A2 OCR Biology Quiz F214

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  • Created by: Sally
  • Created on: 12-06-14 14:38

1. A photosynthetic pigment is:

  • Molecules that absorb certain wavelengths whilst reflecting others
  • Molecules that reflect wavelengths
  • Molecules that only absorb one certain wavelength
  • They don't absorb green light
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2. Define "Photosynthesis"

  • Light energy from the sun is converted into chemical energy which can be used to synthesis large inorganic molecules from organic molecules
  • Chemical energy used to hydrolyse complex organic matter
  • Light energy from the sun is transformed into chemical potential energy which can be used to synthesis large organic molecules from inorganic molecules
  • Light energy from the sun used to make kinetic energy

3. GP can be used to...

  • Form fatty acids and amino acids
  • Form glycerol
  • Make cellulose and starch
  • Make fats

4. What is the role of water in the light-dependent stage?

  • Photolysis
  • Keeps plant turgid
  • Make oxygen, to be released in the atmosphere
  • Source of reduced NADP

5. Define "Autotroph"

  • An organism that feeds on other complex organic matter
  • An organism that uses the sun's energy to make compounds
  • An organism that synthesis complex organic molecules using a energy source and inorganic molecules
  • An organism that can synthesis its own food

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