-
question_answer1)
When is world water day celebrated?
A)
24th March done
clear
B)
28th February done
clear
C)
22nd March done
clear
D)
1st March done
clear
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question_answer2)
Water exists in
A)
5 forms done
clear
B)
3 forms done
clear
C)
no form done
clear
D)
2 form done
clear
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question_answer3)
The process of seeping water into the ground is called _________:
A)
aquifer done
clear
B)
infiltration done
clear
C)
Bawri done
clear
D)
water table done
clear
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question_answer4)
The process of recharging ground water using rain water is called
A)
drip irrigation done
clear
B)
water harvesting done
clear
C)
Bawri done
clear
D)
Infiltration done
clear
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question_answer5)
Which of the following will allow water to see \[\text{ }\!\!\rho\!\!\text{ }\] in easily?
A)
marble floor done
clear
B)
cement floor done
clear
C)
grass lawn done
clear
D)
pucca floor done
clear
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question_answer6)
Depletion of water table is due to
A)
scanty rainfall done
clear
B)
increase in population done
clear
C)
industrial activities done
clear
D)
All of the above done
clear
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question_answer7)
The process of groundwater getting stored between the layers of hard rock below the water table is known as ________.
A)
infiltration done
clear
B)
Aquifer done
clear
C)
water table done
clear
D)
Bawri done
clear
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question_answer8)
To save runaway water we should
A)
Raise embankments done
clear
B)
raise dams done
clear
C)
dig walls done
clear
D)
none of these done
clear
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question_answer9)
Only _______ % of water on earth is available for our use.
A)
5% done
clear
B)
20% done
clear
C)
1% done
clear
D)
30% done
clear
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question_answer10)
Upper limit of groundwater is called__________.
A)
water table done
clear
B)
aquifer done
clear
C)
freshwater done
clear
D)
soil water done
clear
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question_answer11)
Out of the following, select those that would help to reduce water pollution. (i) use of sewers for removal of urban waste (ii) use of unleaded petrol in cars (iii) spraying of pesticides on plants (iv) We should not excreate in open.
A)
(i) and (ii) done
clear
B)
(iii) and (iv) done
clear
C)
(i) and (iv) done
clear
D)
All of these done
clear
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question_answer12)
Select the one that is incorrect for vermin processing toilet.
A)
It is a new method arid has been recently tested in India. done
clear
B)
It is a novel, low water use toilet that is safe for processing of human waste done
clear
C)
In it the human excreta is treated by round worms and cockroaches done
clear
D)
In if the human excreta is completely converted to vermi-cakes done
clear
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question_answer13)
The international decade for action on "water for life" by United Nations General Assembly was declared on
A)
Jan, 26 done
clear
B)
March, 22 done
clear
C)
April, 14 done
clear
D)
None of these done
clear
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question_answer14)
Sewage refers to waste water that is released by
A)
homes done
clear
B)
industries done
clear
C)
offices done
clear
D)
All of these done
clear
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question_answer15)
Select the disease that is not caused by improper disposal of sewage.
A)
Cholera done
clear
B)
Typhoid done
clear
C)
Heart attack done
clear
D)
Jaundice done
clear
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question_answer16)
In a waste water treatment plant, after passing the waste water through a grit and sand removal tank, the water is allowed to settle in a large tank. The solids that settle at the bottom of large tank and called
A)
sewage done
clear
B)
sullage done
clear
C)
sludge done
clear
D)
activated sludge done
clear
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question_answer17)
Which plant is suggested for purification of sewage pond water?
A)
waste water plant done
clear
B)
Eucalyptus plant done
clear
C)
urena plant done
clear
D)
None of these done
clear
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question_answer18)
Which of the following group is against the plantation of Eucalyptus trees?
