Bio Chapter 1.1

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Anonymous
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159207
Filename:
Bio Chapter 1.1
Updated:
2012-06-18 14:57:46
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bio chapter
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Description:
Grade 10 bio review chapter 1.1
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  1. Microscope magnification on "Low"
    4.25 mm
  2. Who invented the first compound microscope in 1595?
    A) Antoni van Leeuwenhoek
    B) Robert Hooke
    C) Hans and Zacharias Janssen
    C) Hans and Zacharias Janssen
    (this multiple choice question has been scrambled)
  3. Who invented the three-lens system microscope by 1660? 
    A) Antoni van Leeuwenhoek
    B) Robert Hooke
    C) Hans and Zacharias Janssen 
    B) Robert Hooke
    (this multiple choice question has been scrambled)
  4. Was the first to see the movement of different types of single cells using only a single-lens microscope.
    A) Antoni van Leeuwenhoek
    B) Robert Hooke
    C) Hans and Zacharias Janssen 
    A) Antoni van Leeuwenhoek
    (this multiple choice question has been scrambled)
  5. What is the difference between a simple and a compound microscope?
    • Simple microscope: works with a single lens. Does not give a very high magnification and may be used for reading or observing cloth, etc. A magnifying glass or lens is a simple microscope.
    • Compound microscope: involves two lenses. Helps in studying the fine details of minute objects like microbes etc. Microscopes and telescopes are examples of compound microscopes.
  6. How to calculate magnification:
    • = (power of objective lens) (power of eyepiece)
    • = (4) (10)
    • = 40X

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