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Water: A Precious Resource Class 7 MCQs Questions with Answers
Choose the correct option.
Question 1.
Water is found in
(a) solid form
(b) liquid form
(c) gaseous form
(d) all of these
Answer
Answer: (d) all of these
Question 2.
Water day is celebrated on
(a) 21st March
(b) 23rd March
(c) 22nd March
(d) None of the above
Answer
Answer: (c) 22nd March
Question 3.
Our body contains ………… % portion of water.
(a) 75
(b) 65
(c) 95
(d) 85
Answer
Answer: (a) 75
Question 4.
Which one of the following is the cause of the depletion of water table?
(a) Increasing population
(b) Agricultural activities
(c) Increasing industries
(d) All of these
Answer
Answer: (d) All of these
Question 5.
…………. represents the solid form of water.
(a) water vapour
(b) snow
(c) lake water
(d) well water
Answer
Answer: (b) snow
Question 6.
The process of seeping of water into the ground is called
(a) aquifer
(b) infiltration
(c) water cycle
(d) all of these
Answer
Answer: (b) infiltration
Question 7.
The water below the ground is known as
(a) groundwater
(b) pure water
(c) polluted water
(d) none of these
Answer
Answer: (a) groundwater
Question 8.
The large well like structure which is used in olden times for rainwater harvesting is called
(a) well
(b) bawris
(c) johad
(d) check-dams
Answer
Answer: (b) bawris
Question 9.
Which of the following doesn’t show water shortage?
(a) Taps running dry
(b) Long queues for getting water
(c) Marches and protests for demand of water
(d) Three buckets of water per person per day
Answer
Answer: (d) Three buckets of water per person per day
Question 10.
‘Every drop counts’ is a slogan related to
(a) counting of drops of any liquid
(b) counting water drops
(c) importance of water
(d) importance of counting
Answer
Answer: (c) importance of water
Question 11.
Rainwater harvesting is one of the ways to conserve
(a) fresh water
(b) sea water
(c) potable water
(d) rainwater
Answer
Answer: (d) rainwater
Question 12.
How many forms of water are there?
(a) Only one
(b) Only two
(c) Only three
(d) None of those
Answer
Answer: (c) Only three
Question 13.
Water is found in
(a) solid form
(b) liquid form
(c) gaseous Form
(d) in all the above forms
Answer
Answer: (d) in all the above forms
Question 14.
Water on the earth has been maintained due to
(a) groundwater
(b) oceans
(c) rivers
(d) water cycle
Answer
Answer: (d) water cycle
Question 15.
The upper limit of the layer of the earth in which water is found is called
(a) infiltration
(b) aquifer
(c) water table
(d) groundwater
Answer
Answer: (c) water table
Question 16.
Water from which of the following sources is clean and safe to drink?
(a) Groundwater
(b) Lake water
(c) River water
(d) Ocean water
Answer
Answer: (a) Groundwater
Question 17.
Which one of the following is responsible for water shortage?
(a) Drip irrigation
(b) Over-population
(c) Heavy rainfall
(d) Infiltration
Answer
Answer: (b) Over-population
Question 18.
Which one of the following is not a technique to conserve water?
(a) Rainwater harvesting
(b) Bawris
(c) Drip irrigation
(d) Evaporation
Answer
Answer: (d) Evaporation
Question 19.
International year of freshwater is
(a) 2002
(b) 2003
(c) 2004
(d) 2005
Answer
Answer: (b) 2003
Question 20.
The water bearing layer of the earth is called
(a) conifer
(b) hydrosphere
(c) aquifer
(d) water table
Answer
Answer: (c) aquifer
Fill In the Blanks
Question 1.
The groundwater stored between layers of hard rocks below the water table is known as an ……………..
Answer
Answer: aquifer
Question 2.
…………….. is the purest form of water.
Answer
Answer: Rainwater
Question 3.
The water which is fit for human use is called ……………..
Answer
Answer: freshwater
Question 4.
In India …………….. was the traditional way of collecting water.
Answer
Answer: bawris
Question 5.
…………….. % of earth’s surface is covered with water.
Answer
Answer: 71
Question 6.
…………….. is the process which maintains the amount of water on the earth.
Answer
Answer: Water cycle
Question 7.
The water found below the water table is called ……………..
Answer
Answer: groundwater
Question 8.
The water which is fit for drinking is called …………….. water.
Answer
Answer: potable
Question 9.
Sea and ocean water is not fit for drinking because they are ……………..
