Prelims 2024 · Q2
Consider the following statements:
Statement-I:
Thickness of the troposphere at the equator is much greater as compared to poles.
Statement-II:
At the equator, heat is transported to great heights by strong convectional currents.
Which one of the following is correct in respect of the above statements?
- (a)Both Statement-I and Statement-II are correct and Statement-II explains Statement-I
- (b)Both Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I
- (c)Statement-I is correct, but Statement-II is incorrect
- (d)Statement-I is incorrect, but Statement-II is correct
Show answer
UPSC's answer: (a)
NCERT answers it: Class 11 Fundamentals of Physical Geography, Ch 7 (Composition and Structure of Atmosphere).
Fundamentals of Physical Geography (ch 7): the troposphere is thickest at the equator because strong convection carries heat to great heights. Both statements are true, and II explains I. So (a).
Hindi version: UPSC's official question paper (2024), question 2 ↗