{
  "id": "85cf9e4c-fcf3-5db4-8cdf-1ce1bbaf8c4e",
  "slug": "topic-4-water-part-2",
  "title": "Topic 4: Water (part 2)",
  "course": "IB ESS",
  "level": "SL",
  "topic": 4,
  "questionCount": 9,
  "page": "https://splycr.com/ib-ess/topic-4-water-part-2",
  "data": "https://splycr.com/library/topic-4-water-part-2.json",
  "play": "https://splycr.com/?set=85cf9e4c-fcf3-5db4-8cdf-1ce1bbaf8c4e",
  "section": {
    "name": "Topic 4: Water",
    "page": "https://splycr.com/ib-ess/water"
  },
  "source": {
    "name": "Biology by Bradford",
    "href": "https://biologybybradford.com"
  },
  "questions": [
    {
      "number": 1,
      "question": "Microscopic photosynthetic organisms forming the base of aquatic food webs?",
      "answer": "Phytoplankton",
      "wrongOptions": [
        "Eutrophication",
        "Aquaculture",
        "Fishery collapse"
      ]
    },
    {
      "number": 2,
      "question": "The highest annual harvest that can be sustained indefinitely without depleting the stock?",
      "answer": "Maximum sustainable yield (MSY)",
      "wrongOptions": [
        "Biochemical oxygen demand (BOD)",
        "Water quality index (WQI)",
        "Marine protected areas (MPAs)"
      ]
    },
    {
      "number": 3,
      "question": "Sudden fall of a fish stock to a small fraction of its former size because harvesting exceeded the stock's regeneration rate?",
      "answer": "Fishery collapse",
      "wrongOptions": [
        "Phytoplankton",
        "Algal bloom",
        "Eutrophication"
      ]
    },
    {
      "number": 4,
      "question": "Designated zones of ocean or coast where fishing and other extractive activities are restricted to conserve ecosystems?",
      "answer": "Marine protected areas (MPAs)",
      "wrongOptions": [
        "Water quality index (WQI)",
        "Biochemical oxygen demand (BOD)",
        "Maximum sustainable yield (MSY)"
      ]
    },
    {
      "number": 5,
      "question": "Farming of aquatic organisms (fish, molluscs, crustaceans, plants) in controlled environments?",
      "answer": "Aquaculture",
      "wrongOptions": [
        "Algal bloom",
        "Phytoplankton",
        "Eutrophication"
      ]
    },
    {
      "number": 6,
      "question": "Measure of dissolved oxygen consumed by microorganisms decomposing organic matter in water; indicates pollution?",
      "answer": "Biochemical oxygen demand (BOD)",
      "wrongOptions": [
        "Maximum sustainable yield (MSY)",
        "Water quality index (WQI)",
        "Marine protected areas (MPAs)"
      ]
    },
    {
      "number": 7,
      "question": "Excessive nutrient enrichment of water causing algal blooms, oxygen depletion and ecosystem damage?",
      "answer": "Eutrophication",
      "wrongOptions": [
        "Phytoplankton",
        "Fishery collapse",
        "Aquaculture"
      ]
    },
    {
      "number": 8,
      "question": "Rapid overgrowth of algae following nutrient enrichment; reduces light and oxygen in water?",
      "answer": "Algal bloom",
      "wrongOptions": [
        "Fishery collapse",
        "Aquaculture",
        "Eutrophication"
      ]
    },
    {
      "number": 9,
      "question": "Single score combining several measured parameters (e.g. dissolved oxygen, pH, nitrates, turbidity) to summarize the condition of a river or lake?",
      "answer": "Water quality index (WQI)",
      "wrongOptions": [
        "Marine protected areas (MPAs)",
        "Maximum sustainable yield (MSY)",
        "Biochemical oxygen demand (BOD)"
      ]
    }
  ]
}