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  • Question
  • What causes the mottling of the dental enamel ?


  • Options
  • A. High levels of chlorine in water
  • B. High levels of nitrate in the water
  • C. High levels of fluorides in the water
  • D. High levels of calcium in the water

  • Correct Answer
  • High levels of fluorides in the water 


  • More questions

    • 1. Who is the emperor founded the religion Din-e-Lilah ?

    • Options
    • A. Allauddin Khilji
    • B. Akbar
    • C. Mohammad-bin tuglak
    • D. Ibrahim Lodi
    • Discuss
    • 2. Pune was once known as the capital of

    • Options
    • A. Scindias
    • B. Holkars
    • C. Bhosales
    • D. Peshwas
    • Discuss
    • 3. Who was the first Indian Governor General of Independent India?

    • Options
    • A. Rajendra Prasad
    • B. C. Rajagopalachari
    • C. A. Kriplani
    • D. Lord Mountbatten
    • Discuss
    • 4. Ashoka was a king of which dynasty?

    • Options
    • A. Pradyota
    • B. Haryanka
    • C. Maurya
    • D. Nanda
    • Discuss
    • 5. Architectural developments in india manifested themselves in their full glory during the period of

    • Options
    • A. Guptas
    • B. Nandas
    • C. Mauryas
    • D. Cholas
    • Discuss
    • 6. Akbar was __________ years old when he became emperor.

    • Options
    • A. 16
    • B. 19
    • C. 13
    • D. 10
    • Discuss
    • 7. Kamarup is an ancient name of which region of India?

    • Options
    • A. Bihar
    • B. Rajasthan
    • C. Karnataka
    • D. Assam
    • Discuss
    • 8. The earliest city discovered in India was

    • Options
    • A. Sindh
    • B. Mohenjodaro
    • C. Harappa
    • D. Rangpur
    • Discuss
    • 9. Which battle led to the downfall of the Vijayanagar empire?

    • Options
    • A. Battle of Takkolam
    • B. Battle of Talikota
    • C. Battle of Kanwah
    • D. Battle of Panipat
    • Discuss
    • 10. In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word. Inference

    • Options
    • A. Beginning
    • B. Conclusion
    • C. Preparation
    • D. Discovery
    • Discuss


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