A) \[C,H,O,N\]
B) \[C,P,H,S\]
C) \[H,O,N,S\]
D) \[P,C,O,N\]
Correct Answer: A
Solution :
: Protoplasm is made up mainly of\[C,H,\text{O},\] and N, which make up 95% by weight of the body. The proportions of various elements in protoplasm is - oxygen (65%), carbon (8%), hydrogen (10%), nitrogen (3%), calcium (2.5%), phosphorous (1.14%), chlorine (0.15%), sulphur (0.16%) and potassium, sodium, magnesium, iodine, iron etc. are in traces.
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