The method of soil conservation in which different crops are grown in alternate rows and are sown at different times to protect the soil from rain wash is called?
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In which of the following, Nylon is used?
Who Invented the nuclear reactor?
In which field did Amartya Sen win the Nobel Prize ?
Which one of the following is the name of Nobel Prize winning Indian?
Big landlords or warrior chiefs in the seventh century were acknowledged as _________ by the existing kings?
Khajuraho Group of monuments are attributed to which dynasty?
Which of the following periodicals is not correctly matched with its editor?