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  • Question
  • Suppose if we measure the time lapse between the two Sunsets by sitting in the beach , from this we can estimate


  • Options
  • A. The distance between the sun and earth
  • B. The depth of the ocean
  • C. The radius of the earth
  • D. The radius of the sun

  • Correct Answer
  • The radius of the earth 


  • General Science problems


    Search Results


    • 1. What is scientific name of " Tulsi " ?

    • Options
    • A. Gossypium Herbaceum
    • B. Ocimum Sanctum
    • C. Zea Mays
    • D. Cojonus Cgjan
    • Discuss
    • 2. The theory which advocates that living beings can arise only from other living beings is termed

    • Options
    • A. Bio-genesis
    • B. Abiogenesis
    • C. Catastrophism
    • D. Cosmozoic
    • Discuss
    • 3. The uranium fuel used worldwide is mainly in the form of

    • Options
    • A. U3O8
    • B. UO2
    • C. UF6
    • D. U metal
    • Discuss
    • 4. If a tropical rain forest is removed, it does not regenerate quickly as compared to a tropical deciduous forest. This is because

    • Options
    • A. The soil of rain forest is deficient in nutrients
    • B. Propagules of the trees in a rain forest have poor viability
    • C. The rain forest species are slow growing
    • D. Exotic species invade the fertile soil of rain forest
    • Discuss
    • 5. What is the scientific name for washing soda?

    • Options
    • A. Sodium carbonate
    • B. Sodium bicarbonate
    • C. Calcium carbonate
    • D. Calcium bicarbonate
    • Discuss
    • 6. Name the mineral used to produce artificial diamonds.
    • Discuss
    • 7. The Ozone Layer restricts from

    • Options
    • A. Infrared Rays
    • B. Radio waves
    • C. Ultraviolet Radiation
    • D. X-Rays and Gamma Rays
    • Discuss
    • 8. Seawater (i.e. saltwater) freezes at:

    • Options
    • A. at a slightly higher temperature than fresh water
    • B. at a slightly lower temperature than fresh water.
    • C. the same temperature as fresh water.
    • D. seawater does not freeze.
    • Discuss
    • 9. At present, scientists can determine the arrangement or relative positions of genes of DNA sequences on a chromosome. How does this knowledge benefit us? 1. It is possible to know the pedigree of livestock. 2. It is possible to understand the causes of all human diseases. 3. It is possible to develop disease-resistant animal breeds. Which of the statements given above is/are correct?

    • Options
    • A. 1 and 2 only
    • B. 2 only
    • C. 1 and 3 only
    • D. 1, 2 and 3
    • Discuss
    • 10. Chilling is most commonly practiced by
    • Discuss


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