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-AColumn-B
(a) World Water Day(i) ice, snow
(b) Solids(ii) rivers, oceans
(c) Gas(iii) 22nd March
(d) Liquid(iv) air
Answer
Column-AColumn-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-AColumn-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-AColumn-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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