World Geography MCQs

141. The smallest country of the world is

A. Russia
B. Vatican city
C. Brazil
D. Canada
✅ The correct answer is option B.
Based on landmass, Vatican City is the smallest country in the world, measuring just 0.2 square miles, almost 120 times smaller than the island of Manhattan. Situated on the western bank of the Tiber River, Vatican City’s 2-mile border is landlocked by Italy.

145. The most densely populated country of Africa is

A. Mauritius
B. Rwanda
C. Burundi
D. Sierra Leone
✅ The correct answer is option A.
With a population density of 624 inhabitants per square km, Mauritius is the most densely populated African nation. Port Louis, Mauritius. Mauritius has a higher population density than any other country in Africa. Africa is the second largest continent based on population as well as area.

146. The river situated along the border between the USA and Mexico is

A. the Rio Grande
B. the Amazon
C. the Mississippi
D. the Colorado
✅ The correct answer is option A.
Rio Grande, Spanish Río Grande del Norte, or (in Mexico) Río Bravo, or Río Bravo del Norte, fifth longest river of North America, and the 20th longest in the world, forming the border between the U.S. state of Texas and Mexico.

148. The northern portion of the western coastal plain is called

A. Konkan plain
B. Malabar coast
C. Coromendel coast
D. None of the above
✅ The correct answer is option A.
The region consists of three sections: the Northern part of the coast is called the Konkan (Mumbai-Goa), the central stretch is called the Kanara, while the southern stretch is referred to as the Malabar Coast.
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