Analogies · Question 30 · Hard

Chlorophyll : Photosynthesis :: Haemoglobin : ?

  1. Blood clotting
  2. Oxygen transport
  3. Immunity
  4. Digestion
Answer and explanation

Answer: B. Oxygen transport

Explanation: Chlorophyll is the pigment that makes photosynthesis possible; haemoglobin is the pigment in red blood cells that carries oxygen.

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