A)
Paper manufacturers done
clear
B)
Wild life protection group done
clear
C)
Environmentalists done
clear
D)
Matches manufacturers done
clear
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question_answer19)
Sewage treatment
A)
is a process of waste water treatment. done
clear
B)
refers to waste water that is released by homes, industries, hospitals etc. done
clear
C)
refers to the rain water that run down the streets during heavy rains. done
clear
D)
All the above done
clear
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question_answer20)
The impurities present in sewage may consist of
A)
organic substances done
clear
B)
inorganic substances done
clear
C)
Nutrients done
clear
D)
All of these done
clear
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question_answer21)
Select those which are organic substances present in waste water.
A)
pesticides done
clear
B)
herbicides done
clear
C)
fruit and vegetable waste done
clear
D)
All of these done
clear
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question_answer22)
Treatment plants
A)
reduce pollutants in waste water to a level where nature can take care of it. done
clear
B)
makes the waste water free of all pollutants done
clear
C)
Both the above are correct done
clear
D)
None of these is correct. done
clear
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question_answer23)
The sludge waste originates from
A)
kitchen done
clear
B)
toilets done
clear
C)
industrial organizations done
clear
D)
commercial organizations done
clear
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question_answer24)
In the treatment of waste water, following steps are involved. (i) Aeration (ii) filtration (iii) Chlorination The correct order of these steps is
A)
(i), (iii), (ii) done
clear
B)
(iii), (ii), (i) done
clear
C)
(i), (ii), (iii) done
clear
D)
(ii), (iii) (i) done
clear
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question_answer25)
When waste water is passed through bar screens in WWTP, it removes
A)
plastic packets done
clear
B)
sand done
clear
C)
grit done
clear
D)
All of these done
clear
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question_answer26)
Which of the following are removed by use of skimmer in WWTP?
A)
Oils done
clear
B)
Greases done
clear
C)
Both of these done
clear
D)
None of these done
clear
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question_answer27)
The percentage of water in activated sludge is about
A)
90% done
clear
B)
92% done
clear
C)
95% done
clear
D)
97% done
clear
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question_answer28)
What are the products of waste water treatment system?
A)
sludge done
clear
B)
biogas done
clear
C)
Both of these done
clear
D)
None of these done
clear
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question_answer29)
How many forms of water are available on earth?
A)
1 done
clear
B)
2 done
clear
C)
3 done
clear
D)
4 done
clear
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question_answer30)
The water table of a place
A)
changes from time to time done
clear
B)
changes from place to place done
clear
C)
goes down when rain is less done
clear
D)
All of these done
clear
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question_answer31)
Which of the following help in keeping the balance of fresh water on earth?
A)
WWTP done
clear
B)
Greenhouse effect done
clear
C)
Water cycle done
clear
D)
Transpiration done
clear
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question_answer32)
Which of the following is used as a source of drinking water by us?
A)
Glaciers done
clear
B)
Sea water done
clear
C)
Groundwater done
clear
D)
Rain done
clear
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question_answer33)
Groundwater will not be depleted due to
A)
a forestation done
clear
B)
Deforestation done
clear
C)
Establishing thermal power plants done
clear
D)
Cultivating high yielding crops done
clear
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question_answer34)
Germs and bacteria are destroyed by
A)
chlorination done
clear
B)
Boiling done
clear
C)
Both (a) and (b) done
clear
D)
filtration done
clear
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question_answer35)
Water that is fit for drinking is called
A)
rainwater done
clear
B)
potable water done
clear
C)
water table done
clear
D)
groundwater done
clear
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question_answer36)
Sea water is unfit for drinking because
A)
it contains dissolved salts done
clear
B)
it contains sand done
clear
C)
it contain iodine done
clear
D)
it can not be cleaned done
clear
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question_answer37)
he water that seeps into the ground during rainfall and is available as underground water resource is called _____
A)
rainwater done
clear
B)
river water done
clear
C)
groundwater done
clear
D)
aquifer done
clear
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question_answer38)
Which of the following things should be present in drinking water?
A)
suspended impurities done
clear
B)
dissolved gases like \[{{\text{O}}_{\text{2}}}\And \text{C}{{\text{O}}_{\text{2}}}\] done
clear
C)
germs and bacteria done
clear
D)
All of these done
clear
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question_answer39)
Which of the following is a traditional method of collecting water?
