Important notes:India Size and Location:Geography Class 9

Important question and answers and notes from class 9 geography's first chapter India Size and location

Q1.Which is most important latitude of the country? Give reasons.

Ans:A. The tropic of cancer is the most important latitude of the country.
B. It is situated at 23 ½ N.
C. The tropic of cancer divides the country into two equal parts.
D. It also divides the country into two climatic zones



Q2.Which is most important Longitude of the country? Give reason.

Ans:

A. 82⁰ 30’ E, longitude is the most important longitude of our country.
 B. To avoid confusion and chaos in all activities to be caused by having a different local time for different places.
 C. The central Meridian 82⁰ 30’ E is taken as the Indian Standard Time. D. It is accepted all over the country for uniformity of time.

Q3.Why countries of the world selected their own Standard Meridians? 

Ans:A. Every country has a Standard Time to avoid confusio n of time.
 B. It is time of its Central or Standard Meridian.
 C. Each Meridian has its own local time which is the sun time or local time of that particular place.
 D. To avoid confusion and chaos in all activities to be caused by having a different local time for different places the central meridia n is selected as Standard Time.
E. Some Countries whose size is very large they have their different time zones

Q4. Why is the difference between the duration of day and night hardly felt at Kaniyakumari but not so in Kashmir?

Ans: A. Kanniyakumari is situated nearer to equator and it lies in equatorial zone.
 B. In equatorial zones the duration of day and night a re almost equal.
 C. Kashmir lies in the subtropical zone. Here the dura tion of day and night is not equal.
 D. So the duration of day and night is more prominent in Kashmir than in Kanniyakumari.

Q5. Explain the major reason for the two hour time diff erence in the local time between Arunachal Pradesh and Gujarat?

Ans:a.India has longitudinal extent of 30⁰ . Due to this, there is a time lag of two hours between the sunrise on the easternmost and the westernmost horizons of India.
B. Due to rotation, the earth takes 4 minutes to rota te through 1⁰ of longitude. The difference in time is one hour for 15⁰ of longitude.
 C. Therefore, for a longitudinal extent of 30⁰ of India, there is a time lag of two hours. When it is 6 a.m. in Arunachal Pradesh, it is still 4 a.m. in Gujarat and Jaisalmer.



Q6:Why is india called a subcontinent ?
Ans:A. India is called a subcontinent because it is a big landmass.
 B. This stands out as a distinct geographical unit fro m the rest of the continent.
 C. It is separated by natural features like mountains and rivers.
D. India is also separated from rest of the continent by the mighty Himalayas.

Q7:How can you say that India had close links with other parts of the world in ancient times?

Ans:A. The various passes across the mountains in the nort h have provided passages to the ancient travelers.
 B. These routes have contributed in the exchange of id eas and commodities since ancient times.
 C. The idea of Upanishads and Ramayana, the stories of Panchtantra, the Indian numeral and the decimal system thus could reach par ts of the world

Q8.Write a short note on the location of India?

Ans:  A. India is a vast country which lies in the northern hemisphere.
 B. The mainland extends between latitudes 8^o 4’ and 37^o 6’N and Longitude 68^o 7’ E and 97^o 25’E.
 C. Tropic of cancer 23^o 30’N divides the country into two parts.

Q9.Write a short note on the size of India

Ans:A. The landmass of India has an area of 3.28 million s q. km. B. India has a land boundary of about 15200 km and len gth of coastline including island is 7516.6 km. C. India is seventh largest country of the world.

Q10:Why is India said to enjoy a strategic position with reference to the International trade route?

Ans: A. The Indian landmass has a central location between the East and the West Asia.
B. India is a southward extension of the Asian Contine nt.
C. The Trans Indian Ocean routes which connect the countries of Europe in the west and the countries of East Asia provide a strategic central location to India.
D. The Deccan Peninsula protrudes into the Indian Ocean thus helping India establish close contact with West Asia, Africa and Europe fro m the western coast and with southeast and east Asia from the eastern coast.
E. The various passes across the mountains in the north have provided passages to the ancient travelers. F. These routes have contributed in the exchange of ideas and commodities since ancient times.

Q11:Why is 82⁰ 30’ E taken as the Indian Standard Time?
Ans: The longitudinal extent of India is 30 degrees. The sun rises in the east and sets in the west. It takes 4 minutes for the sun to move across 1 longitude. Thus the eastern most point of India would be 2 hours ahead of the western most point (30X4=120 minutes), in accordance with the local time. This difference in time might create a lot of confusion in air, rail timings and so many other things. To avoid this confusion a longitude passing through the mid point of 68 degrees 7 minutes (western most longitude) and 97 degrees 25 minutes (eastern most longitude) is taken as the standard prime meridian of India. The time at the standard meridian 82 degrees 30 minutes which passes through Mirzapur in UP is taken as the standard time of India, followed all over the country. 

Q12:What is IST with respect to GMT?
Ans:Each degree of longitude covers 4 minutes.

The  central  Meridian  82^{<small>0</small>}
30’  E.  When  multiplied  by  4  minutes  it  comes  to  330
minutes or 5 hours and 30 minutes.

So IST= GMT+5 1/2
hours. Greenwich Mean Time refers to 0^{<small>0</small>}
 longitudes. 

Q13:Important one Word answers

a.Name the group of islands lying in the Arabian sea

Ans:Lakshadweep Island

b.)What is the easternmost longitude of India
Ans: 7⁰ 25’ E

c)Write down westernmost longitude of India
68⁰ 7’ E
d)Write down the northern most latitude of India?
37⁰ 4’ N
e).Write down the southernmost latitude of India?
Ans:8⁰ 4’ 4
f).Name the southernmost point of India ? Is it visible today?
Ans:A. The Southernmost point of India is Indira point. B. The Indira point is situated in the Great Nicobar g roup of Island in Andaman Nicobar island groups. C. It is not visible today because it was submerged un der the sea in the 2004 Tsunami
g)Which is the southernmost tip of main land of India ?
Ans:KAnyakumari
h)Which is the largest and smallest state of India?
Ans:Largest State:Rajasthan Smallest State:Goa
i).NAme the water body that Separates India from Srilanka
Ans:Palk strait j):