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Std VII SS Q-1 M.C.Q 1)Which Emperor ruled over India till the end of 6 th century ? a. Lichchhavi c. Gupta b. Kushan d. Maurya 2 After the death of which emperor did feudal lords and chieftains become independent rulers ? a. Emperor Samrudragupta b. Emperor Harshvardhan c. Emperor Kanishka d. Emperor Chandragupta Maurya 3. Who is considered to be a powerful ruler of Kanauj after Emperor Harshvardhan ? A. Yashoverma B. Mihir Bhoj C. Prithviraj Chauhan D. Kanishka I 4. Which town was made the capital after establishing rule in Ajmer by the rulers of Chauhan dynasty ? A. Ujjain B. Kanauj C. Jaipur D. Delhi 5. Which king of Pallava dynasty is considered to be powerful king? A. Narsinhvarma B. Govindvarma C.Yashovarma D.Mahendraverma 6. Rulers of which dynasty invaded Ceylon (Sri Lanka) ? A. Chola B. Chera C. Pandya D. Pallava

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Std VII SS

Q-1 M.C.Q

1) Which Emperor ruled over India till the end of 6th century ?a. Lichchhavi c. Guptab. Kushan d. Maurya2 After the death of which emperor did feudal lords and chieftains become independent rulers ?

a. Emperor Samrudraguptab. Emperor Harshvardhan c. Emperor Kanishkad. Emperor Chandragupta Maurya

3. Who is considered to be a powerful ruler of Kanauj after Emperor Harshvardhan ?

A. Yashoverma B. Mihir Bhoj C. Prithviraj Chauhan D. Kanishka I

4. Which town was made the capital after establishing rule in Ajmer by the rulers of Chauhan dynasty ?

A. Ujjain B. Kanauj C. Jaipur D. Delhi

5. Which king of Pallava dynasty is considered to be powerful king?

A. Narsinhvarma B. Govindvarma C.Yashovarma D.Mahendraverma

6. Rulers of which dynasty invaded Ceylon (Sri Lanka) ?

A. Chola B. Chera C. Pandya D. Pallava

7. Rulers of which dynasty had powerful naval army ?

A. Pallava B. Pandya C. Chola D. Chalukya

8. Which was the capital of Chola dynasty ?

A. Ajmer B. Tanjor C. Kanauj D. Ujjain

9. Which town was founded by Ajayraj , a ruler of Shakambhar State ?

A. Ajaymeru B. Ajayraj C. Ajaypur D. Ajaypuri

10. Who composed the famous epic ‘Prithviraj Raso’ ?

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A. Poet Jaydev B. Somdev C. Chand Bardai D.Amir Khushro

11. Which was the capital of ‘Kalchurious chedi state’ ?

A. Vatapi B. Tripuri (Tewar) C.Shakambhari D. Tanjor

12.Which dynasty ruled over Anhilpur Patan during Medieval age ?

A. Chavda dynasty B. Vaghela Dynasty C. Parmar dynasty D.Chauhan dynasty

13. Which dynasty did the ruler Govind III belong to ?

A. Rashtrakuta dynasty B. Chola dynasty

C. Pandya dynasty D. Chalukya dynasty

14. Which dynasty women had rule in their hands ?

A. Pallava dynasty B. Chera dynasty C. Pandya dynasty

D. Chola dynasty

15. What was the other name of Chera state ?

A. Madura B. Rashtra C. Tirunelvelli D. Kerala

16. Who was made the first powerful ruler of Chera state ?

A. Ajayraj B. Athan II C. Settungvan D.Athan I

17. In which direction is the Pole Star seen ?

A. South B. North C. West D. East

18.The imaginary lines drawn in which direction on the globe are called ‘longitudes’ ?

A. North-South B. North-east C. West-east D. East-South

19.Which longitude is called ‘International Date line’ ?

A. 82.5o B. 90o C. 360o D. 180 o

20.Which is the biggest clock of the world ?

A.Stars B. Constellations C. Sun D. Moon

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21.How many longitudes are there ?

180 B. 270 C. 360 D. 90

22.How much time does one longitude take to pass in front of the sun ?

A.4 Minutes B. 16 Minutes C. 1 Hour D. 24 Hours

23.What is the time of all the places on one longitude when that longitude comes opposite the sun ?

A.6:00 in the morning B. 11:00 at noon C. 6:00 in the evening

D. 12:00 at noon

24.Through which city does our standard meridian pass ?

