Class 7th Geography Chapter 7

Page No. 49
Question. Where do you find dwelling made of ice? Who makes them and what are they called.?
Answer. Dwelling made of ice are found in the Polar Regions. Eskimo make them and they are called igloos.
Page No. 49
Thing To Do
Question. List the different modes of transport used by the students of your class while coming to school
Answer. Transport used by the students of our class while coming to school :

1. School Bus
2. Car
3. Bicyle

Page No. 52
Let's do
Question. Find out the names of some newspapers and V news channels in English, Hindi and a regional language.
Answers:
English Newspapers

1. The Tribune
2. Hindustan Times
3. Indian Express
4. Hindu
5. Times of India

Hindi Newspapers

1. Dainik Bhaskar
2. Punjab Kesari
3. Jansatta
4. Dainik Jagran
5. Navbharat Times

Regional Newspapers

1. ChardiKalan (Punjabi)
2. Gujarat Samachar
3. Malayala Manorama
4. Mathrubhumi Daily (Malyalam)
5. Asomiya Pratidin (Assamia)

English News Channels

1. BBC
2. NDTV
3. CNBC
4. Headlines Today
5. DD News

Hindi News Channels

1. Star News
2. News 24
3. India TV
4. Aaj Tak
5. Sahara
6. Zee News

Regional News Channels

1. STV Haryana News
2. ETV Gujrati
3. ETV Rajsthani
4. ETC Punjabi
5. Surya (Malyalam)

Exercises : Chapter 7. Human Environment-Settlement, Transport and Communication

Question 1.Answer the following questions briefly:
Q(i).What are the four means of transport? 
Answer.

(i) Roadways
(ii) Railway
(iii) Waterways
(iv) Airways

Q(ii).What do you understand by the term 'settlement''?
Answer. Settlements are places where people built their homes.

Q(iii). Which are activities practised by the rural?
Answer.Activities practised by the rural are : hunting, gathering, shifting cultivation, transhumance (Seasonal Migration).

Q(iv). Mention any two merits of railwawys.
Answer. (i) Railways carry people overlong distances quickly and cheaply.
(ii) They also carry heavy goods a raw material in bulk, transported from mines to industrial areas and from there to the market or ports.

Q(v). What do you understand by communication
Answer. communication is the process of conveying messages to others. 

Q(vi). What is mass media?
Answer. The moodes of communication through which we can communicate with a large number of people, like newspaper, radio and television, are called mass media.

Question 2.Tick the correct answer:
Q(i)Which is not a means of communication?
(a Telephone. (b) Books. (c) Table.
Answer:(c) Table.

Q(ii). Which type of road is constructed under the ground?
(a) Flyover. (b) Expressways. (c) Subways.
Answer: (c) Subways. 

Q(iii). Which mode of transport is most suitable to reach an island?
(a) Ship. (b) Train. (c) Car.
Answer: (a) Ship.

Q(iv ). Which vehicle does not pollute the environment?
(a) Cycle. (b) Bus. (c) Airplane.
Answer:(a) Cycle. 

Question 3.Match the following:

1	Internet	(a)	Areas where people are engaged in manufacturing,Trade and survices
2	Canal route	(b)	Closely built area of houses
3	Urban areas	(c)	Inland waterway.
4	Compact settlement	(d)	A means of communication

Answer:

1	Internet	(d)	A means of communication
2	Canal route	(c)	Inland waterway.
3	Urban areas	(a)	Areas where people are engaged in manufacturing,Trade and survices
4	Compact settlement	(b)	Closely built area of houses

Question 4. Give resons.
Q(i)Today's world is shrinking?
Answer.Because the various modes of communication provide us worldwide information and interaction.

Question 5.For fun.
Q(i) Conduct a survey in your locality and find out how people commute to their respective workplaces using 
(i) more than the two modes of transport,
(ii)more than the hree modes of transport
(iii) stays within walking distance.

