Acche Marks 1. Dandiya Raas festivities often include loudspeakers, contributing to noise pollution. 2. The excessive noise generated poses potential hazards to both ears and overall health. 3. In India, the Air (Prevention and Control of Pollution) Act 1981, Amendment 1987, classifies noise as an air pollutant. 4. According to the law, noise is restricted after 10 … Read more
1. When a species is classified as EW (extinct in the wild), it means that its existence is limited to captivity or naturalized populations outside its original habitat due to extensive habitat loss. 2. The EW category designates species that no longer exist in their natural habitat, residing solely in captivity or as introduced populations … Read more
Volcanic ash is a naturally occurring environmental contaminant.
The discovery of the ozone hole occurred in Antarctica. It was identified as a significant environmental issue. The hole raised concerns about the impact on Earth’s protective ozone layer.
Tissue culture In vitro fertilization of eggs
Reservoir of Carbon: 1) Carbon, constituting 49% of organisms’ dry weight, serves as the primary component of all organic compounds in protoplasm, making all life forms on Earth carbon-based. 2) Approximately 71% of carbon exists dissolved in oceans, playing a crucial role in regulating atmospheric carbon dioxide levels. 3) Carbon stored in rocks and fossil … Read more
Sedimentary cycles primarily involve reservoirs within the Earth’s crust or rocks, and nutrient elements, such as sulphur, phosphorus, potassium, and calcium, are part of these cycles found in the Earth’s sediments. Key characteristics of a sedimentary cycle within an ecosystem include: 1) The Earth’s crust serves as the principal reservoir for minerals like phosphorus, calcium, … Read more
Decomposition: Metabolism involves decomposing complex compounds by taking in raw materials, processing them, and converting them into simpler compounds. Decomposition progresses through five distinct steps or phases in its entirety. Fragmentation: In the early phase of decomposition, detritus undergoes fragmentation as detritivores break it down into smaller pieces. Leaching: Leaching occurs when fragmented particles, which … Read more
Primary productivity refers to the rate at which biomass is generated in an ecosystem, expressed as mass per unit surface (or volume) per unit time, such as grams per square meter per day (g/m²/day). The types of plants present in a specific region are influenced by various environmental factors, including temperature, sunlight, salinity, oxygen and … Read more