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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.
How different are fecundation in osteichthyes and in chondrichthyes? In chondrichthyes fecundation is internal by means of copulation. In osteichthyes fecundation generally is
Open or Blunderbuss Apex or divergent roots The mechanical cleaning & shaping of teeth with blunderbuss canal apex are very difficult if not impossibly orthogratly due to 1
(i) Area uses or permit exposure to radiation should be Marked' Restricted Area 'or Radiation zone etc. (ii) Avoid x-rays of chest and lower back in routine physic
Climax Forest - Xerarch First, some xerophytic species of trees, establish in this area. They are sparsely distributed and are stunted because the conditions are still not ver
HEMICELLULOSE It consists of mannose, galactose, arabinose & xylose. It is a structural polysaccharide which helps in formation of cell wall. Maximum quantity of hemic
What is thigmotropism? Thigmotropism is the movement or growth of the plant in response to mechanical stimuli (touch or physical contact), as when a plant grows around a suppor
Q. Differentiate between sterilization and disinfection? Sterilization is defined as freeing the object or substance from all life of any kind. It is the process by which an ar
Determine the Role as antioxidant? Some carotenoids, in addition to serving as a source of vitamin A, have been shown lo function as antioxidants. Studies show that lycopene. (
What type of metamorphosis do spongs go through is it reteogressive?
Intracellular sodium concentration of the motor neuron A complete motor neuron is removed from a frog and placed in normal physiological saline at 1 AM. The neuron is healthy.
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