-
question_answer1)
Source of fresh water are
A)
sea done
clear
B)
salty lacks done
clear
C)
underground water done
clear
D)
oceans done
clear
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question_answer2)
Freezing point of water is
A)
\[0{}^\circ C\] done
clear
B)
\[32{}^\circ F\] done
clear
C)
\[100{}^\circ F\] done
clear
D)
Both [a] and [b] done
clear
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question_answer3)
Boiling point of water in Fahrenheit scale
A)
\[100{}^\circ F\] done
clear
B)
\[0{}^\circ F\] done
clear
C)
\[212{}^\circ F\] done
clear
D)
\[132{}^\circ F\] done
clear
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question_answer4)
Density of water is maximum at
A)
below \[4{}^\circ C\] done
clear
B)
at \[4{}^\circ C\] done
clear
C)
above \[4{}^\circ C\] done
clear
D)
at \[0{}^\circ C\] done
clear
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question_answer5)
Heavy water is
A)
\[{{D}_{2}}O\] done
clear
B)
\[{{H}_{2}}O\] done
clear
C)
\[{{N}_{2}}O\] done
clear
D)
\[{{P}_{2}}O\] done
clear
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question_answer6)
After addition of salt in the water
A)
boiling point increases done
clear
B)
boiling point decreases done
clear
C)
no effect on boiling point done
clear
D)
freezing point increases done
clear
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question_answer7)
Most salty sea is
A)
Arab sea done
clear
B)
Red Sea done
clear
C)
Dead sea done
clear
D)
Aral sea done
clear
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question_answer8)
Which one is correct?
A)
Evaporation \[\to \] Condensation \[\to \] Cloud \[\to \] Rain done
clear
B)
Cloud \[\to \] Condensation \[\to \] Evaporation \[\to \] Rain done
clear
C)
Evaporation \[\to \] Rain \[\to \] Condensation \[\to \] Cloud done
clear
D)
Cloud \[\to \] Rain \[\to \] Evaporation\[\to \] Condensation done
clear
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question_answer9)
Drinkable water on Earth is
A)
97.2% done
clear
B)
2.15%- done
clear
C)
0.65% done
clear
D)
0.0% done
clear
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question_answer10)
Which salt is present in maximum amount is seas?
A)
Magnesium chloride done
clear
B)
Calcium chloride done
clear
C)
Magnesium sulphate done
clear
D)
Sodium chloride done
clear
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question_answer11)
Fishes are able to live even if lakes upper layer become ice
A)
density of water is less done
clear
B)
density of ice is more done
clear
C)
density of water of lake is more done
clear
D)
All of the above done
clear
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question_answer12)
Ocean cover is
A)
\[\frac{3}{4}\] done
clear
B)
\[\frac{1}{2}\] done
clear
C)
\[\frac{1}{4}\] done
clear
D)
\[\frac{2}{3}\] done
clear
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question_answer13)
Dry ice is
A)
solid water done
clear
B)
solid \[~C{{O}_{2}}\] done
clear
C)
solid \[{{H}_{2}}{{O}_{2}}\] done
clear
D)
None of these done
clear
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question_answer14)
When cold water pour into the glass, there are some water droplets on outer surface of the glass this is due to
A)
liquification done
clear
B)
evaporation done
clear
C)
Both [a] and [b] done
clear
D)
Neither [a] nor [b] done
clear
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question_answer15)
In hilly areas, water pipelines are burst during winter
A)
water expand after freezing done
clear
B)
water squeezes after freezing done
clear
C)
pipelines squeezes at freezing done
clear
D)
None of the above done
clear
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question_answer16)
Heavy water is
A)
coolest done
clear
B)
moderant done
clear
C)
ore done
clear
D)
fuel done
clear
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question_answer17)
Heavy water can be formed by
A)
electrolysis of simple water done
clear
B)
after mixing heavy salt in water done
clear
C)
distillation of water done
clear
D)
after separation of impurities of Ca and Mg done
clear
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question_answer18)
For cleaning of water we have to do
A)
filteration done
clear
B)
boiling done
clear
C)
chlorination done
clear
D)
All of these done
clear
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question_answer19)
Pure water is
A)
acidic done
clear
B)
basic done
clear
C)
neutral done
clear
D)
All of these done
clear
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question_answer20)
Characteristic of pure water is
A)
presence of harmful microorganism done
clear
B)
impure and odourous water done
clear
C)
presence of chemicals done
clear
D)
presence of oxygen in adequate done
clear
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question_answer21)
Water pollution is
A)
presence of undesirable material in water done
clear
B)
presence of sewage in water done
clear
C)
presence of chemical fertilizer in water done
clear
D)
All of the above done
clear
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question_answer22)
Main pollutants of underground water is
A)
arsenic and fluoride done
clear
B)
ammonia done
clear
C)
nitrates done
clear
D)
chromium and chlorides done
clear
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question_answer23)
Minamata disease is caused by mixing of ......... material in water.
