Botany: The Science of Plant Life
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Questions and Answers

How many species of land plants do botanists study approximately?

  • 410,000 (correct)
  • 391,000
  • 369,000
  • 20,000
  • What is the Ancient Greek word βοτάνη (botanē) meaning?

  • Fodder
  • Pasture (correct)
  • Grass
  • Herbs
  • Which group of organisms are within the sphere of interest of the International Botanical Congress?

  • Vascular plants, bryophytes, and flowering plants
  • Herbs, grass, and fodder
  • Mycologists, phycologists, and botanists
  • Land plants, fungi, and algae (correct)
  • What was the earliest endeavor of human investigation related to plant life?

    <p>Herbalism</p> Signup and view all the answers

    What was one of the earliest botanical gardens attached to universities?

    <p>Padua botanical garden</p> Signup and view all the answers

    What is responsible for the translucency of some colloids?

    <p>The Tyndall effect</p> Signup and view all the answers

    What term describes the chemicals that are colloidally dispersible in water?

    <p>Hydrocolloids</p> Signup and view all the answers

    What is the dispersed phase in a colloid?

    <p>The suspended particles</p> Signup and view all the answers

    Who coined the term 'colloid' in 1861?

    <p>Thomas Graham</p> Signup and view all the answers

    Which field of study is concerned with colloidal suspensions?

    <p>Interface and colloid science</p> Signup and view all the answers

    What is the measure of magnetization produced in a material in response to an applied magnetic field?

    <p>Permeability</p> Signup and view all the answers

    In SI units, permeability is measured in:

    <p>Henry per meter (H/m)</p> Signup and view all the answers

    What is the reciprocal of permeability known as?

    <p>Magnetic reluctivity</p> Signup and view all the answers

    What is the proportionality between magnetic induction and magnetizing force in a classical vacuum known as?

    <p>Permeability constant</p> Signup and view all the answers

    Which property of materials indicates the degree of magnetization in response to an applied magnetic field?

    <p>Magnetic susceptibility</p> Signup and view all the answers

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