CELL STRUCTURES AND FUNCTION
BIO MOLECULES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Carbon
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Silicon
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Nitrogen
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Hydrogen
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Oxygen
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Detailed explanation-1: -Just four of these – carbon (C), oxygen (O), hydrogen (H) and nitrogen (N) – make up about 96% of the human body.
Detailed explanation-2: -A lot of chemical elements are necessary for the healthy life of any living organism. The elements that are present in the highest quantities in living organisms are oxygen, carbon, hydrogen, nitrogen, sulfur, and phosphorus. These elements make up about 99% of their living mass.
Detailed explanation-3: -The first element of Group 16 of the periodic table, oxygen is the element on which our very existence on earth depends. Humans and almost all life forms on earth need it for every breath they take and for producing energy through the combustion of food within their body.
Detailed explanation-4: -Carbon, hydrogen, oxygen, and nitrogen are four elements essential to life. They form the building blocks that make life possible and account for 96% of all atoms in living things.