{
  "id": "19477775-96f2-5258-bbd0-acb650dc4cfa",
  "slug": "b3-2-c2-2-plant-transport-respiration-neural-signalling",
  "title": "B3.2–C2.2 Plant Transport, Respiration & Neural Signalling",
  "course": "IB Biology",
  "level": "SL and HL",
  "syllabusRange": [
    "B3.2",
    "C2.2"
  ],
  "questionCount": 19,
  "page": "https://splycr.com/ib-biology/b3-2-c2-2-plant-transport-respiration-neural-signalling",
  "data": "https://splycr.com/library/b3-2-c2-2-plant-transport-respiration-neural-signalling.json",
  "play": "https://splycr.com/?set=19477775-96f2-5258-bbd0-acb650dc4cfa",
  "source": {
    "name": "Biology by Bradford",
    "href": "https://biologybybradford.com"
  },
  "questions": [
    {
      "number": 1,
      "question": "What are the porous end-walls of phloem cells that allow for sap flow?",
      "answer": "Sieve plates",
      "wrongOptions": [
        "Limiting factor",
        "Proton gradient",
        "Myelin Sheath"
      ]
    },
    {
      "number": 2,
      "question": "Tissue made of dead, hollow tubes that transports water and minerals upwards?",
      "answer": "Xylem",
      "wrongOptions": [
        "Citrate",
        "Phloem",
        "Lignin"
      ]
    },
    {
      "number": 3,
      "question": "Living tissue that transports organic solutes (sugars) throughout the plant?",
      "answer": "Phloem",
      "wrongOptions": [
        "Lignin",
        "Citrate",
        "Xylem"
      ]
    },
    {
      "number": 4,
      "question": "The movement of organic solutes from \"sources\" to \"sinks\"?",
      "answer": "Translocation",
      "wrongOptions": [
        "Oxaloacetate",
        "ATP synthase",
        "Proton gradient"
      ]
    },
    {
      "number": 5,
      "question": "A polymer that strengthens xylem walls to prevent collapse under tension?",
      "answer": "Lignin",
      "wrongOptions": [
        "Citrate",
        "Phloem",
        "Translocation"
      ]
    },
    {
      "number": 6,
      "question": "Which ions become less available to corals and mollusks as the ocean acidifies?",
      "answer": "Carbonate ions (CO₃²⁻)",
      "wrongOptions": [
        "Range of tolerance",
        "Nodes of Ranvier",
        "Law of Limiting Factors"
      ]
    },
    {
      "number": 7,
      "question": "Principle that a process can only go as fast as its scarcest or slowest factor allows?",
      "answer": "Law of Limiting Factors",
      "wrongOptions": [
        "Carbonate ions (CO₃²⁻)",
        "Range of tolerance",
        "Electron transport chain"
      ]
    },
    {
      "number": 8,
      "question": "The range of environmental conditions within which a species can survive?",
      "answer": "Range of tolerance",
      "wrongOptions": [
        "Carbonate ions (CO₃²⁻)",
        "Law of Limiting Factors",
        "Mitochondrial Matrix"
      ]
    },
    {
      "number": 9,
      "question": "A factor (like temperature or pH) that prevents a population from increasing?",
      "answer": "Limiting factor",
      "wrongOptions": [
        "Proton gradient",
        "ATP synthase",
        "Sieve plates"
      ]
    },
    {
      "number": 10,
      "question": "Location of the link reaction and Krebs cycle?",
      "answer": "Mitochondrial Matrix",
      "wrongOptions": [
        "Carbonate ions (CO₃²⁻)",
        "ATP synthase",
        "Range of tolerance"
      ]
    },
    {
      "number": 11,
      "question": "4C molecule in the Krebs cycle that accepts the acetyl group from acetyl CoA?",
      "answer": "Oxaloacetate",
      "wrongOptions": [
        "Translocation",
        "Limiting factor",
        "Myelin Sheath"
      ]
    },
    {
      "number": 12,
      "question": "6C molecule formed at start of Krebs?",
      "answer": "Citrate",
      "wrongOptions": [
        "Lignin",
        "Phloem",
        "Oxaloacetate"
      ]
    },
    {
      "number": 13,
      "question": "What term describes the series of electron carriers in the inner mitochondrial membrane?",
      "answer": "Electron transport chain",
      "wrongOptions": [
        "Carbonate ions (CO₃²⁻)",
        "Range of tolerance",
        "Resting Potential (about −70 mV)"
      ]
    },
    {
      "number": 14,
      "question": "Which enzyme synthesizes ATP as protons flow down their concentration gradient?",
      "answer": "ATP synthase",
      "wrongOptions": [
        "Myelin Sheath",
        "Sieve plates",
        "Limiting factor"
      ]
    },
    {
      "number": 15,
      "question": "What term describes a difference in H⁺ concentration across a membrane?",
      "answer": "Proton gradient",
      "wrongOptions": [
        "Myelin Sheath",
        "Sieve plates",
        "ATP synthase"
      ]
    },
    {
      "number": 16,
      "question": "What is the insulating layer around an axon made of Schwann cells?",
      "answer": "Myelin Sheath",
      "wrongOptions": [
        "ATP synthase",
        "Limiting factor",
        "Sieve plates"
      ]
    },
    {
      "number": 17,
      "question": "What are the gaps in the myelin sheath where ion exchange occurs?",
      "answer": "Nodes of Ranvier",
      "wrongOptions": [
        "Range of tolerance",
        "Limiting factor",
        "Carbonate ions (CO₃²⁻)"
      ]
    },
    {
      "number": 18,
      "question": "The resting state of a neuron where the inside is more negative than the outside?",
      "answer": "Resting Potential (about −70 mV)",
      "wrongOptions": [
        "Depolarization (inside becomes positive)",
        "Electron transport chain",
        "Law of Limiting Factors"
      ]
    },
    {
      "number": 19,
      "question": "The phase where sodium (Na⁺) channels open and Na⁺ rushes into the cell?",
      "answer": "Depolarization (inside becomes positive)",
      "wrongOptions": [
        "Resting Potential (about −70 mV)",
        "Electron transport chain",
        "Law of Limiting Factors"
      ]
    }
  ]
}