Articles > Quizzes & Surveys > Effect of Chemicals on Growth & Development in Organisms – Quiz Effect of Chemicals on Growth & Development in Organisms – Quiz Quiz Choose the best answer. 1. Plants need this element to produce greener leaves Nitrogen Phosphorus Potassium Magnesium 2. A byproduct of aerobic respiration Carbon dioxide Oxygen Potassium Nitrogen 3. Can lead to brain damage and prevent the action of the enzyme catalase Magnesium Lead Vitamins Calcium 4. Important in bone formation Potassium Lead Carbon dioxide Calcium 5. A constituent of hemoglobin Iron Nicotine Magnesium Alcohol Send Your Results (Optional) Your Name To Email Time is Up!