Physical Features, Himalayas

Question 1

India has all major……

Answer 1

Physical features of earth, mountains, plains, plateaus, deserts and islands

Question 2

India is a large landmass formed during ………

Answer 2

Different geological periods which has influenced its relief

Question 3

Oldest landmass( peninsula part) was a part of ….. which included

Answer 3

Gondwana land
Included India, Australia, South America, South Africa, Antarctica as one single landmass

Question 4

Gondwana land

Answer 4

Southern part of ancient supercontinent called Pangea with Angara land in the northern part

Question 5

Geosyncline

Answer 5

Trough of subsidence of earth crust within which vast amount of sediments accumulate

Question 6

Tethys

Answer 6

Geosyncline that existed along Northern margin of indian plate during paleozoic or Mesozoic era

Question 7

Tethys sea

Answer 7

An ancient ocean that existed from 250 - 50 million years ago separating Gondwana and Laurasia

Question 8

India physiographic divisons

Answer 8

1. Himalayan mountains
2. Northern plains
3. peninsular plateau
4. Indian desert
5. Coastal plains
6. The Islands

Question 9

Himalayas run in a

Answer 9

West to East direction from Indus to Brahmaputra

Question 10

Himalayas form an Arc covering

Answer 10

Distance of 2400 kms along Northern borders of India

Question 11

Himalayas width varies from

Answer 11

400 km in kashmir to 150 km in arunachal pradesh

Question 12

Himalayas altitudinal variations

Answer 12

Greater variations in eastern half than western half

Question 13

Himalayas consist of ________ ranges.

Answer 13

3 parallel ranges in its longitudinal extent
Northernmost range = Great/ Inner Himalayas , Himadri
Himachal or lesser Himalyas,
Southernmost/outermost range = shiwaliks

Question 14

Greater Himalayas ?
Avg. Height

Answer 14

Most continous range, have loftiest peaks( all prominent ones)

Avg. Height 6,000 metres

Question 15

Great Himalayas
Composition
Snow

Answer 15

Composed of granite
Perennially snow bound, no. Of glaciers descended from this range

Question 16

Himachal/ lesser Himalayas
Composition
Width

Answer 16

Composed of highly compressed and altered rocks
Avg width = 50 kms

Question 17

Himachal/ lesser Himalayas
Altitude
Ranges

Answer 17

Altitude varies between 3700 to 4500 ms
Prominent ranges = Pir Panjal ( longest, most imp.)
Dhaula Dhar, Mahabharat.

Question 18

Famous valleys and consisting range

Answer 18

Lesser Himalayas are famous for its valleys and hill stations
Kashmir, Kangra and kullu valley

Question 19

Southermost range
Composition
How

Answer 19

Shiwaliks
Composed of unconsolidated sediments(coverd with thick gravel and alluviam brought down by rivers from upper courses)

Question 20

Shiwaliks
Width
Altitude

Answer 20

Width - 10-50 kms
Altitude - 900 - 1100 mts

Question 21

Duns and location?
Names?

Answer 21

Longitudinal valleys lying bw lesser Himalayas and shiwaliks
Dehra Dun, Kotli Dun, Patli Dun

Question 22

Himalayas lying between indus and satluj

Answer 22

Punjab Himalayas

Question 23

Punjab Himalayas regional names

Answer 23

Kashmir Himalayas in west and
Himachal Himalayas in east

Question 24

Kumaon Himalaya lie between

Answer 24

Himalayas lying between satluj and kali river

Question 25

Nepal Himalayas lies between river

Answer 25

kali and Tista

Question 26

Assam Himalayas lies between rivers

Answer 26

tista and dihang river

Question 27

Purvachal ( eastern hills and mountains )

Answer 27

Himalyas Spread along eastern boundary of India

Question 28

Purvachal composition

Answer 28

Strong sandstone which are sedimentary rocks

Question 29

Purvachal hills consist of

Answer 29

Patkai hills
Naga hills
Manipur hills
Mizo hills