मृदा प्रदूषण को निम्नलिखित में से किस विधि द्वारा नियंत्रित किया जा सकता है?

Which of the following territories was annexed by Lord Dalhousie under the pretext of misgovernance, and not directly through the Doctrine of Lapse?

What was the primary stated reason for the Partition of Bengal in 1905 by Lord Curzon?