Class 12 Geography Chapter 23 Assam Geography The answer to each chapter is provided in the list so that you can easily browse throughout different chapters SCERT Class 12 Geography Chapter 23 Assam Geography and select need one.
Class 12 Geography Chapter 23 Assam Geography
Also, you can read the SCERT book online in these sections Solutions by Expert Teachers as per SCERT (CBSE) Book guidelines. These solutions are part of SCERT All Subject Solutions. Here we have given Assam Board/NCERT Class 12 Geography Chapter 23 Assam Geography Solutions for All Subject, You can practice these here…
TEXTUAL QUESTION & ANSWER
LOCATION OF ASSAM IN NORTHEAST INDIA
Q.1. Which one of the following accounts the percentage figure of river built plain area of Assam?
(a) 5% (b) 13% (c) 60% (d) 80%
Ans :- (d) 80%
Q.2. What is the total land area of the states of North-East India?
Ans :- 2,55,083 sq.km.
Q.3. Name the neighbouring countries, sharing common boundaries with Northeast India.
Ans :- China, Myanmar, Bhutan and Bangladesh.
Q.4. What is the total geographical area of Assam?
Ans :- 78,438 sq. km.
PHYSIOGRAPHY, DRAINAGE AND CLIMATE OF ASSAM
Q.1. What type of climate prevails in Assam?
(a) Cwa or Cwg
(b) Mesothermal Rainy
(c) Tropical desert
(d) Tropical Monsoon
Ans :- (c) Tropical desert
Q.2. In which place of the following the annual rainfall is very low
Ans :- (b) Lumding
Q.3.Which one of the following is the high land between Dhansiri and Kopili rivers?
(a) Block mountain
(b) Part of the Deccan plateau
(c) Fold mountain
(d) Deposition of rivers
Ans :- (a) Block mountain
Q.4. The total number of important tributaries of the Brahmaputra within the territory of Assam is
(a) 110 (b) 90 (c) 57 (d) 33
Ans :- (b) 90
Q.5. Which of the following does not originate from the Himalayan range ?
(a) The Subansiri
(b) The Manas
(c) The Sonkosh
(d) The Burhi Dihing
Ans :- (d) The Burhi Dihing
Q.6. Which one of the following is sub-tributary?
(a) Jia Dhansiri
Ans :- (d) Daiyang
Q.7. The percentage of geographical areas of Assam to the total area of the countries in
(a) 3.29 (b) 9.23 (c) 2.93 (d) 2.39
Ans :- (d) 2.39
Q.8. The hills of which district of Assam is the outlying segment of Deccan Plateau ?
(a) Karbi Anglong
(b) North Cachar
Ans :- (a) Karbi Anglong
Q.9. The average slope gradient of the Brahmaputra valley from Kundil Bazar area to Dhubri is
(a) 1.28 m per Km
(b) 8.12 cm per Km
(c) 12.08 cm per Km
(d) 21.08 cm per Km.
Ans :- (c) 12.08 cm per Km.
Q.10. The number of major north bank tributaries of the Brahmaputra is
(a) 33 (b) 57 (c) 75 (d) 90
Ans :- (d) 90
Q.11. Which one of the following rivers is a north bank tributary of the Brahmaputra?
(a) Kopili (b) Disang (c) Dikhow (d) Subansiri
Ans :- (d) Subansiri
Q.12. The average annual rainfall in Assam is
(a) 150 cm (b) 203 cm (c) 230 cm (d) 320 cm
Ans :- (d) 320 cm
Q.13. Lumding-Lanka-Hojai area of Assam is the
(a) Wettest area
(b) Rain Shadow area
(c) Dry area
(d) Hottest area
Ans :- (c) Dry area
Q.14. In which part of Assam the interfluous swamp areas are seen?
Ans :- Barak valley.
Q.15. What is the total area of the Brahmaputra valley?
Ans :- The total area of the Brahmaputra valley is 58,315 sq.km.
Q.16. What are the longitudinal and latitudinal extensions of Assam?
Ans :- 89951 – 96°1 East longitudinal and 24°6 – 28°0 are North latitudinal of Assam.
Q.17. What are the longitudinal and latitudinal extensions of Northeast India?
Ans :- The extensions of Northeast India are 89 49 to 97 26 longitudinal and 221 to 29-26 latitudinal.
Q.18. What is the total population of Northeast India in 2001?
Ans :- The total population of Northeast India in 2001 is 3,15,47.314.
Q.19. Name the two peaks of Karbi plateau.
Ans :- The two peaks of Karbi Plateau are Dumbakchu and Singhasan.
Q.20. Where the Hamren plateau is situated?
Ans :- The Hamrean Plateau is situated in the West path of Kopili river.
Q.21. What is the pattern of rivers of the Karbi plateau?
Ans :- The pattern of rivers of Karbi plateau is centrifugal.
Q.22. Name two tributaries of the Brahmaputra flow over the Karbi plateau.
Ans :- The two tributaries of the Brahmaputra flows over the Karbi Plateau are – Dhiphlu and Namber.
Q.23. Name the main peaks of the Borail range.
Ans: The main peaks of the Borail range is Thaipibang.
Q.24. Name the hill range, which divides the two watersheds the Brahmaputra and the Barak.
Ans :- Borail the hill range, which divides the two watersheds the Brahmaputra and the Barak.
Q.25. What is the length and breadth of the plain of the Brahmaputra valley?
Ans : The length and breadth is 720 km and 30 to 100 km of the plain of the Brahmaputra valley.
Q.26. Name the northern tributaries of the river Brahmaputra.
Ans : The northern tributaries of the river Brahmaputra are Subansiri and Jia-Bharali.
Q.27. Name the southern tributaries of the river Brahmaputra.
Ans :- The southern tributaries of the river Brahmaputra are Dhikhcu and Dhansiri.
Q.28. Which is the biggest inhabited river island of the world?
Ans :- Majuli is the biggest inhabited river island of the world.
Q.29. What is the average annual temperature of Assam?
Ans :- The average annual temperature of Assam is 30°-33 Celsius.
Q.29. Name three tributaries of the river Barak.
Ans :- The three tributaries of the river Barak are Jatinga, Jiri and Chiri.
Q.30. Give the length of the river Brahmaputra within the geographical boundary of Assam?
Ans :- 650 km the length of the river Brahmaputra within the geographical boundary of Assam.
Q.31. What is the average width of the river Brahmaputra?
Ans :- The average width of the river Brahmaputra is 1.2 to 15.6 km.
Q.32. Name the source area of the river Barak.
Ans :- Manipur hills of India, Liyai village of Poumai Naga, the river is known as the Barak river source.
Q.33. Name the three physiographic units of Assam.
Ans :- The three physiographic units of Assam are the plain, the plateau and the hills.
Q.34. Between which two rivers the Karbi Plateau is situated?
Ans :- The two rivers of the Karbi Plateau are situated between Dhansiri and Kopili.
Q.35. What do you mean by Foot hills zone?
Ans :- Foothills are geographically defined as gradual increases in elevation at the base of a mountain range.
Q.36. What is the height of the highest peak of the Karbi Plateau and what is its area?
Ans :- The height of the highest peak of the Karbi plateau is 1363m.
Q.37. What is the main reason for the temperature difference of Brahmaputra and Barak Valleys?
Ans :- Latitudinal is the main reason for temperature difference between Brahmaputra and Barak Vaileys.
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