A)
Bawari done
clear
B)
well done
clear
C)
canal done
clear
D)
tank done
clear
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question_answer40)
Which of the following habits should be followed to avoid wastage of water?
A)
turn off taps when not in use done
clear
B)
use bucket and mug instead of pipe done
clear
C)
Mop the floor instead of washing done
clear
D)
All of these done
clear
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question_answer41)
How can we take out water from an acquifer?
A)
By using tube well done
clear
B)
By digging a well done
clear
C)
By hand pump done
clear
D)
Both (a) and (c) done
clear
View Solution play_arrow
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question_answer42)
The upper limit of water under the ground is called _________
A)
ground table done
clear
B)
water table done
clear
C)
acquifer done
clear
D)
None of these done
clear
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question_answer43)
Ground water can be recharged by ________
A)
Infiltration done
clear
B)
rain water flow done
clear
C)
Water table done
clear
D)
aquifers done
clear
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question_answer44)
DIRECTIONS: Match Column I with column Ii and select the correct answers using the code given below the columns.
Column-I | Column-II |
(A) Ground water | (p) Surface water |
(B) Ocean | (q) Aquifers |
(C) Clouds | (r) Rain |
(D) Precipitadon | (s) Dirt and water vapours |
A)
(A) \[\to \] (p),(B) \[\to \] (q),(C) \[\to \] (r),(D) \[\to \] (s) done
clear
B)
(A) \[\to \] (q),(B) \[\to \] (p),(C) \[\to \] (s),(D) \[\to \] (r) done
clear
C)
(A) \[\to \] (r),(B) \[\to \] (s),(C) \[\to \] (p),(D) \[\to \] (q) done
clear
D)
(A) \[\to \] (s),(B) \[\to \] (r),(C) \[\to \] (q),(D) \[\to \] (p) done
clear
View Solution play_arrow
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question_answer45)
DIRECTIONS: Match Column I with column Ii and select the correct answers using the code given below the columns.
Column-I | Column-II |
(A) Solid | (p) Water in oceans |
(B) Liquid | (q) Water in ice caps |
(C) Gas | (r) Water in atmosphere |
(D) Water harvesting | (s) Rain water harvesting |
A)
(A) \[\to \] (p),(B) \[\to \] (q),(C) \[\to \] (r),(D) \[\to \] (s) done
clear
B)
(A) \[\to \] (q),(B) \[\to \] (p),(C) \[\to \] (r),(D) \[\to \] (s) done
clear
C)
(A) \[\to \] (p),(B) \[\to \] (q),(C) \[\to \] (s),(D) \[\to \] (r) done
clear
D)
(A) \[\to \] (q),(B) \[\to \] (p),(C) \[\to \] (s),(D) \[\to \] (r) done
clear
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question_answer46)
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 Water is a scarce commodity. Water shortage has become a matter of concern throughout the world. It is estimated that more than one-third of people in the world could face water scarcity. To attract the attention of everybody towards conserving water. We celebrate water day every year. Though about 71% of the earth's surface is covered with water then why is this water scarcity?
A)
Most of water available on earth is not fit for human consumption. done
clear
B)
The water present in seas is far away from most of the population. done
clear
C)
Rivers get flooded and the water is wasted done
clear
D)
None of the above done
clear
View Solution play_arrow
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question_answer47)
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 Water is a scarce commodity. Water shortage has become a matter of concern throughout the world. It is estimated that more than one-third of people in the world could face water scarcity. To attract the attention of everybody towards conserving water. We celebrate water day every year. Which of the following is fit for use?
