• 1. 
    A good alternative to biogas is

  • Charcoal
  • Coal
  • Oil and petroleum
  • Fuel wood
  • 2. 
    Pick the incorrect pair

  • Ethanol used as gasoline
  • Biogas produced from dung
  • Animal energy used most efficiently
  • Latex source of liquid hydrocarbons
  • 3. 
    Natural gas, petrol and coal are this type of fuel

  • liquid fuels
  • fossil fuels
  • electrical fuels
  • biofuels
  • 4. 
    Solar energy transducer is

  • Chlorella
  • Orobanche
  • Rhizobium
  • Agaricus
  • 5. 
    An ideal good fuel can be attained from

  • Mangifera indica
  • Michelia excelsa
  • Dalbergia sissoo
  • Bauhinia racemosa
  • 6. 
    Non-renewable resource is

  • minerals and animals
  • plants and animals
  • minerals and fossils
  • fishes and planktons
  • 7. 
    Petroplants was recognized first by

  • M.Calvin
  • Slack and Hatch
  • Darwin
  • Lamarck
  • 8. 
    Maximum energy can be extracted from wood through

  • Cracking
  • Gasification
  • Direct burning
  • Biomass
  • 9. 
    This is a major source of liquid hydrocarbon

  • Solanum tuberosum
  • Euphorbia antisyphilitica
  • Cocos nucifera
  • Calotropis gigantea
  • 10. 
    These bacterial groups are exploited in the production of biogas

  • Eubacteria
  • Organotrophs
  • Methanotrophs
  • Methanogens
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