GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Oxygen
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Zinc
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Carbon
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Potassium
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Detailed explanation-1: -Zinc is not an element common to all living organisms. The six elements common to all living organisms are: Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus and Sulfur.
Detailed explanation-2: -Zinc is found in cells throughout the body. It helps your immune system fight off invading bacteria and viruses. Your body also uses zinc to make DNA (the genetic material in cells) and proteins. During pregnancy, infancy, childhood, and adolescence the body needs zinc to grow and develop properly.
Detailed explanation-3: -Complete Answer: The four most common elements are oxygen, carbon, hydrogen and nitrogen. Along with calcium and phosphorus, they make up 99% of the mass of living organisms. Sulphur is the element that is not one of the four most common elements.
Detailed explanation-4: -Of the mineral elements discussed here, those that have nutritional significance are chromium, cobalt, copper, iodine, iron, manganese, nickel, selenium, and zinc. Those that are not essential to humans are antimony, aluminum, bismuth, beryllium, cadmium, lead, mercury, and thallium.
Detailed explanation-5: -Magnesium. Magnesium is the least common of the essential elements in the human body.