A)
Sea water done
clear
B)
Ground water done
clear
C)
Freshwater done
clear
D)
None of these done
clear
View Solution play_arrow
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question_answer48)
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 Water is a scarce commodity. Water shortage has become a matter of concern throughout the world. It is estimated that more than one-third of people in the world could face water scarcity. To attract the attention of everybody towards conserving water. We celebrate water day every year. We celebrate water day on
A)
March, 22 done
clear
B)
April, 8 done
clear
C)
March, 8 done
clear
D)
None of these done
clear
View Solution play_arrow
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question_answer49)
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 When water circulates through the water cycle it can be found in all the three forms i.e. solid, liquid and gas at any given time somewhere on the earth. The continuous cycling of water among the three forms keeps the total amount of water on the earth constant even when the whole world is using it. In the solid form the water is available.
A)
in ice caps at the poles of the earth. done
clear
B)
in snow-covered mountains done
clear
C)
in glaciers done
clear
D)
All of the above done
clear
View Solution play_arrow
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question_answer50)
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 When water circulates through the water cycle it can be found in all the three forms i.e. solid, liquid and gas at any given time somewhere on the earth. The continuous cycling of water among the three forms keeps the total amount of water on the earth constant even when the whole world is using it. The amount of water present in air in the form of water vapor
A)
remains constant at a place throughout the year. done
clear
B)
remains constant at a place depending upon its distance from seas. done
clear
C)
Both the above are correct. done
clear
D)
None of the above is correct. done
clear
View Solution play_arrow
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question_answer51)
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 When water circulates through the water cycle it can be found in all the three forms i.e. solid, liquid and gas at any given time somewhere on the earth. The continuous cycling of water among the three forms keeps the total amount of water on the earth constant even when the whole world is using it. The process by which water from seas goes to the atmospheric air, in water cycle, is called
A)
condensation done
clear
B)
evaporation done
clear
C)
transportation done
clear
D)
transpiration done
clear
View Solution play_arrow
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question_answer52)
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 3 The rain water and water from other sources such as rivers and ponds seeps through the soil and fills the empty spaces and cracks deep below the ground. The ground water thus gets recharged by this process. At places the ground water is stored between the layers of hard rock below the water table. The process of seeping of water into the ground is called
A)
seepage done
clear
B)
infiltration done
clear
C)
ground filtration done
clear
D)
None of these done
clear
View Solution play_arrow
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question_answer53)
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 3 The rain water and water from other sources such as rivers and ponds seeps through the soil and fills the empty spaces and cracks deep below the ground. The ground water thus gets recharged by this process. At places the ground water is stored between the layers of hard rock below the water table. The places where the ground water is stored between layers of hard rock below the water table is known as
A)
spring done
clear
B)
aquifer done
clear
C)
bore well done
clear
D)
None of these done
clear
View Solution play_arrow
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question_answer54)
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 3 The rain water and water from other sources such as rivers and ponds seeps through the soil and fills the empty spaces and cracks deep below the ground. The ground water thus gets recharged by this process. At places the ground water is stored between the layers of hard rock below the water table. Ground water is
A)
water present in seas, rivers etc. done
clear
B)
water found below the water table. done
clear
C)
water that covers about 71% of earth's surface. done
clear
D)
none of these done
clear
View Solution play_arrow
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question_answer55)
DIRECTIONS: The questions in this segment consists of two statements, one labeled as "Assertion A" and the other labeled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): The water fit for human consumption is fresh water. Reason (R): Most of the water on earth's surface is not fit for human consumption.
A)
Both A and R are true and R is the correct explanation of A. done
clear
B)
Both A and R are true but R is not the correct explanation of A. done
clear
C)
A is true but R is false. done
clear
D)
A is false but R is true. done
clear
View Solution play_arrow
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question_answer56)
DIRECTIONS: The questions in this segment consists of two statements, one labeled as "Assertion A" and the other labeled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Water is essential for living beings. Reason (R): Water is known as Elixir of life.
A)
Both A and R are true and R is the correct explanation of A. done
clear
B)
Both A and R are true but R is not the correct explanation of A. done
clear
C)
A is true but R is false. done
clear
D)
A is false but R is true. done
clear
View Solution play_arrow
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question_answer57)
DIRECTIONS: The questions in this segment consists of two statements, one labeled as "Assertion A" and the other labeled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Water cycle maintains total water reserves on earth. Reason (R): Water cycle involves continuous cycling of water into solid, liquid and gaseous forms of water.
