Question

Choose the set of elements which are more abundant in living tissue as compared to earth's crust
(A) C.NO,
(B) Si, Ca, Mg, Na
(C) H,C,N,O and Si
(D) O,Si, Mg, Ca​

Answer 1

Answer:

ANSWER

Various mineral elements present in living organisms include (i) major elements, and they are:-

Carbon (C), nitrogen (N), oxygen (O), hydrogen (H), phosphorus (P), calcium (Ca), magnesium (Mg), sodium (Na), potassium (K) and chlorine (Cl) and

(ii) trace elements, and they are:-

Iodine (I), iron (Fe), manganese (Mn), cobalt (Co), copper (Cu), zinc (Zn), molybdenum (Mo), boron etc.

Hope it helps......

Answer 2

Answer:

i think option c

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