Notes and Study material for Exams
Addition of certain substances to the water such as organic, inorganic, biological, radiological, heat, which degrades the quality of water so that it becomes unfit for use. Putrescibility is the process of decomposition of organic matter present in water by Microorganisms using Oxygen. Water having DO (dissolved oxygen) content below 8.0 mg/L may be … Read more
[su_posts template=”templates/list-loop.php” posts_per_page=”20″ post_type=”post,page” tax_term=”1337″ tax_operator=”0″ order=”desc” orderby=”modified”], The Environment is the natural world that surrounds us. It includes the air we breathe, the water we drink, the food we eat, and the land we live on. The environment is essential for our survival, and it is important to protect it. There are many environmental … Read more
–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> Seed Seed is technically defined as ripened ovule containing embryo. Another definition says that the seed is a living embryo which is vital and basic input for attaining sustained Growth in agricultural production in different agro-climatic conditions. The embryo in the seed remains almost suspended for … Read more
The Silent Epidemic: Diseases Caused by Environmental Degradation The Earth, our home, is facing a multitude of environmental challenges, from climate change to pollution and deforestation. These challenges are not just abstract concepts; they have a direct and devastating impact on human health, leading to a silent epidemic of diseases caused by environmental degradation. This … Read more
Unmasking the Silent Killer: A Deep Dive into Pesticide Toxicity Testing Pesticides, the chemical weapons deployed against unwanted pests, have revolutionized agriculture and disease control. However, their widespread use comes with a dark side â the potential for toxicity to humans, animals, and the environment. Understanding the risks associated with these chemicals is paramount, and … Read more
Mainstay of Indian economy Since independence, undergone a change from being the sector contributing the highest share to the GDP to one contributing the lowest share. agriculture is a state subject. GDP contribution (Agriculture and allied sector) 5 pc in 1950-51 7 pc in 2008-09 and 14.6 pc in 2009-10. It was 19 pc in … Read more
Eutrophication is a syndrome of ecosystem, response to the addition of artificial or natural substances such as nitrates and phosphates through fertilizer, sewage, etc that fertilize the AQUATIC ECOSYSTEM. The Growth of green algae which we see in the lake surface layer is the physical identification of an Eutrophication. Some algae and blue-green bacteria … Read more
The Green Revolution was initiated in the 1960’s to address the issue of Malnutrition in the developing world. The technology of the Green Revolution involved bio-engineered seeds that worked in Conjunction with chemical Fertilizers and heavy Irrigation to increase crop yields. Green Revolution was largely confined in wheat crop and in northern India such … Read more
Control of Pests and crop Disease agriculture is the single largest sector of India that provides the principal means of livelihood for over 58.4% of country’s Population. It contributes approximately one-fifth of the total gross domestic product (GDP). Agriculture accounts for about 10% of the total export earnings and provides raw material to a large … Read more
Soil Pollution is the Contamination of the soil by human and natural activities which may cause harmful effects on living beings. This may be due to the following factors. (i) Industrial wastes: Industries are the major causes for soil pollution Textiles, steel, paper, Cement, oil, dyeing and other industries are responsible for soil pollution. Toxic … Read more