Environmental Concerns — Important Questions
Telangana Open School (TOSS) · Class 12 · Chemistry
44 important questions from Environmental Concerns for Telangana Open School (TOSS) Class 12 Chemistry, with answers. Written for the board exams 2027.
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Important Questions from Environmental Concerns
Which segment of the environment includes minerals, metals, and rocks?
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Lithosphere
Lithosphere is the part of Earth containing minerals, metals, rocks, and soil.
The atmosphere is important because it contains:
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Free oxygen and water vapour
The atmosphere contains free oxygen and water vapour, essential for life.
Pollution refers to the deterioration of natural resources due to:
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Presence of unwanted substances beyond a certain limit
Pollution is the deterioration of natural resources due to unwanted substances exceeding safe limits.
Contamination means:
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Presence of undesirable materials in a medium
Contamination is the mere presence of undesirable materials making a medium unfit for use.
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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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