A)
cadmium done
clear
B)
mercury done
clear
C)
iron done
clear
D)
sodium done
clear
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question_answer24)
Water conservation can be done by
A)
control on soil erosion done
clear
B)
reforestation done
clear
C)
to stop wastage of water done
clear
D)
All of the above done
clear
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question_answer25)
Hard water is impure due to presence of
A)
bicarbonates of calcium done
clear
B)
chlorides of calcium done
clear
C)
bicarbonates of magnesium done
clear
D)
All of the above done
clear
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question_answer26)
Due to boiling of the impure or hard water we observe some settle water, what it may be?
A)
Bicarbonate of calcium done
clear
B)
Bicarbonate of magnesium done
clear
C)
Both [a] and [b] done
clear
D)
Neither [a] nor [b] done
clear
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question_answer27)
BOD is
A)
Biological Optimal Demand done
clear
B)
Biological Optimal Decide done
clear
C)
Biological-Oxygen Demand done
clear
D)
None of the above done
clear
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question_answer28)
What we can do to make water potable?
A)
Boiling done
clear
B)
Add potassium permanganate done
clear
C)
Addition of bleaching powder done
clear
D)
All of the above done
clear
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question_answer29)
Main causes of acid rain is
A)
presence of nitric acid done
clear
B)
presence of chloric acid done
clear
C)
presence of sulphuric acid done
clear
D)
Both [a] and [b] done
clear
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question_answer30)
Match the following
| List I (Source) | | List II (Percentage of Water) |
[a] | Atmosphere | (i) | 0.625 |
[b] | Underground water | (ii) | 0.001 |
[c] | Ocean | (iii) | 2.15 |
[d] | Glaciers and Polar ice | (iv) | 97.2 |
A)
A\[\to \]1 A\[\to \]2 A\[\to \]3 A\[\to \]4 done
clear
B)
B\[\to \]4 B\[\to \]3 B\[\to \]2 B\[\to \]1 done
clear
C)
C\[\to \]2 C\[\to \]1 C\[\to \]4 C\[\to \]3 done
clear
D)
D\[\to \]3 D\[\to \]2 D\[\to \]1 D\[\to \]4 done
clear
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question_answer31)
Consider the following statements
I. Boiling point of water is 273 K. |
II. Evaporation takes place at all temperature. |
Which of the statements) given above is/ar correct?
A)
Only I done
clear
B)
Only II done
clear
C)
Both I and II done
clear
D)
Neither I nor II done
clear
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question_answer32)
Consider the following statements
I. Heavy water is radioactive in nature. |
II. Heavy water is formed by electrolysis normal water. |
III. Heavy water is not harmful for organisms. |
Which of the statements) given above is/an incorrect?
A)
Only II done
clear
B)
I and II done
clear
C)
I, II and III done
clear
D)
III and I done
clear
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question_answer33)
Heavy water is used for
A)
to form deuterium done
clear
B)
to study mechanism of chemical reaction done
clear
C)
used in nuclear reactors as moderator done
clear
D)
All of the above done
clear
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question_answer34)
To avoid waterborne disease we should do
A)
drink water after boiling done
clear
B)
add 'chlorine in water done
clear
C)
addition of lime water in water done
clear
D)
All of the above done
clear
View Solution play_arrow
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question_answer35)
Main causes of water pollution
A)
pesticides and insecticides used in agricultura practices done
clear
B)
industrial waste addition of rivers done
clear
C)
accidental oil leakages done
clear
D)
All of the above done
clear
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question_answer36)
Consider the following statements about water.
