NEET Biology Biomolecules Based Practice Questions & Answers with Viewers Discussion and Detailed Explanation

Biomolecules Topic Based

Question & Answer Discuss:

Many elements are found in living organisms either free or in the form of compounds. One of the following is not found in living organisms.

(a) Magnesium

(b) Silicon

(c) Iron

(d) Sodium

Answer: (b)

Various mineral elements present in living organisms include (i) major minerals (macro minerals)- Calcium (Ca), Chlorine (Cl), Magnesium (Mg), Phosphorus (P), Sodium (Na), Potassium (K), Sulphur (S) and (ii) trace minerals (micro minerals)- Chromium (Cr), Cobalt (Co), Copper (Cu), Fluorine (F), Iodine (I), Iron (Fe), Manganese (Mn), Molybdenum (Mo), Selenium (Se) and Zinc (Zn).

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