Geomorphology - Geography Objective Questions with Answers | Page-21

Answer: Option [D]

The top of the cone of a volcanic mountain has a depression known as the Crater. A volcanic cone is a triangle-shaped hill formed as material from volcanic eruptions piles up around the volcanic vent, or opening in Earth's crust. Most volcanic cones have one volcanic crater, or central depression, at the top. They are probably the most familiar type of volcanic mountain.

Answer: Option [C]

The correct answer is One hour. It takes 24 hours for the sun to go through the full 360° around the world, so an hour of time is equal to 15° of longitude.

Answer: Option [C]

The correct answer is Chronometer. A highly accurate timepiece which is used to keep Greenwich meantime – chronometer is best defined in this option because chronometer is a time that is based on the relationship between zone time and Greenwich mean time. Thus, this option is the most appropriate answer.

Answer: Option [A]

Grooving are formed due to Erosion by glacier. As glaciers spread out over the surface of the land, (grow), they can change the shape of the land. They scrape away at the surface of the land, erode rock and sediment, carry it from one place to another, and leave it somewhere else. Thus, glaciers cause both erosional and depositional landforms.

Answer: Option [D]

Lapies are formed by erosion in limestone areas. When water flows over a surface having limestone along with other hard rocks, lapies are formed. Limestone being a soft rock, erodes the limestone forming several narrow and deep trenches like structures, clints, and grikes dispersed by sharp pin-like vertical pinnacles roughly parallel to each other.