The snow line marks the elevation above which snow remains throughout the year. This topic covers important Indian glaciers such as Gangotri, Siachen, Yamunotri and their role in river systems and climate.
Correct Answer:
(A) 4300 to 6000 meters in East
The altitude in a particular place above which some snow remains on the ground throughout the year is called snow line. The snowline in the Himalayas has different heights in different parts. On an Average it has height- of 5500 – 6000m in Northern Part and 4500- 6000m in Southern Part of the Himalaya. In this way snowline in Himalayas lies between 4300 m to 6000 m.
Ques: 2
Siachen Glacier is situated to the:
Correct Answer:
(D)
North of Nubra Valley
Siachen Glacier is located in the Eastern Karakoram range in the Himalayas, and it lies to the North of Nubra Valley. The Siachen glacier (highest battlefield in the world) demarcates central Asia from the Indian subcontinent, and seperates Pakistan and China in the region. The Saltoro Ridge of the Siachen glacier serves as a divide that prevents direct links of POK with China, preventing them to develop any military links on land.
Ques: 3
Which of the following is the source of the Mandakini River?
Correct Answer:
(D)
d) Chorabari Glacier
Chorabari Glacier also known as the Chorabari Bamak Glacier lies in the Garhwal Himalayan region of Uttarakhand. It is the source of the Mandakini River and Chorabari Tal. Hence, D is the correct option.
Ques: 4
Chaurabari Glacier is located towards –
Correct Answer:
(C) North of Kedarnath temple
Chaurabari Glacier is located in Rudra Prayag district of Uttarakhand. The glacier lies in north of the Kedarnath Temple. Due to melting of glacier, a lake is formed which is named as Gandhi Sarovar Lake.
Ques: 5
The rate of melting of Himalayan glaciers is
Correct Answer:
(B) Highest in the world
The rate of melting of Himalayan glaciers is highest in the world. The Gangotri Glacier from where river Ganga originates is melting very fast, due to which it is reduced to half of its extension in the last 50 years.
Ques: 6
Consider the following pairs:
Which of the pairs given above are correctly matched?
Correct Answer:
(A) 1, 2 and 4
Mandakini River originates from Charibari glacier.
Zemu Glacier is the largest glacier in the Eastern Himalaya. It is about 26 kilometres in length and is located at the base of Kanchenjunga in the Himalayan region of Sikkim.
The Manas River is transboundary river in Himalayan foothills between southern Bhutan & India. It is the most extensive river system of Bhutan.
Besides Nubra, Yamuna & Chenab originates from the glaciers, i.e., Siachen, Bandarpunch & Bara Shigri respectively.