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WAEC Agricultural Science 2012 Question 12

Question 12

Soil Fertility and Plant Nutrition

Use the diagram below to answer questions 11 and 12.
The part of the diagram labelled I is

Diagram for this question
  1. A.carbon dioxide.
  2. B.photosynthesis.
  3. C.plant.
  4. D.nitrification.
Show the answer and explanation

Answer: C (plant.)

Explanation

Carbon dioxide is used for carbohydrate synthesis in plants (I), which are then eaten by animals.