Answer
Answer: saline
Question 10.
Only …………….. % of water on earth is available for use by humans.
Answer
Answer: 0.006
Question 11.
Clouds release the water through the process of ………………….
Answer
Answer: precipitation
Question 12.
Excessive rains may cause ………………….
Answer
Answer: floods
Question 13.
No rainfall for a year or more may lead to …………………. in that region.
Answer
Answer: drought
Question 14.
The process of changing water vapour into water is called ………………….
Answer
Answer: condensation
Question 15.
The process of water seepage into the ground is called ………………….
Answer
Answer: infiltration
Question 16.
The water bearing layer of the earth is called ………………….
Answer
Answer: aquifer
Question 17.
Water that is fit for human consumption is called ………………….
Answer
Answer: freshwater
Question 18.
The process of changing of water into its vapour is called ………………….
Answer
Answer: evaporation
True or False
Question 1.
Ice is liquid form of water.
Answer
Answer: False
Question 2.
Water is not essential for all living beings.
Answer
Answer: False
Question 3.
Water exists in its gaseous form as water vapour above 100°C only.
Answer
Answer: False
Question 4.
Rainwater harvesting is one of the ways to conserve water.
Answer
Answer: True
Question 5.
The minimum amount of water recommended by UN per person per day is 20 L.
Answer
Answer: False
Question 6.
Groundwater will not be depleted due to afforestation.
Answer
Answer: True
Question 7.
March 26 is celebrated as World water day.
Answer
Answer: False
Question 8.
The water bearing layer of the earth is called hydrosphere.
Answer
Answer: False
Question 9.
Year 2003 was observed as International Year of Freshwater.
Answer
Answer: True
Question 10.
Water present on the surface of the earth is called surface water.
Answer
Answer: True
Question 11.
As a solid, water exists as ice-caps at the poles.
Answer
Answer: True
Question 12.
The water found above the water table is called ground water.
Answer
Answer: False
Question 13.
Sometimes, ground water accumulates between layers of hard rocks. This is known as an aquifer.
Answer
Answer: True
Question 14.
Plants use ground water and release it in the form of water vapour during transpiration.
Answer
Answer: True
Question 15.
Water table is constant at every place on the earth.
Answer
Answer: False
Question 16.
All animals and plants contain large amount of water.
Answer
Answer: True
Question 17.
The three states of water are interchangeable.
Answer
Answer: True
Question 18.
In nature, water exists only as liquid water.
Answer
Answer: False
Match the Following
| Column I | Column II |
| 1. Rainwater harvesting | (a) Topmost level of groundwater |
| 2. Freshwater | (b) Technique of watering plant |
| 3. Water table | (c) Water vapour |
| 4. Drip irrigation | (d) Recharge groundwater |
| 5. Solid form of water | (e) Traditional way of collecting water |
| 6. Aquifer | (f) Maintains amount of water in atmosphere |
| 7. Our body contains | (g) Ice cubes |
| 8. Bawris | (h) Water fit for use |
| 9. Water cycle | (i) 75% of water |
| 10. Gaseous form of water | (j) Water between hard rocks |
Answer
Answer:
| Column I | Column II |
| 1. Rainwater harvesting | (d) Recharge groundwater |
| 2. Freshwater | (h) Water fit for use |
| 3. Water table | (a) Topmost level of groundwater |
| 4. Drip irrigation | (b) Technique of watering plant |
| 5. Solid form of water | (g) Ice cubes |
| 6. Aquifer | (j) Water between hard rocks |
| 7. Our body contains | (i) 75% of water |
| 8. Bawris | (e) Traditional way of collecting water |
| 9. Water cycle | (f) Maintains amount of water in atmosphere |
| 10. Gaseous form of water | (c) Water vapour |
| Column A | Column B |
| 1. Drip irrigation | (a) Surface water |
| 2. Rainwater harvesting | (b) Technique of watering plants |
| 3. Infiltration | (c) Using rainwater for recharging water table |
| 4. Water present on the surface of the earth | (d) Seeping of water into the ground |
| 5. Aquifer | (e) Water bearing layer of |
Answer
Answer:
| Column A | Column B |
| 1. Drip irrigation | (b) Technique of watering plants |
| 2. Rainwater harvesting | (c) Using rainwater for recharging water table |
| 3. Infiltration | (d) Seeping of water into the ground |
| 4. Water present on the surface of the earth | (a) Surface water |
| 5. Aquifer | (e) Water bearing layer of |
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