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NEET AIPMT SOLVED PAPER SCREENING 2007

  • question_answer
                    About 98 percent of the mass of every living organism is composed of just six elements including carbon, hydrogen, nitrogen, oxygen and:                                                                                                            

    A)                  phosphorus and sulphur                             

    B)                  sulphur and magnesium

    C)                  magnesium and sodium                              

    D)                  calcium and phosphorus

    Correct Answer: A

    Solution :

                    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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