A. Amritsar B. Kolkata C. Gandhinagar D. Allahabad

25. In which direction of Asia is India located?

A. North B. East C. South D. West

26.Which country is located to north-west border of India?

A. China B. Myanmar C.Pakistan D. Bangladesh

27.Which country is located to the south of India?

A. Sri-Lanka B. Afghanistan C. Myanmar D.Bangladesh

28.Which position does India holds in the world in terms of area?

A. Sixth B. Seventh C.Fifth D. Fourth

29.Which tropic passes almost through the middle of India?

A. Tropic of Capricorn B.Tropic of Cancer C. Equator D. Arctic circle

30.Into how many Physiographic divisions India can de divided?

A. Fourth B. Three C. Six D. Five

31.By which name is the Himalayan range towards India known?

A.Shivalik range B. Lesser Himalayas C. Greater Himalayas

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D. Central Himalayas

32.What is the height in metres of Mt. Godwin Austin (k2)?

A.8848 B.8611 C.7548 D.8854

33.What is the height in metres of Mt.Everst?

A.8848 B.4881 C.7554 D.8598

34.Which one of the following rivers starts from the Himalayas?

A. Godavari B. Mahanadi C.Ganga D. Kaveri

35.Which city is located on the banks of river Yamuna?

A. Kolkata B. Lucknow C.Agra D. Patna

36.Which one of the following hill stations is located in the Deccan plateau?

A. Shimla B.Mahabaleshwar C. Gulmarg D. Almora

37.Which one of the following cities is located in the Deccan plateau?

A.Allahabad B.Hyderabad C. Varanasi D. Patna

38.Which one of the following port is located on the western cost of India?

A . Vhishakapatnam B. Chennai C. Machilipatnam D. Kandla

39.Which of the following port is located on the eastern coast of India?

A. Mangaluru B. Vishakhapatnam C. Marmagoa D. Kandla

39.How long is the Indian Sea coast? OR

What is the length of the India Seacoast?

A.7517 km B. 6100 km C.6548km D. 6544km

Q-2 Fill in the blanks

1 At the end of 7th century , the unity of political power of Harshvardhan Empire broke .

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2 The person who collected the revenue of a particular province was called Landlord or Feudal lord .

3. The rulers of Pratihar dynasty of Kanauj had protected India from the invasion of Arabs.

4 During the rule of king Mihirbhoj of Pratihara dynasty , he continually kept on fighting against Rashtrakutas .

5. Ujjain and Dharanagari were the cities of Malva .

6 Kalishnath Temple of Kanchi was constructed during Pallava dynasty .

7. In south , the capital of Chola dynasty was Tanjor.

8. King Raj Raja of Chola dynasty had started land measuring and local self – government .

9 Sambhar Lake is to the north of Ajmer .

10 The other name of Prithviraj III was Rajpithora.

11. Chand Bardai had composed the epic named ‘Prithviraj Raso’

12. Bappa Raval was the founder of Sisodiya dynasty.

13. In Anhilwada Patan of Gujarat in the Medieval age , Chavda dynasty of Rajputs and Solanki dynasty ruled .

14. Rashtrakut dynasty came to power after the fall of Chalukya in south India .

15. The rule of Pandya dynasty was in the hands of women in South India .

16. In the stone inscription of Emperor Ashoka ‘Kepalputra Rajya’ is mentioned for Kerala province.

17. A powerful king named Settungvan ruled in Cheran Dynasty

18. When Rajputs lost hope of winning against enemy in battlefield, they performed Kesariya

19. When Rajputs became martyrs against enemies in battlefield , their wives (Rajputanies) performed Jauhar.

20.The horizontal imaginary lines drawn on the globe are called Latitude.

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21.The vertical imaginary lines drawn on the globe are called Longitudes.

22.The 0o longitude passing through Greenwich in England is called Greenwich line/ Prime meridian.

23. 0 o Longitude passes through Greenwich in England.

24.The 180o longitude is called International Date Line.

25.The International Date line Passes over the Pacific Ocean.

26.Time of the places on the globe is decided by longitude .

27.In one hour, 15 longitudes pass by in front of the sun.

28.There is a Difference of 4 minutes between two successive longitudes.

29.The time decided according to the mid-day is called local time.

30.When the time for the entire nation in decided from one longitude, it is known Standard time.

31.The Standard time of our nation is decided by 82.5 o East longitude.

