geomorphology & earth landforms section 1 MCQ Questions & Answers Detailed Explanation

Answer: (b)

Sedimentary rocks are deposited in layers.

At times the particles of rocks are wholly organic in nature. And the rocks are not crystalline.

Answer: (a)

A geyser is a spring characterized by intermittent discharge of water ejected turbulently and accompanied by a vapour phase (steam).

The word geyser comes from Geysir, the name of an erupting spring at Haukadalur, Iceland; that name, in turn, comes from the Icelandic verb geysa, “to gush”, the verb itself from Old Norse.

Answer: (d)

Answer: (c)

Wind erosion may be carried out through deflation, abrasion and attrition :

1. Deflation: This involves the lifting and blowing away of loose materials from the ground.
2. Abrasion: The sand-blasting of rock surfaces by winds when they hurl sand particles against them is called abrasion.
3. Attrition: When wind-blown particles roll against one another in a collision they wear each other away so that their sizes are generally reduced and grains are rounded into millet seed sand, the process is called attrition.

Answer: (a)

Drumlin, Esker and Kame are Glaciofluvial depositional features, but Horn is a Glacier erosional feature.

Answer: (d)