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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Charcoal can be made at home by burning
Which of the following has low resistivity?
Which Indian city is known as 'The City of Pearls' as once it was the only global center of large diamonds and natural pearls made?
Who among the following was the first to make use of artillery in warfare in medieval India?
Which of the following rebellion / agitation did NOT happen in the area of Bengal?
What was invented by J. B. Dunlop?
What did J. B. Dunlop invent?