Urea y cicloVersion en ligne Test your knowledge about urea and its significance in biology and chemistry! par Michelle Mondaca 1 What is the chemical formula of urea? Escoge una o varias respuestas a C3H7NO b NH4Cl c C2H5NO d CO(NH2)2 2 What is the chemical formula of urea? a C3H7NO b NH4Cl c C2H5NO d CO(NH2)2 3 Urea is primarily produced in which organ of the human body? a Heart b Lungs c Liver d Kidneys 4 What is the primary function of urea in the body? a Energy production b Nitrogen excretion c Hormone regulation d Oxygen transport 5 Urea is a product of which metabolic process? a Carbohydrate metabolism b Nucleic acid metabolism c Protein metabolism d Lipid metabolism 6 Which industry commonly uses urea as a fertilizer? a Agriculture b Pharmaceuticals c Textiles d Construction 7 What is the state of urea at room temperature? a Gas b Plasma c Liquid d Solid 8 Which of the following is a common use of urea in cosmetics? a Anti-aging serum b Moisturizer c Exfoliant d Sunscreen 9 What is the solubility of urea in water? a Highly soluble b Insoluble c Moderately soluble d Slightly soluble 10 Urea is synthesized from which two nitrogenous compounds? a Ammonia and carbon dioxide b Uric acid and ammonia c Nitrite and carbon monoxide d Nitrate and sulfate 11 In what form is urea commonly found in urine? a Solid crystals b Dissolved c Suspended particles d Gas
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