Correct Answer
Distance
A unit of Astronomical distance equivalent to the distance that light travels in one year,
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Distance
A unit of Astronomical distance equivalent to the distance that light travels in one year,
Lymphatics
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Warm booting
A warm boot refers to the process of restarting a computer system without completely shutting down the power.
Malaria
<b>Answer: D</b> <ul> <li><b>Malaria</b> is caused by Plasmodium parasites (protozoan), transmitted by Anopheles mosquitoes, not a virus.</li> <li><b>Smallpox</b>, <b>AIDS</b> (HIV), and <b>Flu</b> are viral diseases (virus causes infection or triggers disease).</li> <li>Key concept: viruses are distinct from parasites; malaria involves a parasite and a mosquito vector, not a viral pathogen.</li> </ul> <p>Exam tip: If a disease involves a vector like a mosquito and a parasite, it is typically not viral.</p>
two lenses
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Bhopal
1. Lucknow: on the banks of river the Gomti.<br>
2. Hyderabad: on the banks of river The Musi.<br>
3. Patna: on the banks of river The Ganga<br>
4. Bhopal is not located on any bank of the river.
of
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Convex
<b>Correct option: A</b> <ul> <li><b>Why:</b> A microscope uses convex (converging) lenses to collect and focus light, creating a magnified real or virtual image of the specimen.</li> <li><b>Key concept:</b> Convex lenses converge rays to a focal point; the lens formula 1/f = 1/v β 1/u governs image formation.</li> <li><b>Tip:</b> For magnification, use short focal length convex lenses in the objective.</li> <li><b>Why others are wrong:</b> Concave lenses diverge rays (not suitable for high magnification); biconvex/biconcave options are not standard single-lens configurations for basic microscopes as given.</li> </ul>
Narmada
<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 eastβwest 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>
Textile
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