32.India is located between 68 o and 97 o East longitudes.

33.When it is noon in Greenwich, it will be 11:00 in the morning on 15o west longitude.

34.While crossing the 180o longitude, from east to west on the 8th day of a month, a plane or a ship will change the date to seventh.

35.While crossing the 180o longitude, from east to west on Sunday , a plane or a ship will change the day to Monday.

36. Sun is the biggest clock of the earth.

37.Position of India is Seventh in the Asian continent.

38.Bangladesh country is located to the east of India.

39.Pakistan country is located to the west of India.

40.Srilanka is located to the south of India.

41.Pakistan (country) is located to the north-west of India.

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42.Arabian sea lies to the west of India.

43.Indian ocean is located to the south of India.

44.Bay of Bengal is to the east of India(name the water body). OR The Bay of Bengal lies to the east of India.

45.The north-south length of India is about 3214 km.

46.The east-west width of India is about 2933 Km.

47.The total land area of India is approximately 3287263 sq km.

48.There are a total of 29 states and 7 Union Territories in India.

49.The Himalayas is not a mountain, but it is series of three Himalyan mountain range.

50.The tallest peak of India is Mt.Godwin Austin (k2).

51.The Godwin Austain (k2) peak lies in Karakoram Range.

52.The Tallest pesk in the world is Mt.Everest

53. Mt.Everest is the peak of the Himalyan ranges.

54.Mt.Everest is located in Nepal.

55.Northern India plains are considered to be one of the largest river plain in the world.

56.The Central and Southern plateau of India is surrounded by seas on three sides, so it is called a Peninsula.

57.The Central and Southern plateau of India is known as a ‘Treasury of Minreals’.

58. The coastal plain is famous for Fishing industry.

60.The land which is surrounded by water from all sides is called an Island.

61.The Kutch desert is highly Saline (salt pan).

Q-3 True or False

1. India was divided into many small and large parts at the end of the 6th century. False

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2. Dharanagari means the present day Dhar district of Madhya Pradesh. True

3. Many constructions took place during Chola dynasty in south India . False.

4. Rudradaman I had constructed Kailashnath temple in Kanchi . False

5. The rulers of chola dynasty had powerful naval army.True6. With the passage of time Ajaymeru nagar (city) got recognized

as ‘Ajmer’ . true7. The kings of Chavda dynasty ruled over Delhi during the

Rajput age. False8. Sisodiya Rajputs are the same as Gohils or Guhilots of Mewar .

True9. Govind III of Pratihara had established power kingdom in

Deccan region in the 8th century .False10. There had been Pandya state where there are Madurai and

Thirunelvelli districts in Tamil Nadu at present. True11. The other name of Pandya state is ‘Keral’. False12. Rajputs performed ‘Jauhar’ when they lost the hope to win in

battle .False13. The earth is divided in two parts, east and west, from the

Greenwich line. True14. Day and date change while crossing the International Date

line.True 15. International Date line is a straight line.False16. The earth completes one rotation in 365 days. False17. One longitude takes 1 minute to pass in front of the sun.False 18. Different places on the same longitude have different local

time. False19. Local time of different places in the same country is

different.True20. The sunrise is earlier in eastern countries than the western

countries. True21. The standard time of Sri Lanka and India are same.True 22. The earth rotates from west to east. True23. The east-west width of India is more than its north-south

length.False

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24. Our country is the seventh largest country in the world on the basis of area.True

25. Himalayas is not one mountain, but it is a series of three mountain ranges. True

26. Mt.Everest is located in Nepal.True27. The tallest peak of the Himalayas located in India is Mt

k2.True28. The Tropic of capricon passes through India. False29. The plateau regions of central and south India are called

Treasury of Minerals of India.True.30. There is sea on three sides of India. True.31. The eastern coastal plain of India is narrower than the western

coastal plain. False.32. Andaman and Nicobar islands are located in the Arabian Sea.

False .33. Machilipatnam is located in the eastern coastal plain True.34. The Rann of Kachchh is very sandy. False.

Q-4 Match the following

Section A Section B

1. Mihir Bhoj –Pratihara

2. Bhoj –Parmar

3. Settungvan -Chera

4. Pulkeshi II -Chalukya

5. Narsinhvarma - Pallava

6. Raj Raja I –Chola

7. Prithviraj III -Chauhan

8. Govind III -Rashtrakut

9. North-south length of India- 3214 kms.

10. East-west width of India- 2933 kms.

11. Tallest peak of India- Godwin Austin (k2)

12. Tallest peak of the world- Mt. Everest

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13. Height of Kanchenjunga Peak- 8518 metres.

