Notes and Study material for Exams
Usefulness of Plants and human affairs (utility) Food Plants are the main source of food for humans. Plants, unlike humans and animals, manufacture their own food. They do so by the process known as Photosynthesis in their green leaves by use of sunlight. They can convert and store the Light energy in the … Read more
Environmental problems related to INFRASTRUCTURE-development/”>Infrastructure Development Infrastructure is essential for increasing economic progress and reducing POVERTY. The choices made in the type and scale of infrastructure Investment also have major implications for environmental sustainability. Land New infrastructure typically involves land use change and the selection of the site and its proximity to human … Read more
Depletion of Natural Resources– Metals, Minerals — Conservation Policy All the materials and energy essential for the survival and welfare of living beings including humans-are provided by nature. They are called Natural Resources. A thing becomes resource only when it is used by humans to perform a function. Man lives in nature and … Read more
–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> Magadh with reference to Uttar Pradesh All the states were perpetually at war with each other. Kaushal annexed Kashi and Avanti grabbed Vats. Later on Kausha and Vats in turn were subjugated one by one by Magadh, which became most powerful in the entire region. Magadh … Read more
Biodiversity-Defination, types, importance, hotspots, threats and conservation The term biodiversity was coined as a contraction of biological diversity by E.O. Wilson in 1985. Biodiversity may be defined as the variety and variability of living organisms and the ecological complexes in which they exist. In other words, biodiversity is the occurrence of different types … 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
Biodiversity Conservation: A Vital Lifeline for Our Planet The Earth’s biodiversity, the vast array of life forms that inhabit our planet, is a treasure trove of ecological, economic, and cultural value. From the towering redwoods of California to the vibrant coral reefs of the Great Barrier Reef, each species plays a crucial role in maintaining … Read more
In order to check rapid deforestation due to forestlands being released by state governments for agriculture, Industry and other development projects (allowed under the Indian Forest Act) the federal government enacted the Forest Conservation Act in 1980 with an amendment in 1988. The Act made the prior approval of the federal government necessary for de-reservation … Read more