NCERT Solutions Class 7th Geography Social Science Chapter- 5 Water Question & Answer

May 11, 2022

NCERT Solutions Class 7th Geography Social Science Chapter- 5 Water

Textbook	NCERT
Class	7^th
Subject	Geography Social Science
Chapter	Chapter – 5
Chapter Name	Water
Category	Class 7th Social Science Geography
Medium	English
Source	Last Doubt

NCERT Solutions Class 7th Geography Social Science Chapter- 5 Water Question & Answer What is a simple definition of water? What are the 7 main properties of water? Why is it called water?What is water in answer? is the full form of water? What are 10 uses of water? Why water is important? What is the importance of water? Why is water important 10 points? Where is water found? What is the story of water? Who named water? Is water the mother of life? Who is the first water in the world?Who discovered water? Who is the first water man of India? Who purified water first? What is the oldest method of water? How is water purified in India? What did early humans drink? Does water have a Colour?What is main source of water?

NCERT Solutions Class 7th Geography Social Science Chapter – 5 Water

Chapter – 5

Water

Question &Answer

Answer the following questions briefly.

Question. 1. What is precipitation?

Answer- Falling of moisture in the form of rainfall, snow, fog, sleet, and hailstone is termed as precipitation.

Question. 2. What is the water cycle?

Answer- The water cycle is the process by which water continually changes its form and circulates between oceans, atmosphere, and land.

Question. 3. What are the factors affecting the height of the waves?

Answer- Winds, earthquakes, volcanic eruption, or underwater landslides are the factors affecting the height of the waves. The stronger the wind blows, the bigger the wave becomes.

Question. 4. Which factors affect the movement of ocean water?

Answer- Temperature, winds, the gravitational pull of the sun, the earth, and the moon; warm and cold currents are the factors that affect the movement of ocean water.

Question. 5. What are tides and how are they caused?

Answer- Tides are the rhythmic rise and fall of ocean water that occurs twice in a day. The strong gravitational pull exerted by the sun and the moon on the earth’s surface cause the tides.

Question. 6. What are ocean currents?

Answer- Ocean currents are streams of water flowing constantly on the ocean surface in definite directions.

Question. 2. Give reasons:

(a) Ocean water is salty.

Answer- The water of the oceans is salty as it contains a large amount of dissolved salts.

(b) The quality of water is deteriorating.

Answer- Water is being used injudiciously. Whatever potable water is available, its quality is not good. It is because industrial effluents and untreated water of industries get mixed into streams and rivers. Sewerage water also gets mixed into these water bodies. As a result, the quality of water is deteriorating day by day.

Question. 3. Tick the correct answer.

(a) 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

(b) Generally the warm ocean currents originate near

(a) Poles
(b) the Equator
(c) None of these.

Answer: (b) the Equator

(c) The rhythmic rise and fall of ocean water twice in a day is called

(a) Tide
(b) Ocean current
(c) Wave

Answer- (c) Wave

Question. 4. Match the following.

Column A	Column B
(i) Caspian Sea	(a) Largest lake
(ii) Tide	(b) Periodic rise and fall of water
(iii) Tsunami	(c) Strong seismic waves
(iv) Ocean currents	(d) Streams of water moving along definite paths
	(e) Water cycle

Answer-

Column A	Column B
(i) Caspian Sea	(a) Largest lake
(ii) Tide	(b) Periodic rise and fall of water
(iii) Tsunami	(c) Strong seismic waves
(iv) Ocean currents	(d) Streams of water moving along definite paths

Question. 5. For Fun

Be a Detective

1. The name of one river is hidden in each of the sentences below. Spot it. Example: Mandira, Vijayanagar and Surinder are my best friends

Answer- Ravi.

(a) The snake charmer’s bustee, stables where horses are housed, and the piles of wood, all caught fire accidentally. (Hint: Another name for River Brahmaputra)

Answer- Eesta.

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

Answer -Padma.

(c) Either jealousy or anger cause a person’s fall (Hint: Name of a 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 zonal champion now” declared the excited athlete. (Hint: The river that has the biggest basin in the world)

Answer- Amazon.

(f) The tiffin box rolled down and all the food fell in dusty potholes. (Hint: Rises in India and journeys through Pakistan)

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 mesmerised everybody with her magic tricks. (Hint: London is situated on her estuary)

Answer- Thames.

(i) “In this neighbourhood, 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) ‘Write the following words’, Marc! “On”, “go”, “in”……….. said the teacher to the
little boy in KG Class. (Hint: Rhymes with ‘bongo’) Now make some more on your own and ask your classmates to spot the hidden name. You can do this with any name: that of a lake, mountains, trees, fruits, school items, etc.

Answer- Conga.

2. With the help of an atlas, draw each river which you discovered in For fun (0, on
an outline map of the world.

Answer- Do yourself.

NCERT Solution Class 7th Geography All Chapters Question Answer

Chapter – 1 Environment

Chapter – 2 Inside Our Earth

Chapter – 3 Our Changing Earth

Chapter – 4 Air

Chapter – 5 Water

Chapter – 6 Human-Environment Interactions – The Tropical and the Subtropical Region

Chapter – 7 Life in the Deserts

NCERT Solution Class 7th Geography All Chapters Notes

Chapter – 1 Environment

Chapter – 2 Inside Our Earth