NCERT Class 7 Geography Chapter 5 Water Extra Questions and Answers
Class 7 Geography Chapter 5 Extra Questions and Answers – Water. Here in this Page Class VII Students can Learn Extra Questions & Answer 5th Chapter Geography fully Inside.
We Provided Here Water Geography Chapter 5 Long Answer Type Question, MCQ Questions & Answer, Short Answer Type Questions (2 or 3 marks), and Very Short answer Type Question (1 marks).
Class 7 Geography Chapter 5 Extra Question with Answer – Water
Geography Chapter 5 Water Class 7 Inside 5 Marks, 3 marks, 2 Marks & And 1 Marks Important Questions and Answers.
MCQ Type Extra Questions
(1) The process by which water continually its form and circulates between oceans atmosphere and land called circulates between oceans, atmosphere and land is called
(a) Water cycle
(b) Life Cycle
(c) Ocean movements
(d) Water circulation
Ans:- (a) Water cycle
(2) Which of these is a warm current ?
(a) Labrador current
(b) Kuro Shio
(c) Californian current
(d) Bengula current
Ans:- (b) Kuro Shio
(3) the sea with highest salinity
(a) Aral sea
(b) Dead sea
(c) Caspain sea
(d) Arabian sea
Ans:- (b) Dead sea
(4) Whem is world water day celebrated
(a) 22nd March
(b) 23rd March
(c) 22nd May
(d) 23rd May
Ans:- (1) 22nd March
(5) The rhythmic rise fall of ocean water twice in a day is called
(a) Ocean Rhythym
(b) Waves
(c) Currents
(d) Tides
Ans:- (d) Tides
(6) Which part of India submerged fully in Tsunami of 2004 ?
(a) Malabar Coast
(b) Indira Point
(c) Colombo
(d) Nairobi
Ans:- (b) Indira Point
(7) What is the chemical name of common salt ?
(a) Sodium Chloride
(b) Calcium Carbonate
(c) Sodium hydroxide
(d) Sodium bicarbonate
Ans:- (a) Sodium Chloride
(8) When is Water Day celebrated ?
(a) 22 January
(b) 22 February
(c) 22 March
(d) 22 April
Ans:- (d) 22 April
(9) In December, 2004 Tsunami caused destruction in _______
(i) Rajasthan
(ii) Tamil Nadu
(iii) Madhya Pradesh
(iv) Meghalaya
Ans – (ii) Tamil Nadu
Very short Answer Type Extra Questions
(1) What is meant by of ocean ?
Solution:
Salinity is the amount of salt grams present in 1000 grams of water.
(2) What is a Tsunami ?
Solution:
An earthquake, a volcanic eruption or underwater landslides can shift large amounts of ocean water. As a result huge tidal wave called tsunami is formed.
(3) What are waves and how are they formed ?
Solution:
Waves are formed winds scrape across the ocean surface. The stronger the wind blows, the bigger wave becomes.
(4) Differentiate between warm and cold ocean currents
Solution:
The warm ocean currents near the equator and brings about warm temperature over land surface. The cold currents carry water from polar latitudes and bring about foggy weather when it carries colder waters to warmer religions.
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(5) List out the various sources of fresh water.
Solution:
Ice-caps, ground water, atmosphere moisture, Rivers are the sources of fresh water.
(6) What type of water do the seas and oceans have?
Solution:
Saline water.
(7) What was the lowest point of India until Tsunami 2004 ?
Solution:
Indira Points lowest point of India until Tsunami 2004
(8) What is the amount of salinity in the Dead Sea?
Solution:
340 grams per litre of water.
(9) What part of Earth’s surface is water ?
Solution:
74% of earth’s surface is water
(10) What are the major sources of fresh water in the earth?
Solution:
rivers, lakes, ponds, springs and glaciers.
(11) Where is the dead sea located ?
Solution:
The dead Sea is located is Israel
(12) What is first indication of Tsunami
Solution:
The first indication of Tsunami is the rapid rise or fall of water along the coastal region.
Short Answer Type Extra Questions
(1) Why has rich ground developed in place where warm and cold ocean currents meet ?
Solution:
It is because in place where warm and cold current meet. Tiny organisms called planktons are found in ambulance abundance which are an excellent source of food for fish , hence regions are rich fishing ground. Ex. Newfoundland coast where the Gulf stream and the Labrador current meet.
(2) How do ocean current influence the climate of the coastal regions?
Solution:
1.warm ocean raise the temperature of the coast along which they flow while cold ocean current lower the temperature. 2. Winds blowing over warm currents are moist and bring rainfall to the coastal region while wind blowing over cold current are dry and cool thus hardly vary any moisture. 3. In the places where warm and cold current meet dense fog is produced which reduce visibility and can cause accidents.
(2) Why is the gravitational pull the Moon on earth is stronger than that of the sun ?
Solution:
The gravitational pull depends upon mass and distance although Sun has more mass than Moon but the distance between Sun Earth much more as compared to the distance between Moon and earth thus the gravitational pull of moon is more compared to the Sun.
(3) Which lake is the largest lake of the world ?
Solution:
Caspian Sea is the largest of the world.
(4) When is World Water observed ?
Solution:
World Water Day observed on 22 March every year.
(5) What are the major sources or fresh water in the world ?
Solution:
He major sources of fresh water in the are ponds, lake, glaciers and rivers.
Long Answer Type Extra Questions
Source: Diksha
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