A)
Both A and R are true and R is the correct explanation of A. done
clear
B)
Both A and R are true but R is not the correct explanation of A. done
clear
C)
A is true but R is false. done
clear
D)
A is false but R is true. done
clear
View Solution play_arrow
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question_answer58)
DIRECTIONS: The questions in this segment consists of two statements, one labeled as "Assertion A" and the other labeled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Water table at a place does not vary Reason (R): Ground water is recharged by the process of infiltration.
A)
Both A and R are true and R is the correct explanation of A. done
clear
B)
Both A and R are true but R is not the correct explanation of A. done
clear
C)
A is true but R is false. done
clear
D)
A is false but R is true. done
clear
View Solution play_arrow
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question_answer59)
DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) The fresh water stored in ground is much more than that present in rivers and lakes of world. (ii) Fresh water is usually unfit for consumption.
A)
Statement (i) is correct while statement (ii) is incorrect. done
clear
B)
Statement (ii) is correct while statement (i) is incorrect. done
clear
C)
Both statements are correct. done
clear
D)
Both statements are incorrect. done
clear
View Solution play_arrow
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question_answer60)
DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) The problem of water shortage is faced by urban population only (ii) Water shortage is a universal problem.
A)
Statement (i) is correct while statement (ii) is incorrect. done
clear
B)
Statement (ii) is correct while statement (i) is incorrect. done
clear
C)
Both statements are correct. done
clear
D)
Both statements are incorrect. done
clear
View Solution play_arrow
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question_answer61)
DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) The cycling of water among its three forms that keeps total amount of water constant in nature is called water cycle. (ii) Use of rain water for harvesting is called rain water harvesting.
A)
Statement (i) is correct while statement (ii) is incorrect. done
clear
B)
Statement (ii) is correct while statement (i) is incorrect. done
clear
C)
Both statements are correct. done
clear
D)
Both statements are incorrect. done
clear
View Solution play_arrow
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question_answer62)
DIRECTIONS: Carefully observe pictures given below and answer the following questions. The diagram below shows the water cycle.
Which letter represents the process of evaporation?
A)
A done
clear
B)
B done
clear
C)
C done
clear
D)
D done
clear
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question_answer63)
Select the one that is not responsible for water shortage.
A)
Increase in population done
clear
B)
Rapid growth of industries done
clear
C)
Heavy rain fall done
clear
D)
Mismanagement of water resources done
clear
View Solution play_arrow
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question_answer64)
The total water
A)
in lakes and rivers of the world remain constant. done
clear
B)
under the ground remains constant done
clear
C)
in the seas and oceans of the world remains constant. done
clear
D)
of the world remains constant. done
clear
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question_answer65)
The year 2003 AD was recognized as international year of fresh water, so as to
A)
propagate about the natural resource. done
clear
B)
make people aware of this dwindling natural resource. done
clear
C)
create awareness about the availability of water in the world. done
clear
D)
celebrate it as a long festival. done
clear
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question_answer66)
Aquifer
A)
It refers to the place where ground water is stored between the layers of hard rock above water table. done
clear
B)
It refers to the place where ground water is stored between the layers of hard rock below the water table. done
clear
C)
Both the above are correct. done
clear
D)
None of these is correct done
clear
View Solution play_arrow
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question_answer67)
Water table
A)
varies from places to place done
clear
B)
may change even at a given place done
clear
C)
Both the above are correct done
clear
D)
None of these is correct done
clear
View Solution play_arrow
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question_answer68)
Out of the total water present on earth, more than 97% is present in seas and oceans. The water present in seas and oceans is not fit for human consumption. Only fresh water is fit for human consumption. The fraction of water that is available for human use is
A)
3% done
clear
B)
2.1% done
clear
C)
1.14% done
clear
D)
0.006% done
clear
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question_answer69)
Any sample of water that contains more than 2% of dissolved salts, particularly common salt, is called
A)
potable water done
clear
B)
saline water done
clear
C)
distilled water done