14. Height of Nanda Devi peak- 7817 meters.

15. Height of Badrinath peak- 7138 meters

16. River originating in Himalaya- Koshi.

17. A famous city in Deccan Plateau – Hyderabad

18. Famous port on the western coast- Kandla

19. Length of Indian sea Coast- 7517 kms.

20. Famous port on the eastern coast- chennai.

Q-5 Question and Answer in one or two sentence

Q1 After the death of which emperor did the feudal lords and chieftains become free ?

A.1 After the death Of Harshvardhan the feudal lords and chieftains became free .

Q2 Who can be called a ‘feudal lord’ ?

A.2 The Person who collected revenue of particular province was called land lord or feudal lord

Q3 Which era can be called the early Medieval age ?

A3. The period between 8th century and 12th century is called the early Medieval age.

Q4 which dynasties arose in India at the end of the 7th century ?

A.4 The end of the 7th century are Gurjar, Pratihara, Pala, arose in north India. The Pallava, Rashtrakuta, Kalyani-Chalukya, Cher, Pandya, Chola Dyansties arose in south India

Q5 In how many and in which separate parts are the states of the ‘Medieval age’ divided ?

A5. The states of the ‘Medieval age’ was divided into 2 parts. 1) North India . 2) South India.

Q6 Who had protected India from invasion of Arabs ?

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A.6 The ruler of Pratihara dynasty protected India from invasion of Arabs.

Q7 Which powerful ruler belonged to the Pratihara dynasty ? By which name is he recognized in history ?

A.7 Mihir Bhoj was powerful ruler belonged to the Pratihara dynasty. He was recognized as Bhoj or Mihir Bhoj.

Q8 Which were the two main Malwa cities during the Parmar dynasty ?

A8 Ujjain and Dharanagari were the two main Malwa cities during the Parmar dynasty.

Q9 Why did king Bhoj establish a university in Dharanagari ?

A9 King Bhoj established a university in Dharanagari because he himself was a good poet and he made Dharanagari as a centre of studies and established a university for the study of sanskrit literature.

Q10 Which were the two well known states during the Rajput age in south India ?

A10 The kingdoms of Pallava and Chola dynasty were the two well known states during the Rajput age in south India .

Q11 Which temple was constructed during the Pallava dynasty ?

A11 The Kailashnath temple at Kanchi was constructed during the Pallava dynasty.

Q12 Which dynasty rulers of south India were lovers of arts and literature ?

A12 The rulers of Pallava dynasty of south India were lovers of arts and literature .

Q13 Give one example of the expert administration of Raj Raja I ?

A13 One example of the expert administration of Raj Raja I that he had started land measurement system and local self Government.

Q14 who established the town of Ajaymeru ? By which name was that town known in later years ?

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A14 King Ajayraj established the town of Ajaymeru . That town was known as Ajmer in later years

Q15 Why did some rulers of south India need to have a strong naval force ?

A15 Some rulers of south India need to have a strong naval force because of which they could attack other countries across the sea.

Q16 On which city did the rulers of the Chauhan dynasty gain victory and established the ruler on it ?

A16 The rulers of the Chauhan dynasty gain victory and established the ruler on Delhi.

Q17 Who has nattered the story of Prithviraj chauhan’s bravery?

In which epic ?

A17.Chand Badrai, a famous poet , has nattered the story of Prithviraj chauhan’s bravery in his epic ‘Prithviraj Raso’.

Q18 What is the meaning of ‘Rashtrakut’ ?

A18 The meaning of ‘Rashtrakut’ means a head of a state or area.

Q19 Which king had established powerful kingdom in the Deccan region in the 8th century?

A19. Govind – III of Rashtrakut had established powerful kingdom in the Deccan region in the 8th century.

Q20 Which state is considered to be very ancient state in south India ?

A20 The state of Pandya dyanasty is considered to be very ancient state in south India.

Q21 Why could the rulers of the chola dynasty invade nations beyond the sea ?

A21. The rulers of the Chola dynasty invaded nations beyond the sea because they had a powerful navy of which they could attack countries even across the sea.

Q22 Which powerful kings existed in the Chera state ?

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A22. Athen- II and Cheran Settungvan were the powerful kings of Chera dynasty.

