SSC CGL Geography – Hydrosphere – Oceans, Currents & Tides – Tier II Level · Marathon
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SSC CGL Geography – Hydrosphere – Oceans, Currents & Tides – Tier II Level · Marathon – 10 questions, subject: Geography – India & World. Every question has the correct answer with a one-line explanation; tap "Show Answer". Free practice for TNPSC, UPSC, SSC, Bank and RRB exams – Shanmugam IAS Academy, Coimbatore.
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1.
A country's contiguous zone ends 24 nautical miles from the baseline. In kilometres this is about:
Correct Answer: B [44.4 km]
Explanation:
24 × 1.852 ≈ 44.4 km.
2.
The territorial sea extends 12 nautical miles. This is about:
Correct Answer: D [22.2 km]
Explanation:
12 × 1.852 ≈ 22.2 km.
3.
2 kg of sea water of salinity 38‰ is mixed with 2 kg of salinity 32‰. The salinity of the mixture is:
Correct Answer: D [35‰]
Explanation:
(76 + 64) ÷ 4 = 35‰.
4.
A high tide occurs at 9:30 p.m. on Monday. The corresponding high tide on Tuesday evening will be at about:
Correct Answer: B [10:20 p.m.]
Explanation:
Tides come about 50 minutes later each day (24 h 50 min).
5.
Two-quantity comparison
Quantity I: tide-raising force of the Moon on the Earth
Quantity II: tide-raising force of the Sun on the Earth
Quantity I: tide-raising force of the Moon on the Earth
Quantity II: tide-raising force of the Sun on the Earth
Correct Answer: A [Quantity I > Quantity II]
Explanation:
The Moon is much closer; its tide-raising force is about twice the Sun's.
6.
Under UNCLOS, the contiguous zone of a coastal country extends up to:
Correct Answer: A [24 nautical miles from the baseline]
Explanation:
12 – 24 – 200.
7.
The deep 'thermohaline' circulation of the oceans is driven mainly by differences in:
Correct Answer: C [temperature and salinity (density) of sea water]
Explanation:
Cold, salty water is dense and sinks.
8.
The large current loops (gyres) of the Southern Hemisphere oceans circulate:
Correct Answer: A [anticlockwise]
Explanation:
Gyres Spin like the Highs.
9.
Sea water of salinity 35‰ evaporates until its salinity becomes 50‰ (no salt lost). What fraction of the original water has evaporated?
Correct Answer: D [30%]
Explanation:
Remaining water = 35/50 = 70% → 30% evaporated.
10.
Match the followingMatch the maritime zone with its maximum width:
P. Territorial sea Q. Contiguous zone R. EEZ
1. 200 nautical miles 2. 12 nautical miles 3. 24 nautical miles
P. Territorial sea Q. Contiguous zone R. EEZ
1. 200 nautical miles 2. 12 nautical miles 3. 24 nautical miles
Correct Answer: C [P-2, Q-3, R-1]
Explanation:
12 – 24 – 200.
➤ Full notes, shortcuts and every answer explained – SSC CGL 2026 Geography – India & World book (₹149): www.shanmugamiasacademy.in/study-materials/ssc-cgl-geography-india-world
📘 TNPSC பொது அறிவு அலகு II — இந்தியாவின் புவியியல் (Geography of India) – முழுமையான பாடநூல்
Here you get the answer with a one-line explanation. TNPSC பொது அறிவு அலகு II இந்தியப் புவியியல் முழுவதும் · 14 அத்தியாயங்கள் · 340 பயிற்சி வினாக்கள் விளக்கத்துடன் · 2 மாதிரித் தேர்வுகள் (100 வினாக்கள்) · வரைபடங்கள், 14 மனவரைபடங்கள் · ஒவ்வோர் அத்தியாயத்திலும் தமிழ்நாடு பார்வை
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