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Given below is a statement followed by two possible reasons numbered I and II. Read the statement carefully and decide which of the two explain(s) the event/observation/information given in the statement. Statement - Noise pollution is an invisible danger. It cannot be seen, but it is present nonetheless, both on land and under the sea. Noise pollution is considered to be any unwanted or disturbing sound that affects the health and well-being of humans and other organisms. Reasons: I. Some of its major causes are vehicles, aircraft, industrial machines, loudspeakers, crackers, etc. II. When used at high volume, some other appliances also contribute to noise pollution, like television, transistor, radio, etc.
Only II is a possible reason.
Neither I nor II is a possible reason.
Only I is a possible reason.
Both I and II are possible reasons.
Both I and II are possible reasons.
Identify the causes provided in the reasons and check if they logically explain the existence and impact of the phenomenon described in the statement.
Identify the causes provided in the reasons and check if they logically explain the existence and impact of the phenomenon described in the statement.
Analyze the Statement
The statement defines noise pollution as any unwanted or disturbing sound affecting the health/well-being of humans and other organisms, and notes its presence as an 'invisible danger' on land and under the sea.
Evaluate Reason I
Reason I lists major sources like vehicles, aircraft, industrial machines, and crackers. These are valid contributors to noise pollution and explain why it exists as a pervasive problem.
Evaluate Reason II
Reason II lists household appliances used at high volume like television, transistor, and radio. These are also valid contributors to noise pollution as they cause 'unwanted or disturbing sounds'.
Conclusion
Both I and II identify common anthropogenic activities that generate noise, directly supporting the statement's claim that noise pollution is a significant environmental issue.
A: Incorrect because it excludes reason II. B: Incorrect because it excludes reason I. C: Incorrect because both statements are valid contributing reasons for noise pollution.
D is correct because both Reason I and Reason II provide valid, distinct examples of anthropogenic activities that generate unwanted noise, thereby explaining the existence and prevalence of noise pollution described in the statement.
In 'Statement and Reasons' questions, look for whether the options represent direct, logical sources or consequences that support the core claim of the statement.
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