world physical geography section 5 MCQ Questions & Answers Detailed Explanation

Answer: (b)

Answer: (d)

Lake Victoria is the largest lake in Africa and is the source of River Nile, the longest river in the world.

Answer: (d)

Currently, the tallest dam in the world is the Nurek Dam, an embankment dam in Tajikistan at 300 m high. The tallest arch dam is the recently completed 292 m high Xiaowan Dam in China.

For gravity dams, the tallest is the 285 m high Grande Dixence Dam in Switzerland. When completed, a 335 m tall Rogun Dam also in Tajikistan could be the tallest, depending on the chosen design. Next in line is the 312 m Shuangjiangkou Dam currently under construction in China. Natural landslide dams are also quite competitive in height but not listed here.

In particular, the highest natural dam, Usoi Dam, is higher than the highest existing man-made one. The Bhakra Dam is a concrete gravity dam across the Sutlej River and is near the border between Punjab and Himachal Pradesh in northern India. The dam, at (226 m), is one of the highest gravity dams in the world (compared to the USA’s largest Hoover Dam at 743 ft).

Answer: (b)

The Volcan de Colima, also known as Volcan de Fuego is part of the Colima volcanic complex consisting of Volcan de Colima and Nevado de Colima.

It is the younger of the two and is currently one of the most active volcanos in Mexico and in North America. It has erupted more than 40 times since 1576.

Answer: (c)

1. Oasis – Depression of water
2. Oil – Libya
3. Gangri – Glacier
4. Bedouins – Sahara

Answer: (a)

Mount Erebus is the second-highest volcano in Antarctica (after Mount Sidley) and the southernmost active volcano on earth.

It is located on Ross Island, which is also home to three inactive volcanoes, Mount Terror, Mount Bird, and Mount Terra Nova. Mount Erebus has been active since c. 1.3 million years ago.