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Environment › Climate Change

1. Global Warming and Issues
2. All about Pollution

Prelims questions by Environment microtheme
  1. Climate Change2
  2. Indian Environment Acts2
  3. International Org,TreatiesXEnvironment2
  4. Marine Ecosystem1
  5. National Parks1
  6. PollutionXImpact & remediation1
  7. Rio Family/UNFCCC/IPCC1
  8. SpeciesXExotic/Invasive1
  9. SpeciesXPlants1
  • Environment › Climate Change

    The term “sixth mass extinction/sixth extinction” is often mentioned in the news in the context of the discussion of

    Options

    (a)

    Widespread monoculture practices in agriculture and large-scale commercial farming with indiscriminate use of chemicals in many parts of the world that may result in the loss of good native ecosystems.

    (b)

    Fears of a possible collision of a meteorite with the Earth in the near future in the manner it happened 65 million years ago that caused the mass extinction of many species including those of dinosaurs.

    (c)

    Large scale cultivation of genetically modified crops in many parts of the world and promoting their cultivation in other parts of the world which may cause the disappearance of good native crop plants and the loss of food biodiversity.

    (d)

    Mankind’s over-exploitation/misuse of natural resources, fragmentation/loss of natural habitats, destruction of ecosystems, pollution and global climate change.

    Answer

    (D)

  • Environment › Climate Change

    Which of the following statements best describes “carbon fertilization”?

    Options

    (a)

    Increased plant growth due to increased concentration of carbon dioxide in the atmosphere

    (b)

    Increased temperature of Earth due to increased concentration of carbon dioxide in the atmosphere

    (c)

    Increased acidity of oceans as a result of increased concentration of carbon dioxide in the atmosphere

    (d)

    Adaptation of all living beings on Earth to the climate change brought about by the increased concentration of carbon dioxide in the atmosphere.

    Answer

    (A)