Environment

Organic farming is an agricultural system that works in harmony with nature. It largely excludes the use of synthetic inputs (such as fertilizers, pesticides, hormones, feed additives etc.) and rely upon crop rotation, crop residues, animal manures, off-farm organic waste, mineral grade rock additives and biological system of nutrient mobilization and plant protection. Organic farming … Read more DMPQ-What do you mean by organic farming? What are its benefits?

The Ministry of Housing and Urban Affairs has launched the Angikaar Campaign. The campaign was officially rolled out in all cities with PMAY (U) on October 2, 2019. It has been launched for social behaviour change, focusing on issues such as water & energy conservation, waste management, health, tree plantation, sanitation and hygiene. The campaign … Read more DMPQ- Recently Angikaar compaign was in the news. What is Angikkar compaign and comment upon its significance.

Seagrasses are flowering plants (angiosperms) which grow in marine environments. Seagrass can easily be confused with marine macroalgae (Seaweed). Seagrasses are considered vascular plants and have roots, stems and leaves. Sea grass produces flowers, seeds and fruits. Seagrass plays a vital role in oxygen production and absorption of carbon dioxide. It acts as a purifier … Read more DMPQ- What do you understand by “ Sea grass” and “ sea weed”?

According to Ramsar Convention, wetland is defined as, “areas of marsh, fen, peat land or water, whether natural or artificial, permanent or temporary, with water that is static or flowing, fresh, brackish or salt, including areas of marine water the depth of which at low tide does not exceed 6 metres”. Key Features of the … Read more DMPQ- Analyze the guidelines issued by Ministry of Environment, Forest and Climate Change (MoEF&CC) for implementation of Wetlands (Conservation and Management) Rules, 2017.

The major components of a rainwater harvesting system are as follows:  Collection system: Roof surface and gutters to capture the rainwater and send it to the storage system  Inlet filter: Screen filter to catch large debris  First flush diverter: Diverter that removes debris not captured by the inlet filter from the initial … Read more DMPQ- What are the major components of a rainwater harvesting system ?

Air Quality Early Warning Systemis designed to predict extreme air pollution events and give alerts to take necessary steps as per Graded Response Action Plan (GRAP) of the Government of India. The air pollution system has been developed jointly by the scientists at Indian Institute of Tropical Meteorology (IITM), Pune, India Meteorological Department and National … Read more DMPQ- Air quality is declining to a high proportion. In this context explain the system of Advanced Air quality early warning system.

Ecological efficiency is the amount of energy that is transferred from one trophic level to the next. It is defined as the energy supply available to trophic level N + 1, divided by the energy consumed by trophic level N. This follows the 10% rule, which states that roughly 10% of the energy at one … Read more DMPQ- What do you understand by the term Ecological efficiency?

Dead zones are hypoxic (low-oxygen) areas in the world’s oceans and large lakes. They are caused by “excessive nutrient pollution from human activities coupled with other factors that deplete the oxygen required to support most marine life in bottom and near-bottom water. Historically, many of these sites were naturally occurring. However, in the 1970s, oceanographers … Read more DMPQ- What are dead zones and comment on their genesis?

Ethanol is a green fuel and its blending with petrol also saves foreign exchange Government has 10% blending target for mixing ethanol with petrol by 2022 & 20% blending target by 2030 The liquid biofuel in greatest production is ethanol (ethyl alcohol), which is made by fermenting starch or sugar. Brazil and the United States … Read more DMPQ- Ethanol production is environment firiendly and also save foriegn exchange. Justify.

Shola forests are tropical Montane forests found in the valleys separated by rolling grasslands only in the higher elevations. They are found only in South India in the Southern Western Ghats. The shola forests are patches of forests that occur only in the valleys where there is least reach of the fog and mist. Other … Read more DMPQ- Write a short note on the Shola forest.