Q23 Where was the state of Pandya ?

A23. The state of Pandya was in Tamil Nadu in the South India.

Q24 When and why did the Rajput wives (Rajputanis) perform ‘jauhar’ ?

A25 The Rajput wives (Rajputanis) performed ‘Jauhar’ when their husband died in the battle field or arrested as war prisoners. Their wives performed Jauhar.

Q26.What is meant by latitude circle?

A26.The circular line joining the lineat 0o latitude is called latitude circle.

Q27. What is meant by longitude circle?

A27.The circular line joining the latitude is called longitude circle .

28) What is a latitude circle?

A28.The horizontal imaginary lines drawn on the globe in the east-west direction are called latitude circle.

29) What is a longitude?

A29.The vertically imaginary lines drawn on the globe in the north south direction are called longitude.

30) Which part of the earth is called the northern hemisphere and which part is called the southern hemisphere?

A30.The part above 0o equator in the north is called northern hemisphere and the part below 0oequator in the southern hemisphere.

31) Which is the International Date Line?

A31.The180o longitude is known as the International Date Line.

32) How much time does one longitude take to pass completely by the Sun?

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A32. One longitude of earth takes 4 minutes to pass completely by the Sun.

33) What is meant by 0o longitude ? How is it?

A33. 0o longitude is called Prime Meridian .It divides earth into two parts that is Eastern hemisphere and western hemisphere.

34) Which time is considered as the Standard Time of a country?

A34.The local time of a Centrally located of a country is considered as the Standard Time of a country.

35) From the local time of which city is the Standard Time of India decided?

A35.The standard time of India by the time of 82.5 degree longitude which passes from near Allahabad.

36) Through which ocean does the International Date Line pass?

A36.68o east to 97o east longitude the International Date Line pass.

37)Over which ocean does the International date line passes?

A37. The International date line passes over the pacific ocean.

L-7

Q.1 Within which Latitudes and longitudes in India Located?

A. India is located between 8.4o North latitude to 37.6o North latitude and 68.7o East longitude to 97.25o East longitude.

Q2Which country lies on the north-Western boundary of India?

A. Pakistan and Afghanistan lies on the north-Western boundary of India.

Q.3 Which countries on the north-Western boundary of India?

A. Bangladesh and Myanmar on the north-Western boundary of India.

Q.4What is the north-west length and east-west width of India?

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A. The north south length of India is about 3214 km and east west width is 2933 km.

Q.5 What is the total land area of India?

A The total land area of India is about 32,87,263 sq km.

Q.6 What is the India’s rank in the world in terms of area?

A. India is the Seventh largest country in the world in terms of area.

Q.7 What is the geographical shape of India?

A The geographical shape of India is narrow in north , broader in the centre and it becomes narrow again in the south.

Q.8How many states and union Territories are there in India?

A.There are 29 states and 7 union territories..

Q.9 What are the variation in physiography of India?

A.The land form of India is not uniform everywhere India is divided on the basis of variations in the landforms such as Mountains plateaus, Plains, Desert and Islands.

Q.10.How many physiographic divisions are there of India? Which are they?

A.There are 6 physiographic divisions in India they are 1.Northern mountainous region.2.Northan plains.3.Plateau of central and south India.4.Coastal plains.5.Islands/Archipelagos 6.Indian deserts.

Q.11How many divisions is the northern mountainous region divided into? Which are they?

A. The northern mountainous region divided into into 3 divisions They are 1.Himalyan mountain ranges 2.Himalayas 3. Eastern Himalayas or Purvanchal range.

Q12By which names are the Himalayan Ranges Known?

A. The Himalayan Ranges is known as1.The northern most range towards china is Known as the greater Himalaya 2. The central

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range is known as central or lesser Himalayas 3.The third range towards eastern Himalaya is called Shivalik range.

Q13Which is the tallest peak of India? What is its height?

A. Mt.Godwin Austin its height is 8611 mts high it lies in the Karakoram range

Q.14Which is the tallest peak of the world? What is its height?

A. Mt.Everest is located in Himalayan range in Nepal. It’s height is 8848 mts..

Q.15Which is the most prosperous and populated areas of India?

A.The plains of North India is most prosperous and populated areas of India.

Q.16Which rivers emerge from the Himalayas?

A. The rivers that emerge from the Himalayas are Sindhu, Satluj,Ganga,Yamuna,Brahmaputra,Gomti etc.

Q.17Which are the major lakes of India?

