{
  "id": "54d5176d-5b4f-5352-bcb6-1debb928d323",
  "slug": "c1-3-photosynthesis-hl",
  "title": "C1.3 Photosynthesis (HL)",
  "course": "IB Biology",
  "level": "HL",
  "syllabusCode": "C1.3",
  "questionCount": 16,
  "page": "https://splycr.com/ib-biology/c1-3-photosynthesis-hl",
  "data": "https://splycr.com/library/c1-3-photosynthesis-hl.json",
  "play": "https://splycr.com/?set=54d5176d-5b4f-5352-bcb6-1debb928d323",
  "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": "What do we call the splitting of water using light energy: 2H₂O → 4H⁺ + 4e⁻ + O₂?",
      "answer": "Photolysis",
      "wrongOptions": [
        "RuBisCO",
        "RuBP",
        "ATP"
      ]
    },
    {
      "number": 2,
      "question": "Which pigment complex absorbs 700 nm light and energises electrons to reduce NADP?",
      "answer": "Photosystem I",
      "wrongOptions": [
        "Triose phosphate",
        "Calvin cycle",
        "Photosystem II"
      ]
    },
    {
      "number": 3,
      "question": "Which pigment complex absorbs 680 nm light to energise electrons to power the ETC?",
      "answer": "Photosystem II",
      "wrongOptions": [
        "Triose phosphate",
        "Carbon fixation",
        "Photosystem I"
      ]
    },
    {
      "number": 4,
      "question": "What is the final electron acceptor in light reactions?",
      "answer": "NADP⁺",
      "wrongOptions": [
        "RuBP",
        "NADPH (reduced NADP)",
        "ATP"
      ]
    },
    {
      "number": 5,
      "question": "What carries electrons and hydrogen to the stroma for the Calvin cycle?",
      "answer": "NADPH (reduced NADP)",
      "wrongOptions": [
        "ATP",
        "NADP⁺",
        "RuBP"
      ]
    },
    {
      "number": 6,
      "question": "What process makes ATP using light energy in photosynthesis?",
      "answer": "photophosphorylation",
      "wrongOptions": [
        "Photolysis",
        "Photosystem I",
        "Glycerate 3-phosphate (GP)"
      ]
    },
    {
      "number": 7,
      "question": "Cycle of light-independent reactions in the stroma that fixes CO₂ and regenerates RuBP?",
      "answer": "Calvin cycle",
      "wrongOptions": [
        "Carbon fixation",
        "Photosystem II",
        "Triose phosphate"
      ]
    },
    {
      "number": 8,
      "question": "What is the incorporation of CO₂ into organic molecules by RuBisCO?",
      "answer": "Carbon fixation",
      "wrongOptions": [
        "Triose phosphate",
        "Photosystem II",
        "Photosystem I"
      ]
    },
    {
      "number": 9,
      "question": "Which enzyme catalyzes carbon fixation in the Calvin cycle?",
      "answer": "RuBisCO",
      "wrongOptions": [
        "Photolysis",
        "NADPH (reduced NADP)",
        "ATP"
      ]
    },
    {
      "number": 10,
      "question": "Which five-carbon molecule accepts CO₂ in the Calvin cycle?",
      "answer": "RuBP",
      "wrongOptions": [
        "ATP",
        "NADPH (reduced NADP)",
        "NADP⁺"
      ]
    },
    {
      "number": 11,
      "question": "First stable three-carbon compound formed after carbon fixation?",
      "answer": "Glycerate 3-phosphate (GP)",
      "wrongOptions": [
        "Stroma of the chloroplast",
        "Photosystem II",
        "Triose phosphate"
      ]
    },
    {
      "number": 12,
      "question": "What is the result of the reduction of GP?",
      "answer": "Triose phosphate",
      "wrongOptions": [
        "Carbon fixation",
        "Photosystem II",
        "Photosystem I"
      ]
    },
    {
      "number": 13,
      "question": "Where specifically do the light-independent reactions occur?",
      "answer": "Stroma of the chloroplast",
      "wrongOptions": [
        "ATP and reduced NADP",
        "Glycerate 3-phosphate (GP)",
        "Regenerated into RuBP"
      ]
    },
    {
      "number": 14,
      "question": "Which two products of the light-dependent reactions are used in the Calvin cycle?",
      "answer": "ATP and reduced NADP",
      "wrongOptions": [
        "Stroma of the chloroplast",
        "Regenerated into RuBP",
        "Triose phosphate"
      ]
    },
    {
      "number": 15,
      "question": "What happens to most (5/6) of the triose phosphate produced?",
      "answer": "Regenerated into RuBP",
      "wrongOptions": [
        "ATP and reduced NADP",
        "Glycerate 3-phosphate (GP)",
        "Photosystem I"
      ]
    },
    {
      "number": 16,
      "question": "What molecule provides the energy to regenerate RuBP from TP?",
      "answer": "ATP",
      "wrongOptions": [
        "RuBP",
        "NADP⁺",
        "NADPH (reduced NADP)"
      ]
    }
  ]
}