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Question 10

In an experiment to investigate the effect of nitrogen on the growth of plants, the substrate should be a medium of

  • A.washed sand
  • B.saw dust
  • C.cow dung
  • D.clay soil
Objective

Question details

Exam body
UNN
Subject
Biology
Year
2015/2016 DAY 2
Question no.
#10
Type
Objective
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