MCQ Questions for Class 7 Science Chapter 16 Water: A Precious Resource
Solving the Water: A Precious Resource Multiple Choice Questions of Class 7 Science Chapter 16 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on Water: A Precious Resource Class 7 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Have a glance at the MCQ of Chapter 16 Science Class 7 and cross-check your answers during preparation.
Question 1.
The ground water bearing layer of the earth which is below the water table is:
(a) water table
(b) sea level
(c) aquifer
(d) none of these
Answer
(c) aquifer
Aquifer is the place where the ground water is stored between layer of hard rock below the water table.
Question 2.
The cause of depletion of water table is:
(a) increasing industries
(b) water table
(c) rain water
(d) none of these
Answer
(a) increasing industries
Increasing industries is the cause of depletion of water table.
Question 3.
Minimum wastage of water is called:
(a) water management
(b) water cycle
(c) sea level
(d) none of these
Answer
(a) water management
Minimum wastage of water is called water management.
Question 4.
The solid parts of the earth’s crust called:
(a) atmosphere
(b) lithosphere
(c) hydrosphere
(d) none of these
Answer
(b) lithosphere
The solid part of earth’s crust called lithosphere.
Question 5.
The gases surrounding the earth is:
(a) hydrosphere
(b) atmosphere
(c) lithosphere
(d) none of these
Answer
(b) atmosphere
The gases surrounding the earth is atmosphere.
Question 6.
Water and forest are:
(a) non-renewable resources
(b) water cycle
(c) renewable resources
(d) none of these
Answer
(c) renewable resources
Water and forest are renewable resources.
Question 7.
Top soil and petroleum are:
(a) non-renewable resources
(b) water cycle
(c) renewable resources
(d) none of these
Answer
(a) non-renewable resources
Top soil and petroleum are non-renewable resources.
Question 8.
The traditional way of collecting water was:
(a) bawaris
(b) well
(c) rivers
(d) none of these
Answer
(a) bawaris
Bawari was the traditional way of collecting water.
Question 9.
People obtain ground water through:
(a) wells
(b) hand pump
(c) both (a) and (c)
(d) none of these
Answer
(c) both (a) and (c)
People obtain ground water through hand pumps and wells.
Question 10.
To minimise the wastage of water is:
(a) wash cloth with machine
(b) wash the floor everyday.
(c) turn off taps while brushing
(d) none of these
Answer
(c) turn off taps while brushing
To minimise the wastage of water is turn off taps while brushing.
Question 11.
The advantages of water harvesting are:
(a) soil and water pollution is reduced
(b) the effects of drought are essential
(c) an improvement of water quality
(d) all of these
Answer
(d) all of these
All of these statements are the advantages of water
Question 12.
In wells, boring and hand pumps water comes from:
(a) sea
(b) rivers
(c) ground water
(d) none of these
Answer
(c) ground water
In wells, boring and hand pumps water comes horn ground water.
Question 13.
Main source of water on earth is:
(a) rain
(b) snow
(c) glaciers
(d) all the above
Answer
(a) rain
Rain is main source of water on earth.
Question 14.
Which of the following helps in raising water table ?
(a) rain water harvesting
(b) making artificial lakes
(c) crop harvesting
(d) none of these
Answer
(a) rain water harvesting
Rain water harvesting helps in raising water table.
Question 15.
What from this source cannot be consumed ?
(a) lake
(b) rain
(c) river
(d) sea
Answer
(d) sea
This source cannot be consumed from sea.
Question 16.
One of these is not a source of surface water:
(a) rain
(b) river
(c) lake
(d) spring
Answer
(c) lake
Spring is not a source of surface water.
Question 17.
Purest form of natural water is:
(a) rainwater
(b) ground water
(c) sea water
(d) spring water
Answer
(a) rainwater
Rain water is the purest form of natural water.
Question 18.
This method does not result in conservation of water:
(a) recycling water
(b) planting more trees
(c) cutting vegetation
(d) using drip irrigation
Answer
(c) cutting vegetation
Cutting vegetation does not conserve plant.
Question 19.
This is level of ground water:
(a) aquifer
(b) water table
(c) sea level
(d) both (a) and (b)
Answer
(b) water table
Level of water is water table.
Question 20.
This method of irrigation can minimise wastage of water:
(a) irrigation by pipes
(b) irrigation by drip
(c) irrigation by channels
(d) none of these
Answer
(b) irrigation by drip
Irrigation by drip can minimise wastage of water.
