{
  "id": "81808d85-4b3d-5bbf-af3e-ad9b40f5905b",
  "slug": "microscopy-and-cell-size",
  "title": "Microscopy and cell size",
  "course": "General Biology",
  "questionCount": 18,
  "page": "https://splycr.com/general-biology/microscopy-and-cell-size",
  "data": "https://splycr.com/library/microscopy-and-cell-size.json",
  "play": "https://splycr.com/?set=81808d85-4b3d-5bbf-af3e-ad9b40f5905b",
  "source": {
    "name": "Biology by Bradford",
    "href": "https://www.biologybybradford.com",
    "note": "Written for the splycr library by Biology by Bradford."
  },
  "questions": [
    {
      "number": 1,
      "question": "Magnification is calculated as…?",
      "answer": "Image size ÷ actual size",
      "wrongOptions": [
        "Actual size ÷ image size",
        "Image size × actual size",
        "Actual size − image size"
      ]
    },
    {
      "number": 2,
      "question": "Ability to distinguish two points that are close together as separate?",
      "answer": "Resolution",
      "wrongOptions": [
        "Magnification",
        "Contrast",
        "Focus"
      ]
    },
    {
      "number": 3,
      "question": "Instrument able to resolve individual ribosomes inside a cell?",
      "answer": "Electron microscope",
      "wrongOptions": [
        "Light microscope",
        "Stereo microscope",
        "Hand lens"
      ]
    },
    {
      "number": 4,
      "question": "Instrument that gives detailed 3D images of the surface of a pollen grain at ×10 000?",
      "answer": "Scanning electron microscope",
      "wrongOptions": [
        "Transmission electron microscope",
        "Light microscope",
        "Stereo microscope"
      ]
    },
    {
      "number": 5,
      "question": "Approximate limit of resolution of a light microscope?",
      "answer": "200 nm",
      "wrongOptions": [
        "0.2 nm",
        "2 nm",
        "2 mm"
      ]
    },
    {
      "number": 6,
      "question": "Number of nanometres in one micrometre?",
      "answer": "1000",
      "wrongOptions": [
        "100",
        "10",
        "1 000 000"
      ]
    },
    {
      "number": 7,
      "question": "Unit equal to one-thousandth of a millimetre?",
      "answer": "Micrometre",
      "wrongOptions": [
        "Nanometre",
        "Centimetre",
        "Picometre"
      ]
    },
    {
      "number": 8,
      "question": "Total magnification with a ×10 eyepiece and a ×40 objective?",
      "answer": "×400",
      "wrongOptions": [
        "×50",
        "×4",
        "×4000"
      ]
    },
    {
      "number": 9,
      "question": "Magnification of an image 5 mm long of a cell that is really 50 µm long?",
      "answer": "×100",
      "wrongOptions": [
        "×10",
        "×1000",
        "×250"
      ]
    },
    {
      "number": 10,
      "question": "Real length of a cell that measures 20 mm in a drawing at ×1000?",
      "answer": "20 µm",
      "wrongOptions": [
        "2 µm",
        "200 µm",
        "20 mm"
      ]
    },
    {
      "number": 11,
      "question": "Typical diameter range of an animal cell?",
      "answer": "10–30 µm",
      "wrongOptions": [
        "10–30 nm",
        "10–30 mm",
        "1–3 mm"
      ]
    },
    {
      "number": 12,
      "question": "Typical length range of a bacterium?",
      "answer": "1–5 µm",
      "wrongOptions": [
        "1–5 nm",
        "1–5 mm",
        "100–500 µm"
      ]
    },
    {
      "number": 13,
      "question": "Dark stain commonly used to show the nuclei of human cheek cells?",
      "answer": "Methylene blue",
      "wrongOptions": [
        "Iodine solution",
        "Benedict's solution",
        "Biuret reagent"
      ]
    },
    {
      "number": 14,
      "question": "Yellow-brown stain often added to onion epidermis to make nuclei visible?",
      "answer": "Iodine solution",
      "wrongOptions": [
        "Methylene blue",
        "Benedict's solution",
        "Ethanol"
      ]
    },
    {
      "number": 15,
      "question": "Thin square of glass lowered over a specimen on a slide?",
      "answer": "Coverslip",
      "wrongOptions": [
        "Stage",
        "Objective lens",
        "Mirror"
      ]
    },
    {
      "number": 16,
      "question": "Part on the rotating nosepiece that sits just above the specimen?",
      "answer": "Objective lens",
      "wrongOptions": [
        "Eyepiece lens",
        "Condenser lens",
        "Mirror"
      ]
    },
    {
      "number": 17,
      "question": "Control used first, at low power, to bring a specimen roughly into view?",
      "answer": "Coarse focus",
      "wrongOptions": [
        "Fine focus",
        "Diaphragm",
        "Stage clips"
      ]
    },
    {
      "number": 18,
      "question": "Electron microscopes cannot view living cells because the sample must be held in a…?",
      "answer": "Vacuum",
      "wrongOptions": [
        "Liquid",
        "Stain",
        "Water bath"
      ]
    }
  ]
}