BPSC (Bihar) Exam > BPSC (Bihar) Videos > Environment & Additional Topics for State PSC Exams > Ocean Acidification
Ocean Acidification Video Lecture | Environment & Additional Topics for State PSC Exams - BPSC (Bihar)
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FAQs on Ocean Acidification Video Lecture - Environment & Additional Topics for State PSC Exams - BPSC (Bihar)
| 1. What is ocean acidification? |  |
Ans. Ocean acidification refers to the ongoing decrease in the pH levels of the Earth's oceans, making them more acidic. This is primarily caused by the absorption of excess carbon dioxide (CO2) from the atmosphere by seawater, which leads to a series of chemical reactions that increase the concentration of hydrogen ions and lower the pH.
| 2. How does ocean acidification affect marine life? | |
Ans. Ocean acidification has detrimental effects on marine life, particularly organisms such as coral reefs, shellfish, and other calcifying organisms. The increased acidity makes it harder for these organisms to build and maintain their calcium carbonate structures, such as shells and coral skeletons. This can lead to weakened structures, reduced growth rates, and increased vulnerability to predation and disease.
| 3. What are the main causes of ocean acidification? | |
Ans. The main cause of ocean acidification is the excessive release of carbon dioxide (CO2) into the atmosphere due to human activities, such as the burning of fossil fuels and deforestation. This excess CO2 is absorbed by the oceans, causing chemical reactions that increase the concentration of hydrogen ions and lower the pH.
| 4. How does ocean acidification impact the food chain? | |
Ans. Ocean acidification can disrupt the food chain by affecting the survival and reproduction of various marine organisms. For example, the decreased availability of calcium carbonate can hinder the growth and development of phytoplankton, which are the primary producers at the base of the food chain. This can then impact the populations of zooplankton, fish, and other organisms that rely on phytoplankton as a food source.
| 5. What are the potential long-term consequences of ocean acidification? | |
Ans. The long-term consequences of ocean acidification can be severe. Apart from the direct impacts on marine organisms, it can also lead to ecosystem-wide disruptions, including changes in species composition and distribution. Additionally, the loss of coral reefs due to acidification can have cascading effects on coastal protection, tourism, and fisheries, which can have significant socio-economic consequences. Addressing and mitigating ocean acidification is crucial to protect the health and balance of marine ecosystems and the communities that depend on them.
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Nov 24, 2024 Last updated |
Video Description: Ocean Acidification for BPSC (Bihar) 2024 is part of Environment & Additional Topics for State PSC Exams preparation.
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