Articles > Heterotroph Dictionary – quiz Heterotroph Dictionary – quiz Quiz Choose the best answer. 1. Uses light energy Photoheterotroph Chemoheterotroph Heterotroph 2. Energy from inorganic oxidation Photoheterotroph Chemoheterotroph Heterotroph 3. Example of a photoheterotroph Humans Plants Heliobacteria 4. All of the following are used by lithotrophs as an electron source except for ... Nitrite Sulfue Glucose 5. Which of the following is not an ecological role of a heterotroph? Producer Primary consumer Secondary consumer Send Your Results (Optional) Your Name To Email Time is Up!