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Important Questions

Pollution

Telangana Open School (TOSS) · Class 12 · Biology

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

54 questions30 flashcards5 concepts

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54 Questions·
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Sample Questions

1multiple choice
1 marks

What does AQI stand for?

Show answer

Air Quality Index

AQI stands for Air Quality Index, which measures the extent of air pollution.

2multiple choice
1 marks

Which pollutant is primarily responsible for acid rain?

Show answer

Sulfur dioxide

Sulfur dioxide (SO₂) reacts with water vapor to form sulfuric acid, leading to acid rain.

3multiple choice
1 marks

What is the main cause of eutrophication?

Show answer

Excess nutrients like nitrogen and phosphorus

Eutrophication is caused by excess plant nutrients, particularly nitrogen and phosphorus, leading to algal blooms.

4multiple choice
1 marks

Which of the following is a greenhouse gas?

Show answer

Carbon dioxide

Carbon dioxide is a major greenhouse gas that traps heat in the atmosphere.

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Frequently Asked Questions

What are the important topics in Pollution for Telangana Open School (TOSS) Class 12 Biology?
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 Pollution — Telangana Open School (TOSS) Class 12 Biology?
Understand the core concepts first, then work through the 54 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 Pollution?
There are 54 practice questions available for 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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