APES Unit 8 Progress Check: MCQ Part A_ Questions with Solutions_2023

APES Unit 8 Progress Check: MCQ Part A_ Questions with Solutions_2023 1. Based on the diagram, which of the following processes most likely caused the algal bloom in the lake? (Correct) - B) Runoff carried excess fertilizer from the cornfield into the water. 2. Based on the diagram, which of the following processes most likely caused the bottom-dwelling plants in the lake to die? (Correct) - C) The algal bloom prevented sunlight from reaching the bottom-dwelling plants, which reduced the rates of photosynthesis. 3. Based on the diagram, which of the following processes most likely caused the fish in the lake to die? (Correct) - A) The remains of the bottom-dwelling plants and algae decomposed, depleting the amount of oxygen in the water. 4. Which of the following correctly identifies both a nonpoint source and a point source of pollution? (Correct) - D) D 5. Which of the following would best be described as a point source of pollution from a farm? (Correct) - B) Runoff from the waste lagoons of Concentrated Animal Feeding Operations, which enters local waterways after a flooding event 6.Which of the following is an example of a point source of pollution? (Correct) - A) A leaking septic tank 7. Which of the following best describes the action of endocrine disruptors in organisms? (Correct) - C) Endocrine disruptors mimic naturally occurring hormones in animals, leading to developmental disorders.