clear
D)
decanted water done
clear
View Solution play_arrow
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question_answer70)
The tap water supplied through water distributions system is sweet whereas distilled water is bitter and we cannot drink it, because
A)
sugar has been added to tap water done
clear
B)
tap water contains dissolved gases and salts in it done
clear
C)
Chemical treatment of tap water done
clear
D)
None of the above is correct. done
clear
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question_answer71)
It is a source by which ground water is recharged it is
A)
aquifer done
clear
B)
infiltration done
clear
C)
condensation done
clear
D)
None of these done
clear
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question_answer72)
It is a technique of watering plants in which we make use of narrow tubing's to deliver water directly at the base of the plant. It is
A)
irrigation done
clear
B)
fountain irrigation done
clear
C)
drip irrigation done
clear
D)
All of these done
clear
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question_answer73)
It is the minimum amount of water recommended by United Nations for drinking, washing, cooking and maintaining proper hygiene. It is recommended per person and is
A)
20 liters per day done
clear
B)
50 liters per day done
clear
C)
100 liters per day done
clear
D)
200 liters per day done
clear
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question_answer74)
It is a type of waste that originates from kitchen it is
A)
foul waste done
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B)
sludge waste done
clear
C)
trade waste done
clear
D)
None of these done
clear
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question_answer75)
Fresh water refers to
A)
water brought home recently. done
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B)
water which makes us energetic and fresh if we drink it done
clear
C)
water that is fit for human consumption. done
clear
D)
All of the above are correct. done
clear
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question_answer76)
Water Cycle
A)
refers to cycling of water among its three forms that keeps total amount of water on earth constant. done
clear
B)
essential for various forms of water to change from one form to other. done
clear
C)
taking water from one place to another and bring it back to the original place after completing a fall cycle. done
clear
D)
All of the above done
clear
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question_answer77)
Depletion of water table, refers to
A)
going down of water table. done
clear
B)
the increase in depth of water table done
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C)
Both the above are correct done
clear
D)
None of the above is correct done
clear
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question_answer78)
Water harvesting means
A)
to get a crop of water done
clear
B)
the use of rain water to recharge ground water done
clear
C)
the use of rain water to discharge ground water done
clear
D)
None of these done
clear
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question_answer79)
Which of the following causes a depletion in water table of a place?
A)
Constructing factories and houses done
clear
B)
Making concrete roads done
clear
C)
Deforestation done
clear
D)
All of these done
clear
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question_answer80)
One of the following processes is not a step involved in water cycle in nature?
A)
Precipitation done
clear
B)
Evaporation done
clear
C)
Transpiration done
clear
D)
Photosynthesis done
clear
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question_answer81)
Eutrophication results in reduction of
A)
dissolved hydrogen done
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B)
dissolved oxygen done
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C)
dissolved nitrate done
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D)
mineral salts done
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question_answer82)
Percolation tanks and wells are used for
A)
irrigation done
clear
B)
harvesting of flood water done
clear
C)
supply of drinking water done
clear
D)
All of these done
clear
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question_answer83)
DIRECTIONS: Match column I with column II and select the correct answers using the code given below the columns.
Column-I | Column-II |
(A) Evaporation | (p) removing insoluble impurities |
(B) Precipitation | (q) kills germs and bacteria |
(C) Filtration | (r) change of water to vapour |
(D) Chlorination | (s) rain |
A)
(A) \[\to \] (s),(B) \[\to \] (q),(C) \[\to \] (p),(D) \[\to \] (r) done
clear
B)
(A) \[\to \] (r),(B) \[\to \] (s),(C) \[\to \] (p),(D) \[\to \] (q) done
clear
C)
(A) \[\to \] (r),(B) \[\to \] (p),(C) \[\to \] (q),(D) \[\to \] (s) done
clear
D)
(A) \[\to \] (q),(B) \[\to \] (s),(C) \[\to \] (p),(D) \[\to \] (r) done
clear
View Solution play_arrow
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question_answer84)
DIRECTIONS: Match column I with column II and select the correct answers using the code given below the columns.
