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Selenium
Selenium toxicity due to pollution of environment has been reported in animals. Contamination of pasture from industries emitting fly ash particularly form soft coal may cause selenium poisoning in grazing animals. In 1980-89, poisoning characterized by alopecia and foot scaling, was reported in pigs in China due to use of selenium rich stone coal by farmers for fumigation of soil and as fertilizers. Relationship between selenium toxicity and plant selenium level has been established and selenium excess was considered as one of the factors causing Dengnala disease that affected thousands of cattle and buffaloes in India and Pakistan.
That is eutrophication? Explain with reference to aquatic ecosystem. or Name any two source organisms of agar. List any four areas in which agar has wide application.
Rheumatic fever is an immunologically mediated connective tissue disorder following throat infection with group-A streptococci (GAS). It is characterised by an inflammatory proces
Q. Objectives of taxonomy? Plants and animals both have a great significance and unparalleled impact on human life. Most of our needs are fulfilled with plants such as foodstuf
What are the cells produced in the first stage of the embryonic development called? The cells that result from the cleavage (the first stage of the embryonic development) are k
Q. What do you understand by Pericardium? Pericardium is the covering sac of the heart. The pericardium prevents acute cardiac chamber dilatation. Acute pericarditis, pericardi
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Industrial melanism refers to the dark pigmentation that evolved in some insects giving them protective coloration on vegetation darkened by soot in heavily industrialized areas pr
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Explain Free Water - Water Found in Food? Water which is bound by such minute forces, that its vapour pressure is equal to the vapour pressure of pure water. It can be found as
Raw Material for Industry - impacts on biodiversity The industry, producing goods and services, relies and impacts on biodiversity directly. Much of the raw material that goes
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