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  1. The planet Pluto has been abandoned from the group of conventional planet and kept in the group of dwarf planet by a summit held in
    1. Paris
    2. London
    3. Geneva
    4. Prague
Correct Option: D

The planet Pluto has been declared as a dwarf planet in the summit held in Prague. In August 2006 the International Astronomical Union (IAU) downgraded the status of Pluto to that of "dwarf planet." This means that from now on only the rocky worlds of the inner Solar System and the gas giants of the outer system will be designated as planets.


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