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Water a precious resource

Winmeen WinmeenAugust 9, 2018
0 239 Less than a minute

Water a precious resource- 7th Std Science 3rd Term

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Question 1
  • Fill in the blanks
Most of the water that exists on the earth is in the  _______ and ________
A
Seas, Oceans
B
Rivers, Ponds
C
Antarctica, Arctic
Question 2
Ocean water is highly _________ and hence unfit for drinking.
A
Sweet
B
salty
C
Sour
Question 3
World  Environment Day is celebrated on ______
A
December 5
B
July 5
C
June 5
Question 4
The water in the _________ is highly salty.
A
Red Sea
B
Dead sea
C
Black Sea
Question 5
_________ water is the purest form of water.
A
Pond
B
Sea
C
Rain
Question 6
Water freezes to ice at ______C.
A
〖4/0〗^5
B
〖4/0〗^3
C
〖4/0〗^0
Question 7
Water changes into steam at ________C.
A
〖100/110〗^0
B
〖100/110〗^3
C
〖100/110〗^5
Question 8
The solid form of water is _____
A
Oil
B
Pond
C
ice
Question 9
Rain and dew are formed of ______
A
Ice cubes
B
water droplets
Question 10
Most of the fresh water returns to the oceans through _____
A
rivers
B
Ponds
C
Sea
Question 11
Underground water is also called an ________
A
Aquifer
B
Ground Water
Question 12
The top level of  the underground water is called the ______
A
Aquifer
B
Ground Water
C
Water table
Question 13
The Tamil Nadu Government has decided to solve the freshwater problems by the ________ of sea water.
A
desalination
B
Distillation
C
Water Recycling
Question 14
The Government of Tamil Nadu has taken a venture to convert sea water into potable water by the _____ process to solve the problem of scarcity of water.
A
reverse Osmosis
B
Osmosis
C
Ultrafiltration
Question 15
_______ is celebrated as World Water Day.
A
March 13
B
May 13
C
March 22
Question 16
________ is a natural resource which is vital for both plants and animals
A
cake
B
Oil
C
Water
Question 17
Most of the water that exists on the earth is in the ________ and oceans.
A
Ponds
B
Seas
C
Rivers
Question 18
Sea and Ocean water is hig hly ______ and hence unfit for drinking.
A
salty
B
Sour
C
Sweet
Question 19
Most of the fresh water is frozen in the ________ and in the ______ regions.
A
Glaciers, Polar
B
ice caps, Non polar
Question 20
World Forest Day is celebrated on _______
A
May 24
B
March 21
C
March 24
Question 21
Natural Resources Day is celebrated on ________
A
October 5
B
October 3
C
September 15
Question 22
Earth Day is celebrated on ______
A
April 20
B
April 26
C
April 22
Question 23
World Natural Conservation Day is celebrated on ________
A
Nov 25
B
April 22
C
September 13
Question 24
Water exists in three states namely ______, _____ and ______
A
Solid, Liquid, Gas
B
Pressure, Temperature, Seconds
Question 25
_________ is the purest form of water
A
Pond Water
B
Sea Water
C
Rain water
Question 26
________, __________ and ________ occur only at high altitudes or high latitudes.
A
Glaciers, Ice caps, Snowfields
B
Desert, Mountain Feilds, Ice sheets
Question 27
The water in the rivers come either from _______ or melting of _________on the mountains.
A
Rain fall, snow
B
Flad, tsunami
Question 28
Ocean water is _____ and hence not useful for domestic and agricultural purposes.
A
Sour
B
salty
C
Sweet
Question 29
The high _______ present in dead sea prevents any fish or other visible aquatic organisms to live in its water.
A
Salinity
B
Conductivity
C
Temperature Graph
Question 30
________ is the solid form of water.
A
Water
B
Oil
C
ice
Question 31
Rain and dew are formed of ________
A
water droplets
B
Falls
Question 32
_______ is the gaseous form of water.
A
Temperature
B
Steam
C
water vapour
Question 33
Water vapour exists as _____, ______, _______ and _________
A
mist, fog, steam, clouds
B
Rainfall, Haze, falls, Tsunami
Question 34
_________ in the form of rain or snow provides fresh water to our earth.
A
condensation
B
agglutination
C
precipitation
Question 35
Most of the fresh water returns to the ocean through _______
A
Pond
B
rivers
C
Rainfall
Question 36
Underground water is also called an ________
A
Aquifer
B
aquitard
C
Well
Question 37
India is the largest user of ________ water in the world.
A
River
B
Sea
C
ground
Question 38
The top level of underground water is called the _______
A
Sea Water
B
water table
C
River Water
Question 39
_______ is depleted by scanty rainfall and hot winds.
A
Sea Water
B
water table
C
River Water
Question 40
Many parts of word are losing fresh water sources due to ________ intrusion
A
Sour Water
B
salt water
C
Sweet
Question 41
Water availability in India depends greatly on the _______ monsoons
A
seasonal
B
Unseasonal
Question 42
In India the monsoons bring heavy rains between _______ and ________
A
January and march
B
July and December
C
June and October
Question 43
The three main rivers which originate from Himalayas are the _________, the ________ and the  _________.
A
Indus, Ganga, Brahmaputra
B
Kaaveri, Thamirabarani, Arjuna
C
Yamuna, Saraswathi, Ganga
Question 44
The total renewable water resources of India is estimated at _______ sq.km per annum.
A
1897
B
1884
C
1856
Question 45
_________ of water is defined as a situation where there is insufficient water to satisfy normal requirements.
A
abundance
B
scarcity
C
Paucity
Question 46
The collection of rainwater to improve ground water storage in the aquifer is called
A
Rain Water Harvesting
B
Photosynthesis
Question 47
________ intrusion in coastal  areas can be arrested by rainwater harvesting.
A
Pond Water
B
River Water
C
sea water
Question 48
Flooding in city streets can be _______ by rainwater harvesting.
A
reduced
B
Increased
Question 49
Loss of soil can be reduced by ______
A
Flad
B
Rain Water Harvesting
C
Tsunami
Question 50
Icebergs are pieces of _______
A
Glaciers
B
ice caps
Question 51
The most common desalination processes are ______ and _____
A
distillation, reverse osmosis
B
Osmosis, fractional distillation
Question 52
Distillation is the process in which _________ and ________ go side by side.
A
evaporation, condensation
B
Vaporization, precipitation
Question 53
The __________ desalination plant is the largest desalination plant in India.
A
Nungambakkam
B
Kalpakkam
C
Minjur
Question 54
Minjur desalination plant is located about _________ km north of Chennai.
A
45
B
35
C
38
Question 55
Water obtained through distillation is called _________ water
A
distilled
B
Fermented
C
deionized
Question 56
Chennai Metropolitan Water Supply and Sewage Board is refered as ______
A
CMWWSB
B
CMWSSB
C
CMMSSB
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There are 56 questions to complete.
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Winmeen WinmeenAugust 9, 2018
0 239 Less than a minute
Winmeen

Winmeen

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