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Question 2

The four elements that form the 99% of the protoplasm are

  • A.N, O, P, S
  • B.C, H, N, O
  • C.H, N, Ca, Cl
  • D.C, O, Ca, S
Objective

Question details

Exam body
NDA
Subject
Biology
Year
2014/2015
Question no.
#2
Type
Objective
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