geomorphology & earth landforms section 8 Practice Questions Answers Test with Solutions & More Shortcuts

Answer: (a)

Lakes that form inside calderas (a cauldron-like volcanic feature usually formed by the collapse of land following a volcanic eruption) are called caldera lakes. These lakes form as the created depression is filled by water.

For example, Lake Pinatubo, Philippines, formed after the 1991 eruption of Mount Pinatubo filled the depression with water from monsoon rains.

Answer: (b)

Answer: (d)

Weathering is the breaking down of rocks, soils and minerals as well as artificial materials through contact with the Earth’s atmosphere, biota and waters. Weathering occurs in situ, or “with no movement.”

Answer: (a)

An equator is the intersection of a sphere's surface with the plane perpendicular to the sphere's axis of rotation and containing the sphere's centre of mass. This imaginary line on the Earth's surface is equidistant from the North Pole and the South Pole, dividing the Earth into the Northern Hemisphere and Southern Hemisphere.

It is one of the five notable circles of latitude on Earth, with the others being the two Polar Circles and the two Tropical Circles: the Tropic of Cancer and the Tropic of Capricorn.

Answer: (a)

The rate of deforestation is high in Temperate Zone.