Articles > Assimilation Dictionary – quiz Assimilation Dictionary – quiz Quiz Choose the best answer. 1. What is assimilation? The process wherein the nutrients are integrated into the biological systems of the organism The process wherein the compounds are build inside the organism for absorption. The process of releasing byproducts of metabolic reaction 2. Which of the following is not a biological assimilation? Small intestine absorbing nutrients after digestion Nitrogen-fixing bacteria converting nitrogen from air Animals voiding urine 3. Organisms producing their food via assimilating light, water, and carbon dioxide Autotrophs Heterotrophs Both autotrophs and heterotrophs 4. Organisms that generally obtain energy by digesting and assimilating digested substances Autotrophs Heterotrophs Both autotrophs and heterotrophs 5. Which of the human biological systems is chiefly involved in biological assimilation? Integumentary system Digestive system Muscular system Send Your Results (Optional) Your Name To Email Time is Up!