Home › PYQs › World Geography › All questions › 2024 · January isotherms
UPSC Prelims 2024 · World Geography · Oceans, Seas and Straits
Which of the following is/are correct inference/inferences from isothermal maps in the month of January? Select the answer using the code given below:
- The isotherms deviate to the north over the ocean and to the south over the continent.
- The presence of cold ocean currents, Gulf Stream and North Atlantic Drift make the North Atlantic Ocean colder and the isotherms bend towards the north.
- (a) 1 only
- (b) 2 only
- (c) Both 1 and 2
- (d) Neither 1 nor 2
Show the answer and explanation
Answer: (a) 1 only
The bending pattern is right; the Gulf Stream and NAD are warm.
Statement by statement
1. ✓ CORRECT In January, isotherms bend north (poleward) over the warmer oceans and south (equatorward) over the colder continents.
2. ✗ WRONG The Gulf Stream and North Atlantic Drift are WARM currents; they make the North Atlantic warmer.
Why the others are wrong
(b) Calls the Gulf Stream cold.
(c) Calls the Gulf Stream cold.
(d) Rejects the bending pattern.
The trap
Statement 2 names real currents with the wrong temperature.
🔒 Gulf Stream + NAD = warm → ice-free Norway ports.
Solve this chapter interactively →All World Geography questions