Which of the following fuels causes minimum environmental pollution?
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Mangifera indica is the scientific name of
The large collection of stars, dust and gas held together by gravitational attraction between components is known as
Spring tides occur when ______.
Part IV of constitution of India deals with which of the following?
The Sharda Act is related to
Houses of Indian Parliament are prorogued by whom?
The number of seats of Lok Sabha was increased from 525 to ___ in 1973.