I. Water help to survive aquatic organism because it dissolve nutrients and oxygen. |
II. Water allows light to pass through it, due to which aquatic organisms are able to see in water. |
Which of the statement(s) given above is/are correct?
A)
Only I done
clear
B)
Only II done
clear
C)
Both I and II done
clear
D)
Neither I nor II done
clear
View Solution play_arrow
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question_answer37)
Consider the following statements
I. Boiling need external heat. |
II. Evaporation need external heat. |
III. Atmospheric heat is sufficient for evaporation. |
IV. Evaporation is highest at boiling point. |
Which of the statements given above is/are correct?
A)
II, III and IV done
clear
B)
I and II done
clear
C)
I, III and IV done
clear
D)
All of these done
clear
View Solution play_arrow
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question_answer38)
In summers, wet clothes dry very fastly due to
A)
condensation done
clear
B)
evaporation done
clear
C)
Neither [a] nor [b] done
clear
D)
Both [a] and [b] done
clear
View Solution play_arrow
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question_answer39)
The Ganga action plan launched to improve the
A)
water quality done
clear
B)
water velocity done
clear
C)
water quantity done
clear
D)
water temperature done
clear
View Solution play_arrow
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question_answer40)
Water in earthern pot remains cool due to (CGTET Jan 2011)
A)
condensation done
clear
B)
evaporation done
clear
C)
sedimentation done
clear
D)
sublimation done
clear
View Solution play_arrow
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question_answer41)
Which country has maximum number of tube-wells in the world? (RTET Feb 2011)
A)
America done
clear
B)
Australia done
clear
C)
China done
clear
D)
India done
clear
View Solution play_arrow
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question_answer42)
City of Lakes in Rajasthan is (RTET Feb 2011)
A)
Jaipur done
clear
B)
Jodhpur done
clear
C)
Udaipur done
clear
D)
Ajmer done
clear
View Solution play_arrow
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question_answer43)
How much percentage of water in the oceans is drinkable? (PTET Feb 2011)
A)
97.2 done
clear
B)
2.15 done
clear
C)
0.65 done
clear
D)
0.0 done
clear
View Solution play_arrow
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question_answer44)
What is \[BO{{D}_{5}}\]? (PTET Feb 2011)
A)
Biochemical Oxygen Demand in 5 hours done
clear
B)
BF -Tical Oxygen Demand in 5 days done
clear
C)
Blochemical Oxygen Demand in 5 months done
clear
D)
Biochemical Oxygen Demand in 5 minutes done
clear
View Solution play_arrow
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question_answer45)
Traces of radioactive waste present in water can cause (PTET Feb 2011)
A)
cancer done
clear
B)
eye cataract done
clear
C)
DNA breakage done
clear
D)
All of these done
clear
View Solution play_arrow
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question_answer46)
Waterborne disease is (UPTET June 2011)
A)
dysentery done
clear
B)
small pox done
clear
C)
anaemia done
clear
D)
brain fever done
clear
View Solution play_arrow
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question_answer47)
71% Earth is covered by (UPTET June 2011)
A)
land done
clear
B)
air done
clear
C)
water done
clear
D)
coal done
clear
View Solution play_arrow
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question_answer48)
Main cause of water level depletion is (UPTET Nov 2011)
A)
urbanization done
clear
B)
industrialisation done
clear
C)
global warming done
clear
D)
acid rain done
clear
View Solution play_arrow
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question_answer49)
Salt, which absorb water is called (UPTET Nov 2011)
A)
hygroscopic salt done
clear
B)
hydrophilic salt done
clear
C)
anhydrous salt done
clear
D)
hydrophobic salt done
clear
View Solution play_arrow
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question_answer50)
Rise of water level of oceans is due to (UPTET Nov 2011)
A)
melting of ice of polar region done
clear
B)
excess rain water done
clear
C)
acid rain done
clear
D)
None of the above done
clear
View Solution play_arrow
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question_answer51)
Oceans are present on Earth surface is (UPTET Nov 2011)
A)
\[{}^{3}/{}_{4}\] done
clear
B)
\[{}^{1}/{}_{2}\] done
clear
C)
\[{}^{1}/{}_{4}\] done
clear
D)
\[{}^{2}/{}_{3}\] done
clear
View Solution play_arrow
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question_answer52)
The difference between boiling and evaporation is that (UPTET Nov 2011)
A)
boiling causes a change of state of water while evaporation does not done
clear
B)