1. Answer:

Class 7th Geography Chapter 10

Question 1. Scientists have actually found skeletons of fish in Sahara desert. What could have happened?
Answer. Earlier Shara must have been a green and fertile region. But excessive and intensive use of land for cultivation, large-scale deforestation, excessive pollution of land, air, and water, and soil erosion could have led to the conversion of land into a desert. Gradually the green flourishing region must have converted into yellow barren land.

Exercises
Class VII (7th) Geography -Chapter 10. Life in the Deserts 

Question 1. Answer the following questions:
Q(i). What are the two types of deserts found in the world? 
Answer. (i) Hot desert and (ii) Cold desert.

Q(ii). In Which continent is the Shara desert located?
Answer. Africa.

Q(iii). What are the climatic conditions of the Ladakh desert?
Answer. The climatic conditions of the Ladakh desert are cold and dry.

Q(iv). What mainly attracts tourists to Ladakh?
Answer. (i) Gompas, (ii) meadows and glaciers and (iii) ceremonies and festivities to local people.

Q(v). What type of clothes the people of the Sahara desert wear?
Answer. People of the Sahara desert wear heavy robes as protection against dust storms and hot winds.

Q(v). Name the three that grow in Ladakh?
Answer. Willows, poplars, apples, apricots and walnuts. 


Question 2. Tick the correct answer:
Q(i) Sahara is located in which part of Africa:
(a Eastern. (b) Northern. (c) Western.
Answer:  (b) Northern.

Q(ii) Sahara is what type of desert:
(a) Cold. (b) Hot. (c) Mild.
Answer: (b) Hot.

Q(iii) The ladakh desert is mainly inhabited by:
(a) Christians and Muslims. (b) Buddhists and Muslims. (c) Christians and Buddhists.
Answer: (b) Buddhists and Muslims. 

Q(iv ) Desert are characterized by:
(a) Scanty vegetation. (b) Heavy precipitation. (c) Low evaporation.
Answer: (a) Scanty vegetation.

Q(v ) Hemis in the Ladakh is a famous:
(a) Temple. (b) Church. (c) Monastery.
Answer: (c) Monastery.

Q(v ) Egypt is famous for growing:
(a) Wheat. (b) Maize. (c) Cotton.
Answer: (c) Cotton.


Question 3. Match the following:

1	Oasis	(a)	Libya
2	Bedouins	(b)	Monastery
3	Oil	(c)	Glacier
4	Gangri	(d)	Depressions with water
5	Lamayuru	(e)	Sahara

Answer:

1	Oasis	(d)	Depressions with water
2	Bedouins	(e)	Sahara
3	Oil	(a)	Libya
4	Gangri	(c)	Glacier
5	Lamayuru	(b)	Monastery

Question 4. Give reasons:
Q(i). There is Scanty vegetation in the deserts?
Answer. Because of extreme harsh temperatures and little rain fall.

Q(ii). People of the Sahara deserts wear heavy robes.
Answer. To protect themselves from the dust storms and hot winds.

Question 5. Map :
Q(i). On the out line map of Africa, mark the Sahara desert.
Answer:

Q(ii). On the out line map of India mark the Karakoram range, Ladhak and Zoji La pass.
Answer:

Additional Question.

Q(i). Write the features of the desert areas of the world?
Answer. (i) Low rainfall, (ii) Scanty vegetation and (iii) Extreme temperatures.

Q(ii). Hoe deserts can be classified on the basis of temperature?
Answer: (i) Hot desert and (ii) Cold desert.

Q(iii). Name the largest desert of the world. Also mention its area?
Answer: Sahara the largest desert of the world. It has and area of around 8.54 million square kilometers.

Q(iv). Which type of vegetation is found in the Sahara desert?
Answer: Vegetation in the Sahara desert includes cactus, date palms and acacia.

Q(v). Give an example of a cold desert.
Answer: Ladakh.

Class 7th Geography Chapter 5

Question 1.Answer the following questions.
Q(i).What is precipitation? 
Answer. Precipitation in the deposition of moisture from the atmosphere onto the earth's surface.This may be in form of rain,hail,frost,fog,sleet or snow. 

