Geography of the Himalayas and Northern Plains

Which statement best describes the geological nature of the Himalayas?

• They constitute one of the ancient landmasses on the earth's surface.

• They are the most recent landforms and form an unstable zone.

• They are composed of igneous and metamorphic rocks with gently rising hills.

• They are formed of alluvial deposits.

The Himalayan mountain ranges run in a west-east direction from the Indus to which river?

• Satluj

• Kali

• Teesta

• Brahmaputra

What is the approximate total distance covered by the arc formed by the Himalayas?

• 1,500 Km

• 2,000 Km

• 2,400 Km

• 3,000 Km

The northern-most and most continuous range of the Himalayas, consisting of the loftiest peaks with an average height of 6,000 metres, is known as the:

• Shiwaliks

• Himachal

• Himadri

• Purvachal

The range lying to the south of the Himadri, composed of highly compressed and altered rocks with an altitude varying between 3,700 and 4,500 metres, is called the:

• Great Himalayas

• Shiwaliks

• Himachal or Lesser Himalaya

• Purvachal

The longitudinal valleys lying between the Lesser Himalaya and the Shiwaliks are well-known by what collective name?

• Terai

• Bhabar

• Duns

• Doabs

The Northern Plain has been formed by the interplay of the Indus, the Ganga, and which other major river system?

• Mahanadi

• Krishna

• Godavari

• Brahmaputra

What type of soil primarily constitutes the Northern Plain?

• Black soil

• Red soil

• Laterite soil

• Alluvial soil

The northern plains, covering an area of 7 lakh sq. km, is approximately how long from west to east?

• 1200 km

• 1800 km

• 2400 km

• 3000 km

The Western part of the Northern Plain, formed by the Indus and its tributaries like Jhelum, Chenab, Ravi, Beas, and Satluj, is referred to as the:

• Ganga Plain

• Brahmaputra Plain

• Punjab Plains

• Doabs Plain