WAEC Agricultural Science 1992 Question 9

Question 9

Soil Fertility and Plant Nutrition

Use the diagram (the nitrogen cycle, with stages labelled I to VIII) to answer this question. When VI and VII are decomposed, they produce V which are

A.inorganic residues
B.ammonium salts
C.nitrites
D.dead woods
E.organic residues.

Show the answer and explanation

Answer: E (organic residues.)

Explanation

Dead plants (VII) and animals (VI) decay to organic residues (V), which are then ammonified.