TGPSC Group-I 2024 · Question 33 of 144
Science & Technology
P.C. Mahalanobis pioneered sampling methods in statistics (A true). Meghnad Saha was a physicist, and the Saha equation describes stellar ionisation in astrophysics — not geography (B false).
Source: TGPSC Group-I Preliminary Test 2024 official question paper booklet (held 9 Jun 2024, TEST 224) with Preliminary Key (MASTER), via Adda247
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