Question

Q. With reference to jet streams, which of the following statements is/are correct?

Select the correct answer using the code given below:

• A. 2 only
• B. 1 and 3 only
• C. 1 only
• D. 2 and 3 only

Answer 1

The correct option is D 2 and 3 only

Explanation:

Statement 1 is incorrect: Jet streams are relatively narrow bands of strong wind in the upper levels of the atmosphere. The direction of the jet stream is perpendicular to the pressure gradient force (parallel to the isobars).

Statement 2 is correct: Jet Streams develop where air masses of different temperatures meet.

Statement 3 is correct: Jet streams are stronger in the northern hemisphere as compared to the southern hemisphere due to greater temperature gradients.