world physical geography section 3 Practice Questions Answers Test with Solutions & More Shortcuts

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.

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: (a)

All the above statements are correct.

Answer: (b)

1. The United States of America (22.6%),
2. Russia (14.4%) and China (12.6%) together account for about 50 per cent of the global coal deposits.
3. Australia (8.9%) and India (7.0%) come next.

In terms of coal production, China, the USA and India are the world’s topmost countries.

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.