Question 21.
Seeping of water into the soil is called:
(a) infiltration
(b) irrigation
(c) depletion
(d) replenishing
Answer
(a) infiltration
Seeping of water into the soil is called infiltration.
Question 22.
Which is not responsible for shortage:
(a) rapid growth of industries
(b) increasing population
(c) heavy rainfall
(d) mismanagement of water resources
Answer
(d) mismanagement of water resources
Heavy rainfall is not responsible for shortage.
Question 23.
The total water:
(a) in the lakes and rivers of the world remains constant
(b) under the ground remains constant
(c) in the seas and oceans of the world remains constant
(d) of the world remains constant
Answer
(d) of the world remains constant
The total water of the world remains constant.
Question 24.
The World Water Day is on:
(a) 22nd March
(b) 23rd March
(c) 21st March
(d) 24th March
Answer
(a) 22nd March
The world water day is on 22nd March.
Question 25.
Earth appears blue because:
(a) 81% of the earth’s surface is covered with water
(b) 91% of the earth’s surface is covered with water
(c) 61% of the earth’s surface is covered with water
(d) none of these
Answer
(a) 81% of the earth’s surface is covered with water
Earth appears blue because 81% of the earth’s surface is covered with water.
Question 26.
Snow and ice, is present as ice caps in the form of:
(a) liquid
(b) solid
(c) gas
(d) none of these
Answer
(b) solid
Snow and ice is present in the form of solids.
Question 27.
Water is present in lakes in the form of:
(a) solid
(b) liquid
(c) gas
(d) none of these
Answer
(b) liquid
Water is present in the form of liquid.
Question 28.
The water vapour is present in the air, in the form of:
(a) solid
(b) liquid
(c) gas
(d) none of these
Answer
(c) gas
Water vapour is present in the form of gas.
Match the column A with column B:
Question 1.
| Column-A | Column-B |
| (a) World Water Day | (i) ice, snow |
| (b) Solids | (ii) rivers, oceans |
| (c) Gas | (iii) 22nd March |
| (d) Liquid | (iv) air |
Answer
| Column-A | Column-B |
| (a) World Water Day | (iii) 22nd March |
| (b) Solids | (i) ice, snow |
| (c) Gas | (iv) air |
| (d) Liquid | (ii) rivers, oceans |
Question 2.
| Column-A | Column-B |
| (a) Upper limit | (i) rain water |
| (b) Seeping of water | (ii) water table |
| (c) Purest form | (iii) infiltration |
| (d) Conservation of water | (iv) by planting more trees |
Answer
| Column-A | Column-B |
| (a) Upper limit | (ii) water table |
| (b) Seeping of water | (iii) infiltration |
| (c) Purest form | (i) rain water |
| (d) Conservation of water | (iv) by planting more trees |
State the following statements are True or False:
Question 1.
A technique using broad tubing to water plants directly is drip irrigation.
Answer
False
Question 2.
Overflowing of water tank should be avoided.
Answer
True
Question 3.
Decreasing population is a cause of depletion of water table.
Answer
False
Question 4.
Water harvesting is very important in low rainfall area.
Answer
True
Question 5.
Main source of water on earth is snow.
Answer
False
Question 6.
Purest form of natural water is rain water.
Answer
True
Question 7.
Recycling water is a method of conserve water.
Answer
True
Question 8.
Spring is a source of surface water.
Answer
False
Question 9.
Rapid growth is not responsible for shortage.
Answer
False
Question 10.
Rain are the ultimate source of water.
Answer
True
Question 11.
Water from rivers is the only source for irrigation in the fields.
Answer
False
Question 12.
The fresh water stored in the ground is much more than that present in the rivers and lakes of the world.
Answer
True
Fill in the blanks:
Question 1.
People obtain ground water through …………………. and ………………….
Answer
well and pumps
Question 2.
Three forms of water are …………………. , …………………. and ………………….
Answer
solids, liquid, gas
Question 3.
The water bearing layer of the earth is ………………….
Answer
aquifer
Question 4.
The process of water seepage into the ground is called ………………….
Answer
infiltration
Question 5.
…………………. is the source of water in wells and tube-wells.
Answer
Ground water
Question 6.
Soil and water pollution is reduced by ………………….
Answer
water harvesting
Question 7.
…………………. of the earth’s surface is covered with water.
Answer
81%
Question 8.
…………………. of water is called water management.
Answer
Minimum wastage
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