Grade 9 - SST - Geography - Ch1. India Size and Location

CLASS IX
CHAPTER 1
INDIA – SIZE AND LOCATION (formative assessment-1)
Q.1. Write the latitudinal and longitudinal extent of India.

Ans. Latitudinal extent: 8°4Ń to 37°6Ń
Longitudinal extent: 68°7É to 97°25É
Q.2. Which latitude and longitude divides India almost into two equal halves? Ans.
Latitude – Tropic of Cancer, 23°30Ń
Longitude – Indian Standard Meridian, 82°30É
Q.3. Name the island groups situated to the southeast and southwest of the
mainland. Ans. Southeast – Andaman and Nicobar islands
Southwest – Lakshadweep
Q.4. List the dimensions of the following:

Ans. a. Land boundary of India: 15,200 km
b.Length of coastline: 7516.6 km (including the islands)
c.Area of mainland: 3.28 million sq. km.
d.North-south extent: 3214 km
e.East-west extent: 2933 km
Q.5. Name the southern neighbours of India across the sea.

Ans. Sri Lanka and Maldives.
Q.6. Identify the countries constituting the Indian subcontinent.

Ans. 1. India in the center
2.Pakistan in North-west
3.Nepal in the North
4.Bhutan in North-east
5.Bangladesh in east
Q.7. Name the countries that share their land boundaries with India. Ans. 1. Pakistan
2. Afghanistan 3. China 4. Nepal
5. Bhutan 6. Bangladesh 7. Myanmar
Q.8. Why is Indian sub-continent so called?

Ans. India and the adjoining countries are considered to be a sub-continent as it comprises
of all the characteristics of a continent.
Indian sub-continent encompasses vast areas of diverse landmasses. Indian sub-
continent comprises of lofty mountains, fertile plains, desert and plateau.
There is also great vastness and diversities in terms of climate, natural vegetation, wildlife
and other resources.
Also, the vivid characteristics of culture and tradition among the people make it a
subcontinent.
Q.9. “India lies to the North-eastern Hemisphere.” Justify the given statement.
1
Ans. 1. India lies to the east of Prime meridian between the longitudes 68°7É to
97025’E.
2.Also, India lies to the North of equator between the latitudes 8°4Ń to 37°6Ń.
3.Important lines like Tropic of Cancer, 23030Ń and Indian Standard Meridian,
82030’E pass through India.
Hence, all this proves that India lies in the North-eastern hemisphere.
Q.10. How do we calculate the time difference from Arunachal Pradesh to Gujarat?
Ans. Sun rays take 4 minutes to cover one longitude.
From Arunachal Pradesh to Gujarat there are 30 longitudes (68°7É to 97°25É)
Calculation
Time taken by light to cross a longitude = 4 min
Time taken by light to cross 30 longitudes = 4X30= 120 min or 2 hours. Hence, we
can say that the time difference of 2 hours exists from Arunachal Pradesh to Gujarat.
Q.11. Inspite of the time differences, how does India adopt a uniform time?
Ans. India has a uniform time because we have adopted 82030’ longitude passing through
Mirzapur near Allahabad as the standard meridian. Therefore, time along this
meridian is accepted as the standard time for whole country. This is done to avoid
any confusion that may arise due to difference in time as a result of vast longitudinal
extent of India.
Q.12. The central location of India at the head of the Indian Ocean is considered of great
significance. Why?
Ans. 1. The Indian landmass has the central location between the East and the West Asia.
The Trans Indian Ocean routes connect the countries of Europe in the west and the
countries of East Asia.
2.The Deccan Peninsula in the Indian Ocean helps to establish close contacts from
the western coastal plains and the eastern coastal plains.
3.The long coastline of the country in the Indian Ocean gives it an eminent position
which justifies the name of the ocean.
Q.13. How can you say that the land routes of India with other countries are older than her
maritime routes?
Ans. 1. The various passes across the mountains in the north have provided passages to
the travellers when the oceans restricted such an interaction for a long time.
2.These routes have contributed in the exchange of ideas and commodities in the
ancient times like the ideas of the Upnishads, Ramayana, The Indian numerals and
the decimal system.
3.Also, the influence of Greek sculpture, and the architectural styles of domes and
minarets can be seen in the different parts of our country.
Therefore, we can say that the land routes of India with other countries are older
than her maritime routes.
Q.14. Why the difference between the duration of day and night hardly felt at Kanyakumari
but not so in Kashmir?
2
Ans. 1. Due to the vast latitudinal extent of India, the difference between the duration of day
and night is hardly felt at Kanyakumari but not so in Kashmir.
2.The tropic of Cancer divides the country almost into tropical andsub-tropical zone.
3.Since, Kanyakumari lies in the tropical zone, therefore, the duration of day and
night is not so felt and Kashmir lying in the sub-tropical zone, we do experience the
difference of day and night.

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CLASS IX

Q.1. Write the latitudinal and longitudinal extent of India.

Q.4. List the dimensions of the following:

Q.5. Name the southern neighbours of India across the sea.

Q.6. Identify the countries constituting the Indian subcontinent.

Q.8. Why is Indian sub-continent so called?

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