A. The major lakes of India are Wular, Dal, Sambhar, Nal, Chilka, etc.

Q.18Why is the plateau of south India called a ‘Peninsula’?

A. The plateau of south India because it is surrounded by water from 3 sides.

Q.19Which are the famous hill stations and important cities of the Deccan Plateau?

A. The famous hill stations of the Deccan Plateau like Ooty, Mahableshwar, Mathern, Panchgani and important cities are Bengaluru, Pune, Hyderabad, Mysore, etc.

Q.20Which are the important ports and largest cities on the western coastal Plains?

A. The important ports and large cities on the western coastal Plains are Chennai, Pondicherry, Machhlipatanam and Vishakhapatnam etc.

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Q.21Which are the important ports and large cities on the western coastal plains?

A. The important ports and large cities on the western coastal plains are Kandla, Mumbai, Manglore, Calicut and Thiruvananthapuram.

Q.22 What is an ‘island’?

A. The land area surrounded by water from all the sides in the sea is called an islands .

Q.23Which islands are a part of India?

A.1.Lakashadweep and Minicoy islands are situated in the Arabian sea towards the west of India.2.Andaman and Nicobar islands are situated in the Bay of Bengal towards the east of India.

Q.24Why is the western coastal plain very fertile?

A. The western coastal plain very fertile is formed of black soil and alluvium so it is very fertile.

Q.25How many parts is the Rann of Kutch divided into? Which are they?

A.The Rann of Kutch is divided into 2 parts. The Greater Rann of Kutch and The Little Rann of Kutch.

Q26Why has the desert in the northern part of Rajasthan become a fertile area?

A. The desert in the northern part of Rajasthan become a fertile area due to the water available for agriculture from Indira Gandhi canal to Satluj river,

Give reasons

1.Population is dense in the northern plain.

OR

The Plains of the north are densely populated because 1.This plain is very vast 2.The soil is very fertile due to the alluvium deposited by the rivers flowing from Himalayas 3.The rivers are perennial.4 So the irrigation also well developed.

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2.The deserts are thinly populated OR There is less population in the deserts.

Because1.The soil is Sandy in the deserts2.Most part of it is dry barren & uninhabited 3.There is very little rain in the desert 4.There is always water shortage and so people suffer about the problem of commodities necessary for routine life.

Q6 Explain the following terminological words:

1. Feudal Lord :

The Person who collected revenue of particular province was called land lord or feudal lord

2. Jauhar :

The Rajput wives (Rajputanis) perform ‘Jauhar’ when their husband died in the battle field or arrested as war prisoners. Their wives performed Jauhar.

Short notes

The Himalayan Mountain Range:

1) They are situated to the north of our country.2)The ranges starts from Jammu and kashmir to the north upto Assam in the east.3) It is the highest mountain range in the world .4) There are three divisions (a)Himalayan mountain range (b) MiddleHimalayas (c) Eastern Himalayas or Purvachal range.5) The northern most range towards China is called Greater Himalayas 6) Mt.Godwin Austin and Mt.Everest are the peaks of Himalayan mountain range.7.Mt.Everest is the highest peak of the World.

2The Northen plains of India:

1.The Plains of north is located in the south of northern mountain range2.It is formed by the alluvium deposited by the Himalayan rivers like Ganga , Yamuna, Brahmaputra, and their tributaries 3. It is considerd to be one of the most fertile plains in the world formed by the rivers.4 It occupies a very large area of north.5. That is why this region is very

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prosperous and densely populated.6.Some large cities situated in this region are Delhi Agra,Kanpur,Lucknow, Varanasi etc.

3. Prime Meridian :

1 )The 0 degree longitude passing through the Greenwich in England is called Greenwich line. 2) It divides the earth into 2 parts east & west the Greenwich line or 0 degree line is also known as prime meridian. 3) The longitudes to the east of Greenwich line are denoted by the letter E while though situated to the west of the Greenwich line by the letter W . 4) It has longitudes extending upto 180 degree on the both eastern and western side.

4. International Date Line :

1.International date line is drawn in a zig-zag manner because it passes through the pacific ocean and separates the calendar dates 2.It is not exactly 180 degree at all places since the line crosses across several time zones . 3.This is because if it is drawn straight, then the line has to passes through many islands. 4.Due to this they might have two days or two dates on the same islands therefore the line when it passes over the land is shifted towards water bodies and so it is not straight but Zig-Zag.