SSC CGL Geography – Atmosphere – Structure, Pressure Belts & Winds – Tier II Level · Marathon

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SSC CGL Geography – Atmosphere – Structure, Pressure Belts & Winds – 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.  
The Coriolis effect varies as the sine of the latitude. Its strength at 60° N is about what percentage of its strength at the North Pole?

Correct Answer: D [87%]

Explanation:

sin 60° ÷ sin 90° ≈ 0.866 ≈ 87%.

2.  
Two-quantity comparison
Quantity I: strength of the Coriolis effect at 60° N
Quantity II: strength of the Coriolis effect at 60° S

Correct Answer: C [Quantity I = Quantity II]

Explanation:

Same latitude → same strength; only the direction of turning differs.

3.  
In the Northern Hemisphere the westerlies blow from the:

Correct Answer: A [south-west]

Explanation:

Heading north (to 60° N) and turned right → they come from the south-west.

4.  
Jet streams are fast winds found mainly in the:

Correct Answer: B [upper troposphere, blowing mostly from west to east]

Explanation:

Narrow, fast westerly belts high in the troposphere.

5.  
The tropical easterly jet stream develops over peninsular India during the:

Correct Answer: D [summer (monsoon) season]

Explanation:

In summer the westerly jet shifts north of the Himalaya and the easterly jet forms over the peninsula.

6.  
In the three-cell model, the cell lying between about 30° and 60° latitude is the:

Correct Answer: A [Ferrel cell]

Explanation:

Hadley 0°–30°, Ferrel 30°–60°, Polar 60°–90°.

7.  
The temperature falls from 24 °C at the ground to −2 °C at a certain height. Using the normal lapse rate, the height is about:

Correct Answer: C [4 km]

Explanation:

Fall = 26 °C → 26 ÷ 6.5 = 4 km.

8.  
A barometer reads 950 mb on a hill when sea-level pressure is 1,010 mb. Using about 1 mb per 10 m, the height of the hill is about:

Correct Answer: D [600 m]

Explanation:

60 mb × 10 m = 600 m.

9.  
In January, the pressure and wind belts shift:

Correct Answer: C [southward]

Explanation:

They follow the Sun's apparent movement towards the Tropic of Capricorn.

10.  
Match the followingMatch:
P. Harmattan Q. Sirocco R. Bora S. Santa Ana
1. Southern California 2. Adriatic coast 3. West Africa 4. Sahara to southern Europe

Correct Answer: A [P-3, Q-4, R-2, S-1]

Explanation:

Harmattan – West Africa; Sirocco – Sahara to Italy; Bora – Adriatic; Santa Ana – California.

➤ 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

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