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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.
Mention the product and its use formed by each the microbes listed below: i) Lactobacillus ii) Streptococcus iii) Saccharomyces cerevisiae
You are working on a protocol in lab that requires 10ml of a 5% saline solution for a particular step. All you have in your lab is a 20% saline stock solution. How can you dilute t
B o vi n e spongiform encephalopathy (BSE) Bovine spongiform encephalopathy (BSE) is a transmissible, neurodegenerative, fatal brain disease of cattle characterized by post
Chromosome walking is the technique for cloning everything in genome around the known piece of DNA (the begning probe). You screen the genomic library for all the clones hybridizi
Q. How different are animal cells from plant cells? While plant cells are eukaryotic, photosynthetic, autotrophic and have chloroplasts and cell wall, the animal cells are hete
In the offspring of a dihybrid self, what percentage of the individuals are themselves dihybrid?
Planning the Nursing Care 1) Maintain hydration and electrolyte balance. 2) Administer accurate and adequate antibiotics drugs. 3) Prevent the spread of infection.
Subtropical rain forests - Ecosystem In regions of fairly high rainfall but less temperature differences between winter and summer and broad-leaved evergreen subtropical biome
Define Comprehensive Dietary Management Regime of Patient? A comprehensive dietary management regime of the patient should be based on the patient profile as gathered pre and p
Q. In general what is the phase of the menstrual cycle when copulation may lead to fecundation? Although this is not a rule, to be effective fecundation in general must occur w
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