Q(ii).What is water cycle?
Answer..The process by which water continually changes its form and circulates between oceans, atmosphere and land is known as the water cycle.



Q(iii).What are the factors affecting the height of the weaves?
Answer.
(a) High speed of wind
(b)Earthquake
(c) Volcanic Eruption
(d) Underwater Landslides.

Q(iv).Which factors affect the movement of ocean water?
Answer. (a) Temperature and (b) Rotation of the earth.

Q(v) What art tides and how are they caused?Name three types of rainfall?
Answer. The rhythmic rise and fall of ocean water twice a day is called a tide. Tides are caused due to the gravitational pull exerted by the sun and the moon on the earth's surface.

Q(vi). What are ocean currents?
Answer. Ocean currents are streams of water flowing constantly on the ocean surface in definite directions.

Question 2.Give resons.
Q(i) Ocean water is salty?
Answer.Because it contains large amounts of dissolved salts.

Q(ii).The quality of water is deterioting?
Answer:
The quality of water is deterioting because:
1. Garbage we throw in the river.
2. Chemicals from industries and polluted water.
3. Remains of the harmful nsecticides and pest resistants flowing in from the fields.
4.Unburnt or half burnt corpses of men and animals thrown in water bodies.

Question 3.Tick the correct answer:
Q(i)The process by Which water continually changes its form and circulates between oceans,atmosphere and land.
(a) water cycle. (b)Tides. (c)Ocean currents.
Answer:(a) water cycle. 

Q(ii) Genrally the warm ocean currents originate near.
(a) Poles. (b)Equator. (c)None of these.
Answer: (b) Equator. 

Q(iii)Thye rhythmic rise and fall of ocean water twice a day is called
(a) Tide. (b) Ocean currents. (c) Weave.
Answer:(a) Tide.

Question 4. Match the following:

1	Caspian Sea.	(a)	Perodic rise and fall of water.
2	Tide.	(b)	Largest lake.
3	Tsunami.	(c)	Streams of water moving in definite paths.
4	Ocean currents.	(d)	Strong seismic waves.

Answer.

1	Caspian Sea.	(b)	Largest lake.
2	Tide.	(a)	Perodic rise and fall of water.
3	Tsunami.	(a)	Strong seismic waves.
4	Ocean currents.	(d)	Streams of water moving in definite paths

Question 5. For fun
Be a detective
Q(i) The name of one river is hidden in each of the sentences below.Spot it.

Example: Mandra,Vijayalakshmi and Surinder are my best friends.
Answer. Ravi.
(a) The snake charmer's bustee, stables where horses are housed,and piles of wood, all caught five accidentally.
(Hint:Another name for river Brahmaputra)
Answer. Teesta.

(b) The conference manager put pad,material for reading and a pencil for each participant:  
(Hint: A distributary on the Ganga-Brahmputra delta? )
Answer. Padma.

(c) Either jealousy or anger cause a person's fall.
(Hint: Name of juicy fruit?
Answer. Orange.

(d) Bhavani germinated the seeds in a pot. (Hint:Look for her in West Africa)
Answer. Niger.

(e) ''I am a zonai champion now," declared the excited athletic.
(Hint: The river that has the bigesst basin in the worald)
Answer. Amazon.

(f) The tiffin box,rolled down and all the food fell in dusty potholes. 
(Hint: Rise in India & journeys through Pakisthan)
Answer. Indus.

(g) Malini leaned against the pole when she felt that she was going to faint  
(Hint:Her delta in Egypt is famous)
Answer. Nile.

(h) Samantha mesmerized everybody with her magic tricks.
(Hint:London is situated on her estuary)
Answer. Thames.

(i) "In this neighborhood, please don't yell! Owners of these houses like to have peace, "warned my father when we moved into our new flat.
(Hint : colour !)

Answer. Yellow.

(j) 'Wrie the following words.Marc! "On," "go,'', "in".... said the teacher to the little boy in KG Class. 
(Hint : Rhymes with 'bongo.)
Answer. Congo.