geomorphology & earth landforms section 6 MCQ Questions & Answers Detailed Explanation

Answer: (b)

A prime meridian is a meridian, i.e. a line of longitude, at which longitude is defined to be 0°.

An international conference in 1884 decided the prime meridian passes through the Royal Observatory, Greenwich in southeast London, United Kingdom, known simply as the prime meridian.

Answer: (b)

Answer: (a)

Quartzite is a non-foliated metamorphic rock composed almost entirely of quartz. It forms when quartz-rich sandstone is altered by the heat, pressure, and chemical activity of metamorphism.

Answer: (c)

The epicentre is the point on the Earth's surface that is directly above the hypocenter or focus, the point where an earthquake or underground explosion originates.

In the case of earthquakes, the epicentre is directly above the point where the fault begins to rupture, and in most cases, it is the area of greatest damage.

Answer: (b)

Answer: (d)

Youthful drivers or streams are typically found in the highland or mountainous areas. They are characterized by steep slopes, a relatively small volume of water and rapid flow. Soil particles carried by youthful streams flow along the ground, wearing downhill slopes as the water flows down.

In this youthful stage of the river, such features as small lakes, waterfalls, rapids, V-shaped valleys, gorges and interlocking spurs are frequently found.