{
  "id": "61330cb8-b6b0-57c2-8879-37a12d8ec069",
  "slug": "c4-2-transfers-of-energy-and-matter-part-2",
  "title": "C4.2 Transfers of Energy and Matter (part 2)",
  "course": "IB Biology",
  "level": "SL",
  "syllabusCode": "C4.2",
  "questionCount": 13,
  "page": "https://splycr.com/ib-biology/c4-2-transfers-of-energy-and-matter-part-2",
  "data": "https://splycr.com/library/c4-2-transfers-of-energy-and-matter-part-2.json",
  "play": "https://splycr.com/?set=61330cb8-b6b0-57c2-8879-37a12d8ec069",
  "section": {
    "name": "Theme C: Interaction and interdependence",
    "page": "https://splycr.com/ib-biology/interaction-and-interdependence"
  },
  "source": {
    "name": "Biology by Bradford",
    "href": "https://biologybybradford.com"
  },
  "questions": [
    {
      "number": 1,
      "question": "A heterotroph that obtains nutrients from non-living organic matter by secreting digestive enzymes onto it and absorbing the products (external digestion)?",
      "answer": "Saprotroph",
      "wrongOptions": [
        "Rhizobium",
        "Assimilation",
        "Nitrification"
      ]
    },
    {
      "number": 2,
      "question": "What term describes an organism's position in a food chain or food web?",
      "answer": "Trophic level",
      "wrongOptions": [
        "Energy Limitation",
        "Nitrogen Fixation",
        "Primary consumer"
      ]
    },
    {
      "number": 3,
      "question": "What is an organism that eats producers (a herbivore) called?",
      "answer": "Primary consumer",
      "wrongOptions": [
        "Energy Limitation",
        "Trophic level",
        "Nitrogen Fixation"
      ]
    },
    {
      "number": 4,
      "question": "The process of converting atmospheric nitrogen gas (N₂) into ammonia (NH₃)?",
      "answer": "Nitrogen Fixation",
      "wrongOptions": [
        "Trophic level",
        "Primary consumer",
        "Energy Limitation"
      ]
    },
    {
      "number": 5,
      "question": "The bacteria found in root nodules of legumes that perform nitrogen fixation?",
      "answer": "Rhizobium",
      "wrongOptions": [
        "Saprotroph",
        "About 10%",
        "Assimilation"
      ]
    },
    {
      "number": 6,
      "question": "The conversion of ammonia into nitrites (NO₂⁻) and then into nitrates (NO₃⁻)?",
      "answer": "Nitrification",
      "wrongOptions": [
        "Denitrification",
        "Assimilation",
        "Nitrogen Fixation"
      ]
    },
    {
      "number": 7,
      "question": "The type of soil bacteria that perform nitrification in aerobic conditions?",
      "answer": "Nitrifying Bacteria",
      "wrongOptions": [
        "Cellular Respiration",
        "Energy Limitation",
        "Primary consumer"
      ]
    },
    {
      "number": 8,
      "question": "The process where nitrates are converted back into nitrogen gas, usually in waterlogged (anaerobic) soils?",
      "answer": "Denitrification",
      "wrongOptions": [
        "Nitrification",
        "Assimilation",
        "Trophic level"
      ]
    },
    {
      "number": 9,
      "question": "The process by which plants take up nitrates from the soil to build proteins?",
      "answer": "Assimilation",
      "wrongOptions": [
        "Nitrification",
        "Denitrification",
        "Trophic level"
      ]
    },
    {
      "number": 10,
      "question": "The average percentage of energy transferred from one trophic level to the next?",
      "answer": "About 10%",
      "wrongOptions": [
        "Primary consumer",
        "kJ m⁻² yr⁻¹",
        "Saprotroph"
      ]
    },
    {
      "number": 11,
      "question": "The scientific unit used to measure energy flow in a pyramid of energy?",
      "answer": "kJ m⁻² yr⁻¹",
      "wrongOptions": [
        "Nitrogen Fixation",
        "Energy Limitation",
        "Primary consumer"
      ]
    },
    {
      "number": 12,
      "question": "The main reason energy is lost between trophic levels (related to staying alive)?",
      "answer": "Cellular Respiration",
      "wrongOptions": [
        "Nitrifying Bacteria",
        "Trophic level",
        "Nitrogen Fixation"
      ]
    },
    {
      "number": 13,
      "question": "Why do food chains rarely have more than 4 or 5 trophic levels?",
      "answer": "Energy Limitation",
      "wrongOptions": [
        "Primary consumer",
        "Trophic level",
        "Nitrogen Fixation"
      ]
    }
  ]
}