Physical Geography of Tamil Nadu Book Back Questions 10th Social Science Lesson 16

10th Social Science Lesson 16

16] Physical Geography of Tamil Nadu

Book Back Questions with Answer and Do You Know Box Content

Do You Know?

As per, the States Reorganisation Act, 1956, state boundaries were reorganised on some linguistic basis.

All districts of Tamil Nadu except the Chennai, the Nilgiris and Kanyakumari were bifurcated at different points of time.

Major hills in Tamil Nadu: Coimbatore – Maruthamalai, Velliangiri and Anaimalai; Dharmapuri – Theertha malai, Chitteri and Vathalmalai; Dindigul – Pazhamalai and Kodaikanal; Erode – Chennai hills and Sivan hills; Vellore – Javadhu, Yelagiri and Rathinamalai hills; Namakkal – Kolli hills; Salem – Servarayan, Kanjamalai and Chalk hills; Kallakurichi – Kalvarayan; Villupuram – Gingee hills; Perambalur – Pachaimalai; Kanyakumari – Marunthuvazhmalai; Tirunelveli – Mahendragiri and Agasthiyarmalai; The Nilgiris – Nilgiri hills.

Peaks in Eastern Ghats	Height (m)
Shervarayan temple	1,623
Mazhamalai	1,500
Urgamalai	1,486
Kuttirayan	1,395
Muganur	1,279
Valsamalai	1,034

Pamban, Hare, Krusadai, Nallathanni Theevu, Pullivasal, Srirangam, Upputanni, Island Grounds, Kattupalli Island, Quibble Island and Vivekananda Rock Memorial are some major islands of Tamil Nadu.

Seasons of Tamil Nadu: Winter – January-February; Summer – March-May; Southwest Monsoon-June-September; Northeast Monsoon – October-December.

Chinnakallar near Valparai is the 3^rd wettest place in India and the wettest place in Tamil Nadu.

Pichavaram mangrove forest is located near Chidambaram, Cuddalore district. This is the second largest mangrove forest in the world covering about 1,100 hectares (11 sq.km) of area. It is separated from the Bay of Bengal by a sandbar. It consists of species like Avicennia and Rhizophora.

Biosphere Reserves in Tamil Nadu: Nilgiri Biosphere Reserve, Gulf of Mannar Biosphere Reserve, Agasthiyamalai Biosphere Reserve.

Role of Mangroves in Coastal Zone Management: Mangroves helps in the prevention of coastal erosion from waves and storms. It also protects coral reefs and sea grass meadows from being smothered in sediments.

Districts with prominent forest cover in Tamil Nadu
District	Area (sq km)
Dharmapuri	3,280
Coimbatore	2,627
Erode	2,427
Vellore	1,857
The Nilgiris	1,583
Dindigul	1,662

Some methods of water conservation are: Protection of water from pollution; redistribution of water; rational use of groundwater; population control; renovation of traditional water sources; use of modern irrigation methods; increasing forest cover; changing crop pattern; flood management and use of geothermal water are some of the major water conservation methods.

State/Union Territories organisations: State Disaster Management Authority (Chairman-Chief Minsiter) , Relief/Disaster Management Department, Police, Forest Department, Fire and Civil Defence Services, Health Services, Transport Department, Public Works Department, Veterinary Services, Food & Civil Supplied Department.

District Organisations: District Magistrate (Chairman-District Collector) , Revenue Department, Civil Administration, Local Police, Civil Defence, Fire & Emergency Services, Home Guards (also Local Community, Non-Government Organisations, Voluntary Agencies) etc.

Choose the best answers:

1. The latitudinal extent of Tamil Nadu is

(a) 8^o5’N to 13^o35’N

(b) 8^o5’S to 13^o35’S

(c) 8^o0’N to 13^o05’N

(d) 8^o0’S to 13^o05’S

2. The longitudinal extent of Tamil Nadu is

(a) 76^o18’E to 80^o20’E

(b) 76^o18’W to 80^o20’W

(c) 86^o18’E to 10^o20’E

(d) 86^o18’W to 10^o20’W

3. The highest peak in Tamil Nadu is

(a) Anaimudi

(b) Doddabetta

(c) MAhendragiri

(d) Servarayan

4. Which of the following passes in not located in the Western Ghats of Tamil Nadu?

(a) Palghat

(b) Shencottah

(c) Bhorghat

(d) Achankoil

5. Which one of the following rivers is flow into the Arabian Sea?

(a) Periyar

(b) Cauvery

(c) Chittar

(d) Bhavani

6. The district with largest mangrove forest cover in Tamil Nadu is

(a) Ramanathapuram

(b) Nagapattinam

(c) Cuddalore

(d) Theni

7. Retreating monsoon wind picks up moisture from

(a) Arabian Sea

(b) Bay of Bengal

(c) Indian Ocean

(d) Timor Sea

8. Which of the following district is affected by sand dunes to a large extent?

(a) Theni

(b) Madurai

(c) Thanjavur

(d) Ramanathapuram

9. The district which has the largest forest cover in Tamil Nadu is

(a) Dharmapuri

(b) Vellore

(c) Dindigul

(d) Erode

Fill in the blanks:

1. The plateau which lies between the Nilgiris and Dharmapuri districts is _____________

2. ______________ is the highest peak in the southern most part of the Eastern Ghats.

3. The riverine Island of Srirangam is located between ______________ and _____________ branches of Cauvery.

4. ____________ is the Tamil Nadu state animal.

Match the following:

1. Winter Season – Pre-monsoon

2. Summer Season – June to September

3. Southwest monsoon – March to May

4. North east monsoon – January and February

5. Mango Shower – October to December

Consider the following the statements and tick the appropriate answer:

1. Assertion (A): Tamil Nadu does not receive much rainfall from southwest monsoon.

Reason (R): It is situated in the rain shadow area of the Western Ghats.

(a) Both (A) and (R) are true and (R) explains (A)

(b) Both (A) and (R) are true and (R) does not explains (A)

(c) (A) is correct (R) is false

(d) (A) is false (R) is true

Answers:

Choose the best answers:

1. 8°5′N to 13°35′N 2. 76°18′ E to 80°20′E 3. Doddabetta 4. Bhorghat 5. Periyar

6. Cuddalore 7. Bay of Bengal 8. Ramanathapuram 9. Dharmapuri

Fill in the blanks:

1. Bharamahal 2. Solaikaradu 3. Northern and Southern 4. Laterite 5. Nilgiri Tahr

Match the following:

1.Winter season – January and February

2.Summer season – March to may

3.Southwest monsoon – June to September

4.North east monsoon – October to December

5.Mango Shower – Pre – Monsoon shower

Assertion type Question:

1. Both (A) and (R) are true and (R) explains (A)