Category: Environment

Here is your essay on Chemical Nature of Fresh-Water !The fresh-water of both kinds—lentic and lotic, has low per­centage of dissolved salts and is subjected to the influence of a wide array of physical and chemical factors. image source: freshwaterhabitats.org.uk ADVERTISEMENTS: The rise and fall of these factors very frequently affect the fauna, altering their number and diversity. Some of the important factors of fresh-water environ­ment are following: Pressure, Density and Buoyancy: The pressure imposed on a lake-dwelling organism is the weight of the column of water above it plus the weight of the atmosphere. In all fresh-water environments maximum pressure as much less as in the ocean, and organisms appear to adjust to them readily. The absence of animal life from deep water ordina­rily a consequence of low oxygen…

Here is your Short Essay of Indian Prison System !In India, prison reforms did not emerge out of the social movement but were necessarily an outcome of the worst conditions of treatment faced by the political sufferers in prisons during the period of their imprisonment. They repeatedly launched protests with the prison authorities and made all possible efforts to see that the rigours of prison life are mitigated and prisoners are humanely heated. image source: upload.wikimedia.org ADVERTISEMENTS: In the meantime, the reformative trend which was gaining momentum in the field of penology ail around the world also gave filip to the cause of correctional method of treatment of offenders in India. It was realised that confining convicts in closed prison cells hardly serves any useful purpose.The overall effect of these…

Physical, Chemical and Biological Properties of Soil – EssayThe physical chemical and biological properties determine both the fertility and productivity of soils. Image Source: extendonondaga.org A. Physical Properties: The physical properties include texture, structure, and colour. ADVERTISEMENTS: Soil Texture refers to the particle sizes composing the soil. These particles are classified as gravel, sand, silt and clay in decreasing order of size. Four textural types are recognised. These are sand, sandy loam, loam and clay.All the textural types are combinations of different sizes of particles. Soil texture determines the water condition of the soil affecting the pore space size. In sand as both the particles and the pore spaces are large, it drains rapidly. The particles and pore spaces in clay are small, hence drainage is very slow. Both are…

Short Essay on ‘Immunity’ (722 Words)!Micro-organisms are ubiquitous. They are in the air we breathe and in/on the food we eat. Thus our epithelial surfaces (skin, respiratory tract, gastro-intestinal tract, genitourinary tract) are continuously exposed to micro­organisms. Disease occurs when micro organisms invade epithelial surfaces. Image Source: reverseaginginstitute.com ADVERTISEMENTS: This resistance (immunity) of epithelial surfaces to invasion is a characteristic which is present from birth.Hence the immunity means the all capacity of human body to resist almost all types of organisms or toxins that tend to damage the tissue and organs. 1. Innate Immunity (Non specific): Characteristics:Present from birth ADVERTISEMENTS: Non specific, acts on many organisms and does not show specificityDoes not become more efficient on subsequent exposure to same organisms.It is the general defense of body, including the following…

Here is your Essay on Changing Environment and Our Social Value specially written for School and College Students in Hindi Language: