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When toxic substances enter lakes, streams, rivers, oceans and other water bodies, they get dissolved or lie suspended in water. This causes pollution of water bodies, which degrade the quality of water so that either becomes health hazard or unfit for use and known as water pollution.
It is defined as deterioration of physical, chemical and biological properties of water brought about mainly by human activities and natural activities which causes harmful effects on human, plants and aquatic life.
Example: Domestics sewage, waste water discharge, industrial effluents, surface runoff water into river and sea.
Culture Medium - Techniques of Plant Tissue Culture In nature green plants are capable of synthesizing organic compounds necessary for their growth and development from the mi
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The different organs of the gastrointestinal system Mouth or buccal cavity - Teeth 32 Permanent and - Tongue Pharynx Oesophagus Stomach Small Intestine
Similar to all animal cells, protozoans are covered by a plasma membrane which surrounds cytoplasm of the cell, protozoan's integument or skin. Like all membranes, it's permeable;
What is Molting? Explain in brief. The periodic shedding of outer body covering of an animal. The term is applied to a variety of things including: loss of the outer exoskeleto
PGA as the first CO2 fixation product was discovered in photosynthesis of: 1. Bryophyte 2. Gymnosperm 3. Angiosperm 4. Alga Alga
Characteristics of Lake Ecosystems The environment of static waters of lakes and ponds sharply contrasts with those of lotic ecosystems. Light penetration in lakes is usually
The Environmental Disasters Are Classified Into Two Major Categories: 1. Natural Disasters like Earthquakes, Tsunami, Landslides, Cyclones, Floods, and Droughts Etc. 2.
Favus Fowl favus is a superficial, chronic, sporadic mycotic infection of birds caused mainly by Trichophyton gallinae. Very rarely Trichophyton simii is also involved in the
Define the advatages of Potassium The gross impact of these effects on crop production is manifested in several ways. Perhaps the first visible indication of a potassium defic
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