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Dara Shikoh, Shah Jahan's eldest son and brother of Aurangzeb, Under his patronage, the Upanishads were translated into Persian and collectively named Sirr-i-Akbar.

<b>Answer: C. Thorium</b> <ul> <li><b>Reason:</b> Monazite sand is rich in phosphate minerals containing rare earths and thorium, with thorium-232 commonly present as an impurity/ constituent.</li> <li><b>Key concept:</b> Thorium is a fertile material used in nuclear energy; monazite concentrates are a primary ore source.</li> <li><b>Quick note on options:</b> Potassium and sodium are common alkali minerals not characteristic of monazite; uranium can be present but is not the defining mineral of monazite sands.</li> <li><b>Exam tip:</b> If asked about monazite composition, prioritize thorium content over alkali elements.</li> </ul>

<p><b>Correct option: B</b> - <i>an</i></p> <ul> <li><b>Rule:</b> Use <i>a</i> before a consonant sound and <i>an</i> before a vowel sound. Here <i>unjust</i> starts with a vowel sound /ʌ/, so we use <i>an</i>.</li> <li><b>Why others are wrong:</b> <ul> <li>the unjust charge = refers to a specific charge; not indicated.</li> <li>a unjust charge = incorrect because <i>a</i> before a vowel sound.</li> <li>no article = ungrammatical with a countable noun like <i>charge</i>.</li> </ul> </li> </ul>

Littoral forests grow near the coast. They are also known as wetland forests, tidal forests, or mangrove forests.

<b>Explanation:</b> <ul> <li><b>Correct answer: A</b> – Mahmud of Ghazni attacked and looted the famous Somnath temple in 1026 AD.</li> <li>He led multiple invasions from Ghazni (present-day Afghanistan) into India and targeted temples for wealth.</li> <li><b>Why others are incorrect</b>: <ul> <li>B) Muhammad Gori (Muhammad Ghori) invaded later and did not loot Somnath in 1026.</li> <li>C) Genghis Khan attacked parts of India much later and did not loot Somnath.</li> <li>D) Nadir Shah plundered Delhi in 1739, not Somnath in 1026.</li> </ul> </li> </ul>