The 'Llanos' grasslands are found in:

Explanation

The Llanos are not a general name for any Latin American grassland; they refer to a specific South American grassland region in Venezuela and Colombia. Britannica describes them as wide grasslands occupying western Venezuela and north-eastern Colombia, and they are tropical grasslands or savannas drained by the Orinoco River. Their seasonality is central to recognising them in geography questions: the wet season brings flooding, while the dry season leaves the landscape dry. That combination of location, savanna vegetation, Orinoco drainage and seasonal flooding makes option A the only correct match.

Why the other options are wrong

• (B) Argentina is associated here with the Pampas, not the Llanos grasslands of Venezuela and Colombia.
• (C) Brazil is associated here with Campos and Cerrado, so it does not identify the Llanos region.
• (D) Mexico has different vegetation in this comparison and is not the Orinoco-drained Llanos region.

Concept

This tests the world-geography mapping of major grasslands to their regions. It recurs in RAS because grassland names such as Llanos, Pampas, Campos and Cerrado are easy to confuse in factual map-based questions.

Source

• Encyclopaedia Britannica
• https://documents1.worldbank.org/curated/en/602251565575276312/pdf/Colombia-Orinoquia-Integrated-Sustainable-Landscapes-Project.pdf

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