Daily Challenge
Friday, 23 October 2026
Daily Challenge — 23 October 2026
Three UPSC Prelims-pattern questions — one each from the GS I, GS II and GS III subject areas. Attempt all three before checking your answers.
Geomorphology
Which one of the following discontinuities separates the Earth’s mantle from its outer core?
Correct answer: C
The Gutenberg discontinuity, at a depth of about 2,900 km, marks the boundary between the mantle and the outer core. The Conrad discontinuity lies within the continental crust, the Mohorovicic (Moho) discontinuity separates the crust from the mantle, and the Lehmann discontinuity separates the outer core from the inner core.Fundamental Rights
The right to free and compulsory education for children of six to fourteen years was made a Fundamental Right by which Constitutional Amendment?
Correct answer: C
The 86th Amendment (2002) inserted Article 21A, changed Article 45 to early childhood care, and added Fundamental Duty 51A(k).National Income and Growth
Which one of the following is treated as a product tax in India’s national accounts?
Correct answer: D
Product taxes are levied per unit of a product, such as GST, excise and customs duties; they are added to GVA at basic prices to reach GDP at market prices. Land revenue, stamp and registration fees and professional tax are production taxes, paid irrespective of the volume of output, and are already inside GVA at basic prices.