world physical geography section 3 MCQ Questions & Answers Detailed Explanation

Answer: (b)

The Niger River is the principal river of western Africa, extending about 4,180 km. Its drainage basin is 2,117,700 km² in area. Its source is in the Guinea Highlands in southeastern Guinea. The Orange River is the longest river in South Africa.

It rises in the Drakensberg Mountains in Lesotho, flowing westwards through South Africa to the Atlantic Ocean.

The Nile, which is 6,853 km (4,258 miles) long, is an “international” river as its drainage basin covers eleven countries, namely, Tanzania, Uganda, Rwanda, Burundi, Congo-Kinshasa, Kenya, Ethiopia, Eritrea, South Sudan, Sudan and Egypt. In particular, the Nile is the primary water source of Egypt and Sudan.

Answer: (a)

The central Asian steppes run through Kazakhstan, Turkmenistan, Uzbekistan and Mongolia. The climate here is harsh with dust storms, little to no rainfall and temperature ranging from – 4 to 50 degree Celsius.

Answer: (a)

1. Bushfires are rampant in Australia,
2. while hurricanes affect the U.S.A. the most and typhoons to china.
3. Baguio is a mountain resort city in the Philippines.

Answer: (a)

Turkey’s smaller part is in Southeastern Europe and its larger part in Western Asia which is located between Black Sea and Mediterranean

Answer: (a)

The Pacific Ring of Fire is an area where a large number of earthquakes and volcanic eruptions occur in the basin of the Pacific Ocean.

It has 452 volcanoes and is home to over 75% of the world's active and dormant volcanoes. About 90% of the world's earthquakes and 81% of the world's largest earthquakes occur along the Ring of Fire.

Answer: (c)

Mc Kinley is the highest mountain peak in the USA. Mount Mc Kinley or Denali is the highest mountain peak in North America, with a summit elevation of 20,237 feet above sea level.

At some 18,000 feet, the base to peak rise is considered the largest of any mountain situated entirely above sea level.