evaporation can take place at any temperature while boiling can not done
clear
C)
boiling causes reduction in volume of liquid while evaporation does not done
clear
D)
changing of boiling liquid into vapour can be seen but evaporation cannot be seen done
clear
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question_answer53)
A lemon sinks in normal water but floats in salty water because the density of (UPTET Nov 2011)
A)
salt water is more than normal water done
clear
B)
normal water is more than salt water done
clear
C)
lemon increases in salt water done
clear
D)
lemon decreases in salt water done
clear
View Solution play_arrow
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question_answer54)
Rekha's mother adds Phitkari (Alum) to water collected from the pond every day in order to (CTET Jan 2012)
A)
sediment light suspended impurities done
clear
B)
change hard water into soft water done
clear
C)
kill germs in water done
clear
D)
decolourise water done
clear
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question_answer55)
While performing experiments with water, Jyoti observed that an empty steel bowl floats but a small iron nail sinks in water, this can be explained by the fact that (CTET Jan 2012)
A)
force on a steel bowl is more than its weight whereas force on an iron nail is lesser than its weight done
clear
B)
force on an iron nail is more than its weight whereas force on a steel bowl is lesser than its weight done
clear
C)
iron is heavier than water and steel is lighter than water done
clear
D)
iron is lighter than water and steel is heavier than water done
clear
View Solution play_arrow
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question_answer56)
An air-pump is kept in an aquarium in order to (CTET Jan 2012)
A)
provide more carbon dioxide to water plants done
clear
B)
allow more oxygen to dissolve in water done
clear
C)
enhance the beauty of the aquarium done
clear
D)
make water cleaner' done
clear
View Solution play_arrow
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question_answer57)
A fish dies when it is put in an aquarium filled with previously boiled water but cooled to room temperature. This happen because the water in the aquarium is (CTET Jan 2012)
A)
depleted in \[{{O}_{2}}\] done
clear
B)
unfit for drinking by fish done
clear
C)
depleted in minerals done
clear
D)
unfit for swimming by fish done
clear
View Solution play_arrow
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question_answer58)
Arti noticed the following precaution related to prevention of spread of a disease on a poster. (CTET Jan 2012)
I. Do not let water collect around you. |
II. Keep water pots coolers and tanks clean. |
III. Spray oil if water has collected at some place. |
IV. Use nets to protect yourself. |
The poster is aimed at creating awareness about the spread of
A)
Small pox and Malaria done
clear
B)
Dengue and Eye-flu done
clear
C)
Typhoid and Cholera done
clear
D)
Dengue and Japanese Encephalitis done
clear
View Solution play_arrow
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question_answer59)
The group called Tarun Bharat Sangh is associated with (CTET Nov 2012)
A)
rebuilding old lakes done
clear
B)
helping specially abled children in learning done
clear
C)
providing cooked midday meal in schools done
clear
D)
running free coaching classes, for the children belonging to EVS done
clear
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question_answer60)
Which of the following is the main cause of rainfall? (HTET June 2011)
A)
Filteration done
clear
B)
Evaporation done
clear
C)
Condensation done
clear
D)
Both [a] and [b] done
clear
View Solution play_arrow
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question_answer61)
The most appropriate use of rain water harvesting is (HTET June 2013)
A)
irrigation done
clear
B)
agriculture done
clear
C)
drinking water done
clear
D)
rise of ground water level done
clear
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question_answer62)
Pollution of river can be measured by (UPTET June 2013)
A)
ATP done
clear
B)
STP done
clear
C)
BOD done
clear
D)
WPL done
clear
View Solution play_arrow
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question_answer63)
Chemical use in artificial rain for cloud formation. (UPTET June 2013)
A)
Silver nitrate done
clear
B)
Potassium bromide done
clear
C)
Silver iodide done
clear
D)
Potassium nitrate done
clear
View Solution play_arrow
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question_answer64)
Main objective of parsh Ganga Abhiyan' is (UTET Sept 2013)
A)
health safety done
clear
B)
cleanliness of Ganga done
clear
C)
linking of rivers done
clear
D)
restoration of temples done
clear
View Solution play_arrow
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question_answer65)
