Quiz  /  NEET Biodiversity MCQ Quiz

  • 1. 
    The most important reason for biodiversity loss in today’s age is

  • over-exploitation
  • co-extinctions
  • alien species invasions
  • fragmentation and habitat loss

  • 2. 
    Biodiversity loss can lead to everything except this

  • increased resistance to the environmental perturbance
  • a decline in plant production
  • increased variability in water use
  • increased variability in pest and disease cycle

  • 3. 
    Which of these is not a reason accounting for greater biodiversity of tropics?

  • more niche specialization
  • availability of more solar energy
  • more time for species diversification
  • large seasonal variations in environmental factors

  • 4. 
    The main difference between the ‘Sixth extinction’ and the previous five extinctions is that, the sixth extinction

  • mainly affects plants
  • mainly occurs on islands
  • occurs at a faster rate
  • is exclusive of human activities

  • 5. 
    The hot spots of biodiversity are characterized by:

  • low endemicity and low threat of extinction
  • low endemicity and high threat of extinction
  • high endemicity and low threat of extinction
  • high endemicity and high threat of extinction

  • 6. 
    Presence of plants organised into well defined vertical layers based on their heights can be best observed in

  • grassland
  • tropical savannah
  • tropical rain forest
  • temperate forest

  • 7. 
    Which of these is related to Ex-situ conservation of threatened plants and animals?

  • Biodiversity hotspots
  • Wildlife safari parks
  • Amazon rainforest
  • Himalayan region

  • 8. 
    The region of biosphere reserve that is protected legally, where no human activity takes place is known as

  • transition zone
  • buffer zone
  • core zone
  • restoration zone

  • 9. 
    Pick the correct match

  • Stratification – Population
  • Aerenchyma – Opuntia
  • Age Pyramid – Biome
  • Parthenium hysterophorus – a threat to biodiversity

  • 10. 
    The National aquatic animal of India is

  • Sea horse
  • River Dolphin
  • Blue whale
  • Gangetic shark
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