Official Answer Key & Detailed Solution
Ready to check the official UPSC Answer Key?
Click any option above to test yourself under exam conditions, or reveal the explanation directly.
Correct Answer: Option (A) — Gulf with narrow fronts and wider rears experience high tides.
Concept & Option Breakdown
Standard Reference VerifiedOption (a) is incorrect: High tidal amplification occurs in gulfs and bays that have wide funnel-shaped entrances and narrow tapering heads (wider fronts and narrower rears), which forces tidal energy into an increasingly confined area, thereby dramatically raising tidal height (e.g., Bay of Fundy, Gulf of Khambhat).
Options (b), (c), and (d) are correct descriptions of tidal currents, tidal bores, and the navigational importance of semi-diurnal tides to the Hooghly/Kolkata Port.
Funneling effect causes high tides when the entrance is wide and interior is narrow, compressing incoming tidal water. Statement (a) states the reverse.
Practice Full-Length & Sectional Prelims Mocks on this Interface
50 simulated tests in the APT Prelims Test Series (₹1,493) or 1-on-1 Mentorship with Avinash Sir.