Water Class 7 Questions and Answers Provided helps you to answer complex Questions too easily. You can use them while preparing for board exams and all of them are given by subject experts. Reading NCERT Solutions for Class 7 Social Science Geography Chapter 5 Water familiarizes you with the kind of questions appearing in the board exams. Students are advised to read these solutions on a regular basis to score well.
Water Class 7 Questions and Answers Geography Chapter 5
Make your learning experience enjoyable by preparing from the quick links available on this page. Use the Class 7 SST Geography Chapter 5 NCERT Solutions and get to know different concepts involved. All the Solutions are covered as per the latest syllabus guidelines. Knowing the NCERT Class 7 Geography Chapter 5 Questions and Answers helps students to attempt the exam with confidence.
Class 7 Geography Chapter 5 NCERT Textbook Questions and Answers
Question 1.
Answer the following questions.
(i) What is precipitation?
(ii) What is water cycle?
(iii) What are the factors affecting the height of the waves?
(iv) Which factors affect the movement of ocean water?
(v) What are tides and how are they caused?
(vi) What are ocean currents?
Answer:
(i) Falling of moisture in the form of rainfall, snow, fog, sleet and hailstone is termed as precipitation.
(ii) The process by which water continually changes its form and circulates between oceans, atmosphere and land is known as water cycle.
(iii) Earthquake, a volcanic eruption, underwater landslides or winds are the factors affecting the height of the waves.
(iv) Gravitational pull of the sun, the earth and the moon, warm and cold currents, temperatures and winds are the factors that affect the movement of ocean water.
(v) The rhythmic rise and fall of ocean water twice in a day is called a tide. The strong gravitational pull exerted by the sun and the moon on the earth’s surface causes the tides.(vi) Streams of water flowing constantly on the ocean surface in definite directions are known as ocean currents.
Question 2.
Give reasons.
(i) Ocean water is salty.
(ii) The quality of water is deteriorating.
Answer:
(i) Ocean water is salty because it contains large amount of dissolved salts.
(ii) The quality of water is deterioting due to water pollution.
Question 3.
Tick the correct answer.
(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
(ii) Generally, the warm ocean currents originate near:
(a) Poles
(b) Equator
(c) None of these
Answer:
(b) Equator
(iii) The rhythmic rise and fall of ocean water twice in a day is called:
(a) Tide
(b) Ocean currents
(c) Wave
Answer:
(a) Tide
Question 4.
Match the following.
| Column I | Column II |
| 1. Caspian Sea | (a) Largest Lake |
| 2. Tide | (b) Perodic rise and fall of water |
| 3. Tsunami | (c) Strong seismic waves |
| 4. Ocean currents | (d) Streams of water moving in definite paths. |
Answer:
1. (a)
2. (b)
3. (c)
4. (d)
Question 5.
For fun.
Be a Detective
(i) The name of one river is hidden in each of the sentences below. Spot it. Example: Mandira, Vijayalakshmi and Surinder are my best friends
Answer:
Ravi
(i) 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)
(ii) The conference manager put pad, material for reading and a pencil for each participant. (Hint: A distributary on the Ganga-Brahmaputra delta)
(iii) Either jealousy or anger cause a person’s fall (Hint: Name of a juicy fruit!)
(iv) Bhavani germinated the seeds in a pot (Hint: Look for her in West Africa)
(v) “I am a zonal champion now” declared the excited athlete. (Hint: The river that has the biggest basin in the world)
(vi) The tiffin box rolled down and all the food fell in dusty potholes. (Hint: Rises in India and journeys through Pakistan)
(vii) Malini leaned against the pole when she felt that she was going to faint. (Hint: Her delta in Egypt is famous)
(viii) Samantha mesmerized everybody with her magic tricks. (Hint: London is situated on her estuary)
(ix) “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!)
(x) “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:
(a) Teesta
(b) Padma
(c) Orange
(d) Niger
(e) Amazon
(f) Indus
(g) Nile
(h) Thames
(i) Yellow
(j) Congo
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