Consider the following statements and select the correct answer from the code given below:
Assertion (A) : All rivers originating from the Himalayas are perennial.
Reason (R) : Himalayas receive much of their precipitation from South-Western monsoon.
Code:
(A) and (R) are true, and (R) is the correct explanation of
(A)
Correct Answer:
(B)
The rivers originating from the Himalayas are perennial because their source is located in the Himalayan glaciers. The Himalaya receives much of its rain from the south-western monsoon. Assertion and Reason both are true. However, Reason (R) does not explain the Assertion (A) correctly.
Ques:
12
The Himalayas are formed of parallel fold ranges, of which the oldest range is –
Correct Answer:
(C)
The Great Himalayan Range
On the basis of folds and age of formation, the Himalayas is divided into four parallel structural areas -
Trans Himalaya
Great Himalaya
the Middle Himalayas
Shiwalik
According to the above options Great Himalaya is the oldest range of Himalayas (Oligocene period-25-40 million years ago). After this, the Middle Himalayas (mid-Miocene- 14 million years ago) and Shiwalik (Pliocene era- 5-1.7 million years ago) the newest range among them was formed.
Ques:
13
Which one of the following is the youngest mountain range of India?
Correct Answer:
(A)
Himadri Range
The Himadri Range is an example of the new fold mountain and is the youngest mountain range in India among the above-mentioned options. Aravalli range is the oldest mountain range in India.
Ques:
14
In which part of Himalayas is 'Karewa' landform found?
Correct Answer:
(D)
Kashmir Himalaya
In Kashmir Himalayas, landform found is known as 'Karewa'. A succession of plateaus is present above the plains of Jhelum and its tributaries. These plateau-like terraces are called 'Karewas' or 'Vuhr' in the local language.
Ques:
15
With reference to the Himalayan range, which of the statements is/are correct?
The sedimentary rocks of the greater Himalayas were fossil less.
Marine livings fossils are found in the sedimentary rocks of lesser Himalayas.
Remains of human civilization are found in outer or Shiwalik Himalayas.
Select the correct answer using the codes given below:
Correct Answer:
(B)
2 and 3 only
Marine living fossils are found in the sedimentary rocks of lesser Himalayas, is the correct statement.
Remains of human civilization are found in outer, or Shiwalik Himalayas is also a correct statement.
The sedimentary rocks of Himalayas are fossil less is incorrect statement as the sedimentary rocks of greater Himalayas have fossils in it. Statements (2) and (3) are right while statement (1) is wrong.
So, the correct answer to this question is option (b).
Ques:
16
The flat plains along the sub-Himalayan region in North India, are called –
Correct Answer:
(D)
Bhabar
The flat plains along the sub-Himalayan region in North India, are called Bhabar. It is a narrow belt only 8 to 16 kms in width and lying parallel to the Shiwalik foothills at the break-up of the slope. This zone is studded with pebbles and it consists of porous beds which have been laid down by the numerous streams as they descend down the hills. The porosity is so high that all streams lose themselves in the bhabar. South of the Bhabar is the Terai belt, with an approximate width of 15-30 km where most of the streams and rivers re-emerge without having any properly demarcated channel, thereby, creating marshy and swampy conditions known as the Terai. This has a luxurious growth of natural vegetation and houses a varied wildlife.
Ques:
17
The foothills region of Himalayas is –
Correct Answer:
(B)
Shiwalik
The foothills region of the Himalaya is called Shiwalik. These are the outer most range of the Himalayas. They extend over a width of 10-50 Km and have an altitude varying between 900 to 1100 meters. These ranges are composed of unconsolidated sediments brought down by rivers from the main Himalayan ranges located farther north.
Ques:
18
Shiwalik series was formed in –
Correct Answer:
(D)
Cenozoic
Shiwalik or outer Himalaya has formed approximately 5-1.7 million years ago in Pliocene Era means in Cenozoic period.
Ques:
19
The Kumaon Himalaya is situated between which of the rivers?
Correct Answer:
(C)
Satluj and Kali
The Kumaon Himalaya is situated between the Satluj and Kali rivers. The geographic Himalayas' part between the Indus and Satluj rivers is called the 'Punjab Himalayas', the Himalayas between the Kali and Teesta rivers is known as the 'Nepal Himalaya' and the one between the Teesta and Dihang rivers is known as 'Assam Himalayas'.
Ques:
20
The south of 'Shiwalik' rock series, Bhabar region is an example of?
Correct Answer:
(C)
Piedmont situation.
Bhabar region is a narrow belt ranging between 8-16 km parallel to the Shiwalik foothill at the break-up of the slope. As a result of this, the stream and rivers coming from the mountains deposits heavy material of rock and boulders. South of Bhabar is a Tarai belt with an approximate width of 15-30 km. Bhabar in the Southern region of Shiwalik is an example of the Piedmont situation.