Practice questions without fighting the page.

<div class="ai-exp-block"> <b>Explanation:</b> <p>An estuary is the tidal, brackish water zone where a river meets the sea and mixes freshwater with seawater. Among the options, the Narmada forms an estuary at its western mouth near Bharuch on the Arabian Sea coast. The Kaveri, Krishna, and Mahanadi primarily form deltaic mouths with large deltas rather than the classic estuarine zone.</p> </div> <div class="ai-did-block"> <b>? Did You Know?</b><br> <p>Narmada flows westward to the Arabian Sea, unlike most Indian rivers which drain into the Bay of Bengal or the Arabian Sea after traversing east–west directions.</p> </div> <div class="ai-remember-block"> <b>? Remember:</b> <p>An estuary is the tidal mouth of a river where freshwater mixes with seawater; Narmada forms one at its western mouth.</p> </div>

<b>Correct Answer: D. Hygrometer</b> <ul> <li><b>Why:</b> A hygrometer measures atmospheric moisture or humidity.</li> <li><b>Key concept:</b> Relative Humidity (RH) ≈ (actual vapor pressure / saturation vapor pressure) × 100.</li> <li><b>Other options:</b> Barometer = air pressure; Anemometer = wind speed; Thermometer = temperature.</li> <li>

Here "<b>did not last</b>" means that something ended or failed to continue for a long time.

'are' in place of 'am'

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<div class="ai-chip">? Vocabulary Learning</div>
<div class="ai-answer-card"><b>✅ Correct Answer</b><p>The correct synonym is “Failure.”</p></div>
<div class="ai-why-card"><b>? Why?</b><p>Fiasco means a big mistake or disaster, which is like a failure.</p></div>
<div class="ai-rule-card"><b>? Remember</b><p>Think: a big mess up = failure.</p></div>
<div class="ai-example-card"><b>? Example</b><p>The project ended in a fiasco and was a complete failure.</p></div>
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