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5 Written questions

5 Matching questions

  1. Radioactive
  2. Doppler Effect
  3. Exoskeleton
  4. Ester
  5. chlorosis
  1. a
    giving off radiant energy in the form of alpha, beta, or gamma rays by the breaking up of atoms
  2. b yellowing of plant leaves resulting from an imbalance in the iron metabolism caused by excess concentrations of copper, zinc, manganese, or other elements in the plant
  3. c
    the exterior protective or supporting structure or shell of many animals (especially invertebrates) including bony or horny parts such as nails or scales or hoofs
  4. d
    An observed change in the frequency of a wave when the source or observer is moving
  5. e formed by reaction between an acid and an alcohol with elimination of water

5 Multiple choice questions

  1. the tendency of a body to maintain is state of rest or uniform motion unless acted upon by an external force

  2. a threadlike body in the cell nucleus that carries the genes in a linear order

  3. the system that makes food absorbable into the body

  4. a unit of potential equal to the potential difference between two points on a conductor carrying a current of 1 ampere when the power dissipated between the two points is 1 watt

  5. having a backbone or spinal column

5 True/False questions

  1. Asteroid Belt
    the continuous process by which water moves from Earth's surface to the atmosphere and back


  2. Photosynthesis
    process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches


  3. Platelet
    any cold-blooded vertebrate of the class Reptilia including tortoises turtles snakes lizards alligators crocodiles and extinct forms


  4. Momentuman impelling force or strength


  5. Titrationon an image, changes in shape and position of objects with respect to their true shape and position


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