Question

UPSC Prelims 2024 Question:

Which of the following is/are correct inference/inferences from isothermal maps in the month of January?

  1. The isotherms deviate to the north over the ocean and to the south over the continent.
  2. 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.

Select the answer using the code given below:

  1. 1. 1 only
  2. 2. 2 only
  3. 3. Both 1 and 2
  4. 4. Neither 1 nor 2

Answer (Detailed Solution Below)

Option 1: 1 only

Detailed Solution

Explanation: 

  • In January the isotherms deviate to the north over the ocean and to the south over the continent. This can be seen in the North Atlantic Ocean. The presence of warm ocean currents, Gulf Stream and North Atlantic drift, make the Northern Atlantic Ocean warmer and the isotherms bend towards the north. Over the land, the temperature decreases sharply and the isotherms bend towards the south in Europe.

Therefore, option (1) is the correct answer.

Subject: Geography | Climate Weather and Atmosphere

Latest UPSC Exam 2026 Updates

Last updated on July, 2026

→ UPSC Mains 2026 will be conducted on 21st, 22nd, 23rd, 29th and 30th August 2026.

→ Enroll in Vajiram & Ravi’s UPSC Mains Test Series 2026 for structured answer writing practice, expert evaluation, and exam-oriented feedback.

→ Go through the UPSC Mains Previous Year Papers to enhance your preparation.

→ UPSC has released UPSC Toppers List 2025 with the Civil Services final result on its official website.

→ UPSC Calendar 2027 has been released.

→ Also check Best UPSC Coaching in India

Abhishek Singh
Abhishek Singh
Abhishek Singh is an SEO Specialist and content strategist with over 4.5 years of experience in driving organic growth across education and service-based industries. He specializes in on-page SEO, technical SEO, content optimization, and data-driven strategies that improve search visibility and organic traffic. His work focuses on creating accurate, well-researched, and search-optimized content that helps students, professionals, and online audiences find reliable information. By combining SEO expertise with a strong understanding of search intent and evolving search technologies, he works to build content that delivers visibility, engagement, and long-term trust.
UPSC GS Course 2026
UPSC GS Course 2026
₹1,80,000
Enroll Now
GS Foundation Course 2 Yrs
GS Foundation Course 2 Yrs
₹2,45,000
Enroll Now
UPSC Mentorship Program
UPSC Mentorship Program
₹85000
Enroll Now
UPSC Sureshot Mains Test Series
UPSC Sureshot Mains Test Series
₹29500
Enroll Now
Prelims Powerup Test Series
Prelims Powerup Test Series
₹14000
Enroll Now
Enquire Now