As of Aug 2021, the fisher folks in Maharashtra have alleged that oil from __________, which melt and spread out when exposed to the sun, is hampering the reproduction of commercially important fish that can be caught in the intertidal areas on the coast.
Appeared in: SGPGI Nursing Officer-2024
Explanation
Tarballs are dark, sticky blobs of weathered crude oil that are a common form of marine pollution.
They form from oil spills and are transported by ocean currents, eventually washing up on shorelines.
When heated by the sun, tarballs melt and release toxic hydrocarbons into the environment.
The incident in Maharashtra in August 2021 specifically involved these tarballs polluting intertidal zones, which are crucial breeding grounds for fish, thereby hampering their reproduction.
Why Other Options Were Wrong
Option B: This is an archaic slang term for a sailor and has no connection to environmental pollution.
Option C: This is a nonsensical term created as a distractor. It does not refer to any known pollutant or relevant concept.
Option D: A tarbagan is a species of marmot, a type of rodent. It is an animal and is completely unrelated to marine or oil pollution.
Related Visual
Clinical Relevance
Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Environmental Science and Marine Pollution as background academic context rather than a clinical decision trigger.
Tarballs pose a significant threat to coastal ecosystems, harming a wide range of marine life including fish, crustaceans, sea turtles, and shorebirds through ingestion and contamination of habitats.
The pollution from tarballs has direct economic consequences, negatively impacting local fisheries by destroying breeding grounds and contaminating catch, and harming the tourism industry by fouling beaches.
Cleanup operations for tarball pollution are notoriously difficult, labor-intensive, and costly because the sticky material adheres firmly to sand, rocks, and coastal vegetation.
How to Approach the Question
First, identify the key concepts in the question stem: 'oil', 'melt and spread', 'hampering reproduction of fish', and the location 'Maharashtra'. This points towards an environmental pollution issue.
Analyze the options provided. The term 'tarballs' directly relates to oil and pollution.
Evaluate the other options to confirm they are incorrect. 'Jack-tar' is a term for a sailor, and 'tarbagan' is an animal. 'Goff-nuts' appears to be a fabricated term.
Based on the process of elimination and the direct relevance of the term, conclude that 'tarballs' is the only option that fits the description of weathered oil blobs causing pollution on a coast.
This question tests general knowledge about environmental science and current events, requiring recall of specific terminology related to pollution.
Concept Tested & Keywords
Concept Tested: Environmental Science and Marine Pollution
Stem keywords: Maharashtra, fisher folks, oil, melt and spread, hampering reproduction, intertidal areas, Aug 2021
Lead-in keywords: BEST, MOST RELEVANT CLUE
Question ID
Q4nN_uJ7LXpU_ZLM26uxAF
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Attempt every question from this paper in a timed mock, then review the full solution for each one.