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WAEC Biology 1988 Question 31

Question 31

Photosynthesis and Plant Nutrition

Autotropic nutrition may be defined in terms of food obtained

  1. A.from other organisms in exchange for some products
  2. B.by the breakdown of complex substances
  3. C.by an organism utilizing its own store of energy
  4. D.by synthesizing simple substances using energy from an external source
  5. E.in a synthesized form from other living organism
Show the answer and explanation

Answer: D (by synthesizing simple substances using energy from an external source)

Explanation

Autotrophs build their own food from simple substances (CO₂, water) using energy from outside, such as sunlight.