Question 1
Which gas is the main component of clean, dry air near Earth's surface?
Correct Answer:
Nitrogen (about 78%)
Question 2
Air pollution is best defined as:
Correct Answer:
The presence of substances in air in concentrations that harm humans, living organisms, materials, or the environment
Question 3
Which of the following is a major primary air pollutant from incomplete combustion of fossil fuels?
Correct Answer:
Carbon monoxide (CO)
Question 4
Sulphur dioxide (SO2) in air is mainly associated with:
Correct Answer:
Burning of sulphur-containing coal and oil and certain industrial processes
Question 5
Particulate matter (PM) such as PM2.5 is dangerous mainly because:
Correct Answer:
Fine particles can enter deep into the lungs and even the bloodstream
Question 1
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About this Exam

Prepare with the Odisha BSE HSC Env & Pop Ed Practice Questions - Environment and Population Education (SEP) - Odisha BSE High School Certificate (Class 10) Exam practice quiz. This question bank includes 100 questions covering mainly, pollution, because, waste, and noise. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Odisha BSE HSC Env & Pop Ed Practice Questions - Environment and Population Education (SEP) - Odisha BSE High School Certificate (Class 10) Exam

This practice set contains 100 questions from the matching question bank and focuses on mainly, pollution, because, waste, and noise. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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