geomorphology & earth landforms section 7 MCQ Questions & Answers Detailed Explanation

Answer: (d)

Answer: (c)

The Kalahari desert is a large semi-arid sandy Savanna in South Africa extending 900000 sq km (35000 sq mi), covering much of Botswana and parts of Namibia and South Africa.

As a semi-desert, with huge tracts of excellent grazing after good rains, the Kalahari supports more animals and plants than a true desert, such as the Namib desert to the West. There are small amounts of rainfall and the summer temperature is very high.

It usually receives 3-7.5 inches (76-190 mm) of rain per year. The surrounding Kalahari Basin covers over 2500000 sq km (970000 sq mile) extending farther into Botswana, Namibia and South Africa and encroaching into parts of Angola, Zambia and Zimbabwe.

Answer: (d)

Answer: (c)

Aravalli Mountain is not built during the tertiary period.

The Aravalli Range literally meaning ‘line of peaks’, is a range of mountains in western India running approximately 800 km in a northeastern direction across the Indian states of Gujarat, Rajasthan, Haryana and Delhi.

Answer: (d)

Answer: (b)

Isohyet is a line drawn on a map connecting points that receive equal amounts of rainfall in a given period. A map with isohyets is called an isohyetal map.