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JAMB Biology 1997 Question 13

Question 13

Photosynthesis and Plant Nutrition

Trace elements are required by plants mainly for the

  1. A.formation of pigments and enzymes
  2. B.production of energy and hormones
  3. C.manufacture of carbohydrates
  4. D.manufacture of proteins.
Show the answer and explanation

Answer: A (formation of pigments and enzymes)

Explanation

Trace elements such as iron, copper, zinc and manganese are needed in tiny amounts, mainly as parts of pigments and enzymes.