Official Answer Key & Detailed Solution
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Correct Answer: Option (A) — 1 and 3
Concept & Option Breakdown
Standard Reference VerifiedStatement 1 is correct: The total surface area of the Earth is about 510 million sq km, of which land covers roughly 29% (approx. 148 million sq km or ~1475-1480 lakh sq km).
Statement 2 is incorrect: With land covering roughly 29% and water covering roughly 71%, the ratio of land to water is approximately 1 : 2.4, not 1 : 4.
Statement 3 is correct: The Pacific Ocean is the largest ocean basin, covering over 30% of Earth's total surface and containing the largest single share of Earth's oceanic water.
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