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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.
discus the protozoan flagellates of less medical importance ,outlining their development stages,normal habitants and morphological characteristics
Q. What is protocooperation? The Protocooperation is the ecological interaction in which both participants benefit but which is not obligatory for their survival. The Protocoop
Explain vegetable sterilization process Canning, which involves heat sterilization, is one of the most important processes in vegetable preservation. As compared to other foods
Q. What are the cytochromes? Cytochromes are proteins of the interior mitochondrial membrane that are specialized in electron transfer and participate in the respiratory chain.
Each of the three NADH molecules formed per turn of the cycle yields 3 ATPs and the one FADH2 yields 2 ATPs by oxidative phosphorylation (whereas some measurements indicate in whic
GER M PLASM THEORY - It was proposed by Weismann. According to it, two types of cells are formed during embryonic development viz - Germ cell & Somatic cell. The germ ce
What are cytokinins? Where are they made? Cytokinins are phytohormones active in the promotion of cellular division; they slow down the aging of tissues and act together with a
Psychiatric Emergmcy: Psychiatric Emergmcy is the treatment of disorders of mood, thought and behavior in an emergency setting. Psychiatric emergencies are conditions in w
NAILS - Cover terminal segment of fingers & toes. Highly vascular dermis under lying the nail is called nail bed . It gives pinkish colour to nail. The small part
Q. What is the gas exchange unit of the mammalian lungs? The gas exchange units of the mammalian lungs are the alveoli. Q. What is the physical process through which gas ex
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