UPSC Geography The origin and evolution of the earth Question Bank Universe / Sun / Planets / Earth

  • question_answer
    Match the planets with their properties and accordingly select the correct alternative:           
    Planet Property
    A. Saturn (i) Longest year
    B. Neptune (ii) 71% water
    C. Earth (iii) Longest day
    D. Venus (iv) Having most moons

    A)  A - iv, B - i, C - ii. D - iii

    B)  A - iii, B - ii, C - iv, D - i

    C)  A - ii, B - iv, C - i, D - iii

    D)  A - iv, B - iii, C - ii, D - i

    Correct Answer: A

    Solution :

     As the furthest orbiting planet in the Solar System, Neptune has the longest year, taking 164.8 Earth years to complete a single orbit of the Sun. Saturn has, the most moons i.e. 62. Earth has 71% water. Venus has the longest day of any planet in our solar system. It completes one rotation every 243 Earth days. Its day lasts longer than its orbit. It orbits the Sun every 224.65 Earth days, so a day is nearly 20 Earth days longer than its year.


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