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UPSC 2000: Consider the following statements: I. Tides are of great help in navigation and fishing. II. High tide enables big ships to enter or leave the harbour safely. III. Tide prevents siltation in the harbours. IV. Kandla and Diamond Harbour are tidal ports. Which of these statements are correct?
(a)I and IV
(b)II, III and IV
(c)I, II and III
(d)I, II, III and IV
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Not attemptedCorrect Answer: (d) I, II, III and IV
All four statements are valid: (I) tidal currents aid fishing craft and coastal navigation; (II) ships with deep draught wait for high tide to cross harbour bars or sills (common in half-tide docks); (III) the ebb-and-flow scours channels and reduces siltation; (IV) both Kandla on the Gulf of Kachchh and Diamond Harbour on the Hooghly are classified as tidal ports. Therefore option (d) including I, II, III and IV is correct. ([en.wikipedia.org](https://en.wikipedia.org/wiki/Half_tide_dock?utm_source=openai))
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Frequently Asked Questions
What is the correct answer to this UPSC 2000 Geography question?▼
The correct answer is option (d): I, II, III and IV. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Oceanography question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2000, GS Paper 1, as Question 12. It falls under Geography > Oceanography.
What is the difficulty level of this UPSC question?▼
This question is rated "moderate". It requires sound conceptual understanding of the topic.
How many UPSC Prelims questions have been asked from Oceanography?▼
UPSC has asked 21 questions from Oceanography (under Geography) across multiple years. Visit the topic page to see the full list and year-wise trends.