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UPSC Prelims 2000 · World Geography · Oceans, Seas and Straits
Consider the following statements: Which of these statements are correct?
- Tides are of great help in navigation and fishing.
- High tide enables big ships to enter or leave the harbor safely.
- Tide prevents siltation in the harbors.
- Kandla and Diamond Harbor are tidal ports.
- (a) 1 and 4
- (b) 2, 3 and 4
- (c) 1, 2 and 3
- (d) 1, 2, 3 and 4
Show the answer and explanation
Answer: (d) 1, 2, 3 and 4
All four are correct.
Statement by statement
1. ✓ CORRECT Tides help ships enter shallow harbours and bring fish close to shore.
2. ✓ CORRECT High tide raises the water level, so deep-draught ships can cross the harbour bar.
3. ✓ CORRECT The ebb tide scours the harbour and carries silt out.
4. ✓ CORRECT Kandla (Gulf of Kachchh) and Diamond Harbour (Hooghly) are tidal ports.
Why the others are wrong
(a) Drops two correct uses.
(b) Drops statement 1.
(c) Drops the tidal ports.
The trap
None.
🔒 Tidal ports: Kandla, Diamond Harbour, Kolkata. Tidal energy potential: Gulf of Kachchh, Gulf of Khambhat, Sundarbans.
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