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NEET Biology NEET PYQ-Digestion and Absorption

  • question_answer
    About 98 percent of the mass of every living organism is composed of just six elements including carbon, hydrogen, nitrogen, oxygen and: [AIPMT (S) 2007]

    A) phosphorus and sulphur

    B)   sulphur and magnesium

    C) magnesium and sodium

    D) calcium and phosphorus

    Correct Answer: A

    Solution :

    [A] About 98% of the mass of every living organism including bacterium and human beings is composed of just six elements i.e., Carbon [C], Hydrogen (H), Nitrogen (N), Oxygen (O), Phosphorus (P) and Sulphur (S).


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