Column - I | Column - II |
(A) Bawari | (p) Storing rain water |
(B) Drip irrigation | (q) traditional storage tanks |
(C) rain water harvesting | (r) planting more trees |
(D) a forestation deliver water at the | (s) narrow tubing?s to base of plant |
A)
(A) \[\to \] (p),(B) \[\to \] (s),(C) \[\to \] (q),(D) \[\to \] (r) done
clear
B)
(A) \[\to \] (r),(B) \[\to \] (s),(C) \[\to \] (q),(D) \[\to \] (p) done
clear
C)
(A) \[\to \] (r),(B) \[\to \] (s),(C) \[\to \] (p),(D) \[\to \] (q) done
clear
D)
(A) \[\to \] (q),(B) \[\to \] (s),(C) \[\to \] (p),(D) \[\to \] (r) done
clear
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question_answer85)
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 Water is essential for living beings. There can be no life without water. There is an amount of water recommended by United Nations for drinking, washing, cooking and maintaining proper hygiene. What is the minimum amount of water recommended by United Nations?
A)
\[40\,l\] done
clear
B)
\[50\,l\] done
clear
C)
\[100\,l\] done
clear
D)
\[75\,l\] done
clear
View Solution play_arrow
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question_answer86)
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 Water is essential for living beings. There can be no life without water. There is an amount of water recommended by United Nations for drinking, washing, cooking and maintaining proper hygiene. When is world water day celebrated?
A)
March 22 done
clear
B)
March 30 done
clear
C)
April 22 done
clear
D)
May 21 done
clear
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question_answer87)
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 Water is essential for living beings. There can be no life without water. There is an amount of water recommended by United Nations for drinking, washing, cooking and maintaining proper hygiene. Which of the following maintains the balance of water in nature?
A)
Water cycle done
clear
B)
rain done
clear
C)
clouds done
clear
D)
ground water done
clear
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question_answer88)
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 There is an uneven distribution of water. Much of it has resulted due to human activities growing urbanization and development work has resulted in water shortage and supply of clean drinking water is affected. Which of the following human activities has resulted in depletion of ground water?
A)
building roads done
clear
B)
cutting trees done
clear
C)
cultivation practices done
clear
D)
All of these done
clear
View Solution play_arrow
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question_answer89)
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 There is an uneven distribution of water. Much of it has resulted due to human activities growing urbanization and development work has resulted in water shortage and supply of clean drinking water is affected. When does depletion of water table occur?
A)
When there is insufficient rain done
clear
B)
Overuse of ground water done
clear
C)
Construction activities done
clear
D)
All of these done
clear
View Solution play_arrow
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question_answer90)
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 There is an uneven distribution of water. Much of it has resulted due to human activities growing urbanization and development work has resulted in water shortage and supply of clean drinking water is affected. Which of the following should be practiced?
A)
rain water harvesting done
clear
B)
Overuse of ground water done
clear
C)
waste water done
clear
D)
none of these done
clear
View Solution play_arrow
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question_answer91)
DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true ?and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): The going down of water table is called depletion of water table. Reason (R): The depletion of water table occurs if water is sufficiently replenished.
A)
Both A and R are true and R is the correct explanation of A. done
clear
B)
Both A and R are true but R is not the correct explanation of A. done
clear
C)
A is true but R is false. done
clear
D)
A is false but R is true. done
clear
View Solution play_arrow
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question_answer92)
DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true ?and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion A: Water is listed as one of the basic needs of animal and plant life. Reason R: Water forms the basis of life
A)
Both A and R are true and R is the correct explanation of A. done
clear
B)
Both A and R are true but R is not the correct explanation of A. done
clear
C)
A is true but R is false. done
clear
D)
A is false but R is true. done
clear
View Solution play_arrow
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question_answer93)
DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true ?and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion A: Water cycle derives energy from the seen. Reason R: water from oceans, lakes, rivers etc. evaporate and change into water vapour.
