Extra peninsular mountains of India were formed during
Correct Answer:
(D)
Cenozoic Era
Extra peninsular mountains of India were formed in Cenozoic Era. Himalayan Ranges are example of extra peninsular mountains of India.
Ques:
62
Why is Dhanbad most densely inhabited district of Chotanagpur plateau?
Correct Answer:
(C)
Development of mining industries and industriali-zation.
Dhanbad comes under Chotanagpur plateau which is famous for coal mining and has some of the largest mines in India. Red soil is found in most of its region which is not useful for agriculture. Availability of coal, iron, mica etc is not a good reason for population density.
Ques:
63
Chotanagpur Plateau –
Correct Answer:
(A)
Is a front sloping
Chotanagpur plateau covers much of Jharkhand as well as adjacent parts of Odisha, West Bengal, Bihar and Chhattisgarh.
The Chotanagpur Plateau extends over an area of approximately 87239 sq.km. Chotanagpur consists of a series of plateaus at different levels of elevation. On Central Western portion the 'Patland' is extended whose height is about 1100 mt. In this the sharp break in slope is marked by steep scarps. Hence it is a front sloping.
Ques:
64
Which plateau lies between the Aravalli and the Vindhya ranges –
Correct Answer:
(A)
Malwa Plateau
Malwa plateau spreads over an area of 150000 sq .km with a length of 530km and a width of 390 km. Its northern end is determined by Aravalli, southern end by the Vindhya range and eastern border by Bundelkhand plateau.
Ques:
65
Dandakaranya lies in –
Correct Answer:
(B)
Chhattisgarh and Orissa
Dandakaranya region occupies an area of about 89078 sq. km in the State of Odisha, Chhattisgarh, Telangana, Maharashtra and Andhra Pradesh. The region extends for about 480km from east to west and 320km from north to south.
Ques:
66
The snow-line in Himalayas lies between
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:
67
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:
68
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:
69
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:
70
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.