निम्नलिखित में से कौन सा मुख्य रूप से नदी के मुहाने पर बनने वाला एक निक्षेपण स्थलरूप है, न कि स्वयं एक प्रकार का जल निकाय?

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?