Minamata disease is a pollution-related disease which results from (UTET Sept 2013)
A)
oil spills into sea done
clear
B)
accumulation of arsenic into atmosphere done
clear
C)
release of industrial mercury waste into water done
clear
D)
release of human organic waste into drinking water done
clear
View Solution play_arrow
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question_answer66)
There are three R's to save our environment which are (UTET Sept 2013)
A)
reduce, recycle and inform done
clear
B)
reuse, restructure and reform done
clear
C)
reduce, recycle and reuse done
clear
D)
reduce, recycle and restructure done
clear
View Solution play_arrow
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question_answer67)
?Tani Panchayat? started in which state? (UTET Sept 2013)
A)
Kerala done
clear
B)
Raj asthan done
clear
C)
UP done
clear
D)
Maharashtra done
clear
View Solution play_arrow
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question_answer68)
To restore the underground water level we have to (UTET Sept 2013)
A)
promote traditional farming done
clear
B)
to increase the areas of cultivation of rice and sugarcane done
clear
C)
wells should form done
clear
D)
to promote industrialisation done
clear
View Solution play_arrow
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question_answer69)
What is Dead Sea? (CTET Feb 2014)
A)
A sea whose water is poisonous done
clear
B)
A sea which is saltiest of all oceans and seas done
clear
C)
A sea in which high and low tides are very frequent done
clear
D)
A sea in which it is dangerous to sail ships done
clear
View Solution play_arrow
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question_answer70)
The water level......... when a pinch of salt is dissolved in a glass of water. (HTET Feb 2014)
A)
increases done
clear
B)
decreases done
clear
C)
remains the same done
clear
D)
None of the above done
clear
View Solution play_arrow
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question_answer71)
The boiling water of water on Farenheit scale is...........\[{}^\circ \,F\]. (HTET Feb 2014)
A)
100 done
clear
B)
80 done
clear
C)
212 done
clear
D)
32 done
clear
View Solution play_arrow
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question_answer72)
Which disease is waterborne? (UPTET Feb 2014)
A)
AIDS done
clear
B)
Typhoid done
clear
C)
Anemia done
clear
D)
Titanus done
clear
View Solution play_arrow
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question_answer73)
How much percentage of the Earth's surface is covered with water? (UTET April 2015)
A)
60 done
clear
B)
71 done
clear
C)
77 done
clear
D)
80 done
clear
View Solution play_arrow
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question_answer74)
"The Supreme Court has directed the government to make Yamuna water quality at least of grade ?C? level which could be made available to people for drinking". According to above mentioned statement the meaning of Grade 'c' level is (UTET April 2015)
A)
clean water done
clear
B)
slightly polluted water done
clear
C)
moderately polluted water done
clear
D)
highly polluted water done
clear
View Solution play_arrow
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question_answer75)
Which one of the following diseases may be caused by stagnant water? (CTET Sept 2015)
A)
Malaria done
clear
B)
Polio done
clear
C)
Pneumonia done
clear
D)
Chicken pox done
clear
View Solution play_arrow
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question_answer76)
Malaria is caused by (RTET Feb 2016)
A)
Plasmodium faiciparum done
clear
B)
Entamaeba done
clear
C)
Retro virus done
clear
D)
Salmouelia done
clear
View Solution play_arrow
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question_answer77)
It is advised to put oil on stagnant water to prevent breeding of mosquitoes. This is because (CTET Feb 2016)
A)
oil cut off oxygen supply, thereby stops the breeding of mosquitoes done
clear
B)
mosquitoes are repelled by oil done
clear
C)
mosquitoes are killed by oil done
clear
D)
mosquitoes get stuck in the layer of oil done
clear
View Solution play_arrow
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question_answer78)
Renu's grand mother shows her a dried-up well and tells her that 15-20 years ago there was water in the well, but now it has completely dried up. What could be the reason(s) for drying up of water in the well? (CTET Feb 2016)
I. The soil around the trees, well and nearby area is now covered with cement. |
II. A lot of boring pumps have come up in the nearby area. |
III. Nobody uses the well as there are taps in every body's house now. |
Select the correct answer using the codes given below.
A)
Both I and II done
clear
B)
Only III done
clear
C)
Only I done
clear
D)
Only II done
clear
View Solution play_arrow