world physical geography section 3 MCQ Questions & Answers Detailed Explanation

Answer: (b)

The Grand Canyon is a steep-sided canyon carved by the Colorado River in the United States in the state of Arizona.

For thousands of years, the area has been continuously inhabited by Native Americans.

Answer: (d)

• The Seine is a 776 km-long river and an important commercial waterway within the Paris Basin in the north of France.
• The Potomac River flows into the Chesapeake Bay, located along the mid-Atlantic coast of the United States.
• The Rhine is a river that flows from Grisons in the eastern Swiss Alps to the North Sea coast in the Netherlands and is the twelfth longest river in Europe. Germany, Austria, Switzerland, France, Netherlands are countries traversed by it.
• The Danube is a river in Central Europe, the continent’s second-longest after the Volga. Classified as an international waterway, it originates in the town of Donaueschingen which is in the Black Forest of Germany at the confluence of the rivers Brigach and Breg. The Danube then flows southeast for 2,872 km, passing through four Central European capitals before emptying into the Black Sea via the Danube Delta in Romania and Ukraine.

Answer: (a)

Baltic Nations are those that have shorelines along the Baltic Sea.

The group of countries presently referred the Baltic States are Estonia, Latvia, and Lithuania. Slovakia is not a Baltic state.

Answer: (a)

All the above statements are correct.

Answer: (a)

The Nile, a major north-flowing river in northeastern Africa, is generally regarded as the longest river in the world. It is 6,853 km long. The Amazon (South America) and Yangtze of China are at second and third positions with a length of 6400 km and 6300 km respectively.

Answer: (d)

1. An epiphyte is a plant that grows harmlessly upon another plant (such as a tree) and derives its moisture and nutrients from the air, rain. Epiphytes provide a rich and diverse habitat for other organisms including animals, fungi, bacteria etc. Selvas is found in South America.
2. Savanna is a rolling grassland scattered with shrubs and isolated trees, which can be found between a tropical rainforest and desert biome. Savanna is found in Africa, South America, India, and Australia.
3. Tundra is a type of biome where tree growth is hindered by low temperatures and short growing seasons. Tundra is the coldest of all the biomes. The vegetation is composed of dwarf shrubs, sedges and grasses, mosses, and lichens.
4. Tropophytesis a kind of plant adapted to climatic conditions in which periods of heavy rainfall alternate with periods of drought. It grows in monsoon land.