निम्नलिखित में से किस ग्रह के वायुमंडल में मुख्य रूप से मीथेन गैस महत्वपूर्ण मात्रा में उपस्थित 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?