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UPSC Prelims 2004 · World Geography · Oceans, Seas and Straits
Which one of the following statements is not correct?
- (a) Gulf with narrow fronts and wider rears experience high tides.
- (b) Tidal currents take place when a gulf is connected with the open sea by a narrow channel.
- (c) Tidal bore occurs when a tide enters the narrow and shallow estuary of a river.
- (d) The tidal nature of the mouth of the river Hooghly is of crucial importance to Kolkata as port.
Show the answer and explanation
Answer: (d) The tidal nature of the mouth of the river Hooghly is of crucial importance to Kolkata as port.
The key marks this as not correct.
Why the others are wrong
(a) Funnel-shaped gulfs amplify tides.
(b) Narrow connections create tidal currents.
(c) Correct — tidal bores form in narrow shallow estuaries.
The trap
Kolkata is a tidal river port, which makes (d) look true.
🔒 Kolkata/Haldia: riverine tidal port, needs dredging.
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