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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.
Procaryotic Structure and Diversity The first organisms which did not have well defined nucleus, called procaryotes, (pro = earlier, caryon = nucleus) were probably anaerobic a
Explain the s1M filament theory of muscle contraction. What is special of "FlavrSavr" variety of tomato? Why is it preferred to its normal native variety? Illustrate a label
Q. Explain Barrier Techniques - Personal Protective Equipment? The use of personal protective equipment (PPE) - clothing, masks, eyewear, and gloves - is part of routine dental
Extraction of the tooth -In nonstrategic importance -Diseased maxillary second molars with no opposing tooth , or with an opposing tooth in class l or lll occlusion that ar
Explain about the Diabetes mellitus? You are aware that diabetes may be diagnosed as an exaggerated response in blood glucose concentration following ingestion of a fixed amou
Describe the structure of the stomach. How is it modified to carry out its functions? How does it compare to that of the fetal pig?
WHAT ARE THE BRANCHES AND CONCEPT OF APPLIED BIOLOGY
Pollen Stigma Interaction - Stigma The Stigma After landing on the stigma pollen grain germinates, and produces a pollen tube that carries the male gametes. The stigma has bee
Solid waste management, Other Management The solid wastes from a summer camp with 100 children and a staff of 25 are to be collected once per week. If bottles and cans (representi
Define Steps To determine thermal resistance of a microorganism? Most food components and microorganisms obey first order reaction kinetics, which means that the destruction ra
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