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  • Question
  • Depletion of ozone layer is caused by


  • Options
  • A. CFC's
  • B. Carbon tetra-chloride (CCl4)
  • C. HCFC's
  • D. All of the above

  • Correct Answer
  • All of the above 

    Explanation

    Ozone layer depletion is one of the most serious problems faced by our planet earth. Substances that Deplete the Ozone Layer (ODS) emission are responsible for ultraviolet radiations from the sun break them to release chlorine (from CFCs) and bromine (from methyl bromide and halons).

  • Tags: AIEEE, Bank Exams, GATE, Analyst, Bank Clerk, Bank PO

    Basic General Knowledge problems


    Search Results


    • 1. Daydreaming, Meditation, Intoxication, Sleep and Hypnosis are all types of

    • Options
    • A. waking consciousness
    • B. self-absorption
    • C. altered states of consciousness
    • D. self-awareness
    • Discuss
    • 2. Most common and popular name in the world?

    • Options
    • A. Peter
    • B. Mohammed
    • C. Robert
    • D. Ahmed
    • Discuss
    • 3. Speeding is a factor in ___ % of fatal crashes.

    • Options
    • A. 30
    • B. 25
    • C. 20
    • D. 15
    • Discuss
    • 4. Process by which sediment is removed from its source is called

    • Options
    • A. deposition
    • B. erosion
    • C. weathering
    • D. composition
    • Discuss
    • 5. Privately owned businesses are common in which type of economy?

    • Options
    • A. Capitalist economies
    • B. Socialist economies
    • C. Gift economies
    • D. Planned economies
    • Discuss
    • 6. Type of government in Nigeria today?

    • Options
    • A. Federal
    • B. Republic
    • C. Presidential system
    • D. All of the above
    • Discuss
    • 7. Who decides to implement split MOPP?
    • Discuss
    • 8. What does ADP stand for army?
    • Discuss
    • 9. The term fourth estate is used in reference to

    • Options
    • A. The executive
    • B. Parliament
    • C. Judiciary
    • D. The Press and newspaper
    • Discuss
    • 10. During what stage of photosynthesis is O2 produced?

    • Options
    • A. Photosystem 1
    • B. Photosystem 2
    • C. Both A & B
    • D. None of the above
    • Discuss


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