WAEC Biology 2017 Question 7

Question 7

Photosynthesis and Plant Nutrition

The organism that can carry out both autotrophic and heterotrophic modes of nutrition is

  1. A.Chlamydomonas.
  2. B.Eudorina.
  3. C.Euglena.
  4. D.Spirogyra.
Show the answer and explanation

Answer: C (Euglena.)

Explanation

Euglena photosynthesises with its chloroplasts in light, but in the dark it can absorb food from its surroundings like an animal.