A)
Both A and R are true and R is the correct explanation of A. done
clear
B)
Both A and R are true but R is not the correct explanation of A. done
clear
C)
A is true but R is false. done
clear
D)
A is false but R is true. done
clear
View Solution play_arrow
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question_answer94)
DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true ?and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion A: Some water moves over the surface of the ground into lakes and rivers. Reason R: Some water seeps into the ground.
A)
Both A and R are true and R is the correct explanation of A. done
clear
B)
Both A and R are true but R is not the correct explanation of A. done
clear
C)
A is true but R is false. done
clear
D)
A is false but R is true. done
clear
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question_answer95)
DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) Water harvesting is harvesting of water from tube wells. (ii) Rain water cannot be stored for future use (iii) Agriculture is the largest consumer of fresh water in India.
A)
Statements (i) and (iii) are incorrect but (ii) is correct. done
clear
B)
Statements (i) and (ii) are incorrect but (iii) is correct. done
clear
C)
All statements are correct. done
clear
D)
All statements are incorrect. done
clear
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question_answer96)
DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) Boiling removes soluble impurities from water. (ii) Fertilizers and sewage cause water pollution. (iii) Chlorination cleans and removes insoluble impurities from water.
A)
Statements (i) and (iii) are incorrect but (ii) is correct. done
clear
B)
Statements (i) and (ii) are incorrect but (iii) is correct. done
clear
C)
All statements are correct. done
clear
D)
All statements are incorrect. done
clear
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question_answer97)
DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) Change of water vapour into water is called evaporation. (ii) Change of water into water vapour is called precipitation. (iii) Water cycle causes imbalance of water in nature.
A)
Statements (i) and (iii) are incorrect but (ii) is correct. done
clear
B)
Statements (i) and (ii) are incorrect but (iii) is correct. done
clear
C)
All statements are correct. done
clear
D)
All statements are incorrect. done
clear
View Solution play_arrow
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question_answer98)
DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) There are four states of water. (ii) Glacier is the solid state of water. (iii) Water cannot change from one state to another.
A)
Statements (i) and (iii) are incorrect but (ii) is correct. done
clear
B)
Statements (i) and (ii) are incorrect but (iii) is correct. done
clear
C)
All statements are correct. done
clear
D)
All statements are incorrect. done
clear
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question_answer99)
DIRECTIONS: Carefully observe pictures given below and answer the following questions. The following diagram that shows a part of water cycle and answer the following questions.
The process 'X' is known as
A)
condensation done
clear
B)
evaporation done
clear
C)
melting done
clear
D)
precipitation done
clear
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question_answer100)
DIRECTIONS: Carefully observe pictures given below and answer the following questions. The following diagram that shows a part of water cycle and answer the following questions.
In the above diagram (given in previous question), water vapor goes into air by process 'Y' and 'X', forms clouds and then comes back to the ground in the form of rain.
A)
'Y' = Condensation process; 'X' = Evaporation done
clear
B)
'Y' = the process by which the water disappears from a plate when kept in sunlight. 'X' = The process of Condensation done
clear
C)
'Y' = the process by which water is lost by plants of the forest 'X' = Condensation done
clear
D)
All of these done
clear
View Solution play_arrow
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question_answer101)
DIRECTIONS: Carefully observe pictures given below and answer the following questions. Carefully observe the given diagram and answer the following questions.
The diagram above uses letters A, B, C and D to represent processes occurring in a water cycle. Identify the process that is shown by letter B?
A)
Evaporation done
clear
B)
Condensation done
clear
C)
Run off done
clear
D)
Precipitation done
clear
View Solution play_arrow
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question_answer102)
DIRECTIONS: Carefully observe pictures given below and answer the following questions. Carefully observe the given diagram and answer the following questions.
The diagram above uses letters A, B, C and D to represent processes occurring in a water cycle. What does letter D represent?
A)
Mountain slope done
clear
B)
Rain done
clear
C)
Cloud burst done
clear
D)
Run off done
clear
View Solution play_arrow