q1mediummcqBiologyBiology
In which one of the following the BOD (Biochemical Oxygen Demand) of sewage (S), distillery effluent (DE), paper mill effluent (PE) and sugar mill effluent (SE) have been arranged in ascending order?
Q2easymcqBiologyBiology
Biochemical Oxygen Demand () in a river water:
Q3mediummcqBiologyBiology
Measuring Biochemical Oxygen Demand (BOD) is a method used for:

Frequently Asked Questions

How many Bod questions are on ExamTest.live?▼
We have 3 Bod questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Bod MCQs free?▼
Yes. All Bod questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Bod questions?▼
Bod questions are commonly asked in Biology. You can filter by exam using the links above.
How do I practice Bod questions effectively?▼
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.