Question

ual level
ii. Which of these major bio elements is in the highest percentage in protoplasm? ​

Answer 1

Answer:

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Explanation:

the correct answer is 'Nitrogen'

Answer 2

Answer:

Oxygen

Generally the protoplasm consists of oxygen, carbon, hydrogen and nitrogen. Approximately the oxygen is 62%, carbon 20%, hydrogen 10% and nitrogen 3%. The remainder of 5% part contains about thirty elements, of which calcium (Ca), iron (Fe), magnesium (Mg), chlorine (Cl), phosphorus (P), potassium (K), sulphur (S), etc., are important ones. In addition to these, boron (B), copper (Cu), fluorine (F), manganese (Mn) and silicon (Si) are found in small traces. In certain special cells alcohol, cobalt (Co) and zinc (Zn) are also found.