Water pollutants - water pollution, Biology

Assignment Help:

Water Pollutants - Water Pollution

Water pollution can occur on account of any one or more of the following agents:

1. Biological: Pathogens such as virus, bacteria, protozoa and worms.

2. Chemical:

  • Inorganic: nitrates, phosphates, chloride and fluoride,
  • Organic: pesticides, dyes, chloro-compounds, phenols, points and plastics.
  • Heavy metals: soluble heavy metal ions such as mercury, lead, cadmium, copper, zinc and their organometallic compounds.

3. Physical: Waste heat from industrial plants


Related Discussions:- Water pollutants - water pollution

Show ions used in electrical impulse transmission in neurons, Q. What are t...

Q. What are the two major ions that participate in the electrical impulse transmission in neurons? The two major ions that participate in the electrical impulse transmission in

Nature of metabolites in sieve tubes, Nature of Metabolites in Sieve Tubes ...

Nature of Metabolites in Sieve Tubes The phloem sap contains three major classes of organic compounds - organic acids, amino acids and sucrose besides some cations, anions and

A leaf is detached from a tree and tested with iodine, A leaf is detached f...

A leaf is detached from a tree and tested with iodine. The leaf turns dark blue.    (a) What does this result tell you?    (b) Why is this result not sufficient e

How does phosphocreatine act in the muscle relaxation, Q. How does phosphoc...

Q. How does phosphocreatine act in the muscle relaxation and contraction? Phosphocreatine is the major means of energy storage of the muscle cells. During relaxed periods AT

Community change, Community Change Ecosystems are dynamic entities in ...

Community Change Ecosystems are dynamic entities in which a number of events take place. Associated with the biotic communities of the ecosystem are some changes, which may be

Explain isomer, Isomer : Existence of different  compounds having  same ...

Isomer : Existence of different  compounds having  same  molecular form but different structural forms.

Ratios of different samples of nucleic acid, Ratios of the bases in differe...

Ratios of the bases in different samples of nucleic acid yielded the following results: a.  A + C    =   0.6         b.     A  +  C    =  1            c.       A  + G    =  1.2

Lumpy skin disease, L u mp y skin disease The disease, reported from...

L u mp y skin disease The disease, reported from Sudan in 1970 and Egypt in 1988, is caused by a member of the Capripox virus. It affects cattle and is restricted to African

List principles to keep in mind for designing the messages, Q. List princip...

Q. List principles to keep in mind for designing the messages? o Develop a positive theme. Approaches are more effective when they promote positive messages that state clear

How are amino acids brought to the cellular site, How are amino acids broug...

How are amino acids brought to the cellular site where translation takes place? What is an anticodon? Amino acids are brought to ribosomes by RNA molecules called as transfer R

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd