• 1. 
    The end products of photosynthesis are

  • carbohydrates, oxygen
  • carbohydrates, hydrogen
  • carbohydrates, water vapours
  • carbohydrates, oxygen and water vapours
  • 2. 
    Which one of the following is a parasite?

  • Lichen
  • Cuscuta
  • Pitcher plant
  • Rhizobium
  • 3. 
    Which of the following class of organisms belongs to saprotrophs?

  • Fungi
  • Algae
  • Lichens
  • Bryophytes
  • 4. 
    Which one of the following is a pair of symbiotic organisms?

  • Lichens
  • Rhizobium and a legume
  • None of these
  • Both (a) and (b)
  • 5. 
    Which of the following is an insectivorous plant?

  • Pitcher plant
  • Indian telegraph plant
  • 4 ‘O’clock plant
  • Cuscuta
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