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Pollution - Environmental Pollution
Pollution refers to any undesirable change in the physical, chemical or biological characteristics of our environment, i.e. air, water and oil that may or will adversely affect humans or other species and life support systems of our biosphere directly or indirectly. A substance whose introduction into a resource damages the latter's usefulness is called a pollutant. Pollutants are grouped into two broad categories:
The non-biodegradable pollutants such as heavy metals, pesticides, move through the food chain and may get magnified to dangerous levels in higher trophic level organisms. Some of these combine with other compounds and produce toxic substances. However, biodegradable materials such as human and animal wastes, agro-based residues and fertilisers can also pose a threat if their quantities or inputs exceed the Assimilative capacity of the environment.
What are the three basic sexual life cycles studied in Biology? Which of them corresponds to metagenesis? Which of them is the human life cycle? Sexual reproduction may take pl
Biochemistry : The chemistry of living organisms that covers all the chemical reactions occurring in our body.
Define Criteria for Assessment of Niacin Status? Niacin status can be monitored by daily urinary excretion of methylated metabolites, especially the ratio of the 2-pyridone to
What is the root cap? The root cap is a protective structure located in the tip of the growing root. It protects the meristematic tissue of the root forming a cap that surround
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VITAMIN - C Also known as ascorbic acid / anti viral vitamin / anti cancer vitamin / anti rabies vitamin / anti scurvy vitamin. It is the earliest known vitamin. It
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Define Strategies for to overcome from alzheimer's disease? Some of these, based on the stage of the disease and individual needs are: a. supervising meal times with minimal
Define the Theory or Principle of Drying? Drying can be illustrated as the application of heat under controlled conditions to eliminate the majority of the water generally avai
Question Write a short note on the following 1 Simple diffusion 2 Viscosity 3 What is spectroscopy? List and explain types of spectroscopy 4 With a neat diagram,
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