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Which of the following is not a consequence of plastic pollution in marine environments?
  • a)
    Ingestion by Antarctic krill and zooplankton.
  • b)
    Increased primary production in seawater.
  • c)
    Concentration of toxic compounds from seawater.
  • d)
    Distress in over 250 species worldwide.
Correct answer is option 'B'. Can you explain this answer?
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Which of the following is not a consequence of plastic pollution in ma...
Plastic pollution does not lead to increased primary production; it causes harm to various marine species.
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Which of the following is not a consequence of plastic pollution in ma...

Increased primary production in seawater:

Increased primary production in seawater is not a consequence of plastic pollution in marine environments. Plastic pollution, on the contrary, has detrimental effects on marine ecosystems and biodiversity. Some of the consequences of plastic pollution in marine environments include:

Ingestion by Antarctic krill and zooplankton:
Plastic pollution can be mistaken for food by marine organisms such as Antarctic krill and zooplankton, leading to ingestion. This can have negative impacts on their health and survival.

Concentration of toxic compounds from seawater:
Plastic pollution can act as a magnet for toxic compounds such as pesticides and heavy metals present in seawater. These toxic compounds can then accumulate in the tissues of marine organisms, posing a threat to their health and potentially entering the food chain.

Distress in over 250 species worldwide:
Plastic pollution can cause distress in over 250 species worldwide, including seabirds, turtles, marine mammals, and fish. Animals can become entangled in plastic debris, suffer from internal injuries due to ingestion, or experience habitat destruction.

In conclusion, while plastic pollution has numerous negative consequences for marine environments, increased primary production in seawater is not one of them. It is essential to address plastic pollution through proper waste management, recycling initiatives, and awareness campaigns to protect marine ecosystems and biodiversity.
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Passage-1 ‘Desertification’ is a term used to explain a process of decline in the biological productivity of an ecosystem, leading to total loss of productivity. While this phenomenon is often linked to the arid, semi-arid and sub-humid ecosystems, even in the humid tropics, the impact could be most dramatic. Impoverishment of human-impacted terrestrial ecosystems may exhibit itself in a variety of ways : accelerated erosion as in the mountain regions of the country, salinization of land as in the semi-arid and arid ‘green revolution’ areas of the country, e.g., Haryana and western Uttar Pradesh, and site quality decline—a common phenomenon due to general decline in tree cover and monotonous monoculture of rice/wheat across the Indian plains. A major consequence of deforestation is that it relates to adverse alterations in the hydrology and related soil and nutrient losses. The consequences of deforestation invariably arise out of site degradation through erosive losses. Tropical Asia, Africa and South America have the highest levels of erosion. The already high rates for the tropics are increasing at an alarming rate (e.g., through the major river systems— Ganga and Brahmaputra, in thecontext), due to deforestation and land management practices subsequent to forest clearing. In the mountain context, the declining moisture retention of the mountain soils, drying up of the ‘underground springs and smaller rivers in the Himalayan could be attributed to drastic changes the forest cover. An indirect consequence is drastic alteration in the uplandlowland interaction, mediated through water. The current concern the tea planter of Assam has is about the damage to tea plantations due to frequent inundation along the flood-plains of Brahmaputra, and the damage to tea plantation and the consequent loss in tea productivity is due to rising level of the river bottom because of siltation and the changing course of the river system. The ultimate consequences of site desertification are soil degradation, alteration in available water’ and its quality, and the consequent decline in food, fodder and fuelwood yields essential for the economic wellbeing of rural communities.=>According to the passage, which of the following are the consequences of decline in forest cover?1. Loss of topsoil2. Loss of smaller rivers3. Adverse effect on production4. Declining of groundwater.Q. Select the correct answer using the code given below.

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Which of the following is not a consequence of plastic pollution in marine environments?a)Ingestion by Antarctic krill and zooplankton.b)Increased primary production in seawater.c)Concentration of toxic compounds from seawater.d)Distress in over 250 species worldwide.Correct answer is option 'B'. Can you explain this answer?
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Which of the following is not a consequence of plastic pollution in marine environments?a)Ingestion by Antarctic krill and zooplankton.b)Increased primary production in seawater.c)Concentration of toxic compounds from seawater.d)Distress in over 250 species worldwide.Correct answer is option 'B'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Which of the following is not a consequence of plastic pollution in marine environments?a)Ingestion by Antarctic krill and zooplankton.b)Increased primary production in seawater.c)Concentration of toxic compounds from seawater.d)Distress in over 250 species worldwide.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is not a consequence of plastic pollution in marine environments?a)Ingestion by Antarctic krill and zooplankton.b)Increased primary production in seawater.c)Concentration of toxic compounds from seawater.d)Distress in over 250 species worldwide.Correct answer is option 'B'. Can you explain this answer?.
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