Consider the following countries:BoliviaBrazilColombiaEcuadorParaguayVenezuelaAndes mountains pass t

Q: What is UPSC Prelims?

UPSC Prelims is a competitive examination conducted in India. This question is from the 2025 UPSC Prelims Geography paper.

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This UPSC Prelims 2025 Geography question has a medium difficulty level and is marked as an important question.

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Question

Consider the following countries:BoliviaBrazilColombiaEcuadorParaguayVenezuelaAndes mountains pass through how many of the above countries?

Accepted Answer

Correct Answer: C - Only fourStep-by-step Solution:The Andes is the longest continental mountain range in the world, extending along the western margin of South America through seven countries: Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile, and Argentina.Country I - Bolivia: The Andes pass through Bolivia, including the Altiplano plateau region. ✓Country II - Brazil: Brazil lies to the east of the Andes and is dominated by the Amazon Basin and Brazilian Highlands. The Andes do not pass through Brazil. ✗Country III - Colombia: The Andes enter Colombia and split into three branches (Cordilleras). ✓Country IV - Ecuador: Ecuador lies along the Andes, which run through its central region. ✓Country V - Paraguay: Paraguay is located east of the Andes and has no Andean mountain system. ✗Country VI - Venezuela: The Andes extend into northwestern Venezuela (Venezuelan Andes). ✓Thus, the Andes pass through four of the given countries: Bolivia, Colombia, Ecuador, and Venezuela.Why other options are incorrect:Option A & B: Underestimate the correct count.Option D: Incorrect, as neither Brazil nor Paraguay are traversed by the Andes.Key Concept: The Andes extend through 7 countries (north to south): Venezuela → Colombia → Ecuador → Peru → Bolivia → Chile → Argentina. Countries like Brazil and Paraguay lie outside the Andean mountain system.

Consider the following countries:BoliviaBrazilColombiaEcuadorParaguayVenezuelaAndes mountains pass through how many of the above countries?

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Consider the following countries:BoliviaBrazilColombiaEcuadorParaguayVenezuelaAndes mountains pass through how many of the above countries?

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