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Chapter 9 of 41
Important Questions

Water Pollution

Telangana Open School (TOSS) · Class 12 · Chemistry

Most important questions from Water Pollution for Telangana Open School (TOSS) Class 12 Chemistry board exam 2026. MCQs, short answer, and long answer questions with marks.

53 questions30 flashcards5 concepts

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53 Questions·
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Sample Questions

1multiple choice
1 marks

Which process describes the enrichment of water bodies with nutrients leading to algal bloom?

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Eutrophication

Eutrophication is the process where excess nutrients like nitrates and phosphates cause rapid growth of algae.

2multiple choice
1 marks

Which of the following is NOT a biological parameter of water pollution?

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Taste

Taste is a physical parameter, not biological. Biological parameters involve living organisms like bacteria and viruses.

3multiple choice
1 marks

What is the primary source of groundwater contamination in rural areas?

Show answer

Septic tanks

Septic tanks and seepage pits are common sources of groundwater pollution in villages and small towns.

4multiple choice
1 marks

Which of the following pollutants is known to cause methemoglobinemia in infants?

Show answer

Nitrates

High nitrate levels in drinking water can cause blue baby syndrome or methemoglobinemia in infants.

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Frequently Asked Questions

What are the important topics in Water Pollution for Telangana Open School (TOSS) Class 12 Chemistry?
Water Pollution covers several key topics that are frequently asked in Telangana Open School (TOSS) Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Water Pollution — Telangana Open School (TOSS) Class 12 Chemistry?
Understand the core concepts first, then work through the 53 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many important questions are there in Water Pollution?
There are 53 practice questions available for Water Pollution. These cover multiple question types including MCQs, short answer, and long answer questions.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for Telangana Open School (TOSS) Class 12 Chemistry.