Questions

MCQ (1 Marks)

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149 questions · auto-graded multiple-choice test.

MCQ 11 Mark
What is the taste of ocean water?
  • Salty
  • B
    Sour
  • C
    Sweet
  • D
    Tasteless
Answer
Correct option: A.
Salty
Ocean water is salty.
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MCQ 21 Mark
To minimise the wastage of water is:
  • A
    Wash cloth with machine.
  • B
    Wash the floor everyday.
  • Turn off taps while brushing.
  • D
    None of these.
Answer
Correct option: C.
Turn off taps while brushing.
To minimise the wastage of water is turn off taps while brushing.
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MCQ 31 Mark
This method does not result in conservation of water:
  • A
    Recycling water
  • B
    Planting more trees
  • Cutting vegetation
  • D
    Using drip irrigation
Answer
Correct option: C.
Cutting vegetation
Cutting vegetation does not conserve plant.
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MCQ 41 Mark
Which of the following does not show water shortage$?$
  • A
    Taps running dry.
  • B
    Long queues for getting water.
  • C
    Marches and protests for demand of water.
  • A family gets three buckets of water per person per day.
Answer
Correct option: D.
A family gets three buckets of water per person per day.
According to the recommendation of United Nations $(UN)$ minimum $50$ litres of water per person per day should be provided.
Hence, three buckets (nearly $60$ litres) of water is sufficient for a person for one day.
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MCQ 51 Mark
Oceans and seas cover $........$ of the earth:
  • A
    Half
  • B
    One third
  • Two third
  • D
    Three fourth
Answer
Correct option: C.
Two third
Oceans and seas cover two third of the earth surface.
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MCQ 61 Mark
People obtain ground water through:
  • A
    Wells
  • B
    Hand pump
  • Both $(a)$ and $(c)$
  • D
    None of these
Answer
Correct option: C.
Both $(a)$ and $(c)$

People obtain ground water through hand pumps and wells.

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MCQ 71 Mark
Which of the following is not responsible for water shortage$?$
  • A
    Rapid growth of industries.
  • B
    Increasing population.
  • Heavy rainfall.
  • D
    Mismanagement of water resources.
Answer
Correct option: C.
Heavy rainfall.

Rain is the source of water on earth. And about $71\%$ of the earth’s surface is covered with water. Though, heavy rainfall is the source of water, not for water shortage.

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MCQ 81 Mark
A man digging the ground near a water body found that the soil was moist. As he kept digging deeper and deeper he reached a level where all the spaces between particles of soil and gaps between rocks were filled with water. The upper limit of this layer is called:
  • A
    Water level.
  • Water table.
  • C
    Ground water.
  • D
    Water limit.
Answer
Correct option: B.
Water table.
The upper limit of the layer where water is present between particles of soil and gaps between rocks is called water table and water below this layer is called groundwater.
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MCQ 91 Mark
During water cycle, the water is circulated from the earth in the form of:
  • A
    Humidity
  • B
    Rain
  • Vapour
  • D
    None of the above
Answer
Correct option: C.
Vapour
The cyclic movement of water from the atmosphere to the Earth and back to the atmosphere through various processes is called the water cycle.
Three main steps are involved in the water cycle that is evaporation, condensation, and precipitation.
During the water cycle, water from the earth is circulated in the form of water vapour by evaporation and condenses to form clouds and precipitates back to earth in the form of rain or snow.
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MCQ 101 Mark
Some of the factors which affect the water table at a place and make it go down are:
  • A
    Increase in population.
  • B
    Industrial and agriculture activities.
  • C
    Decreases in the effective area for seepage of rainwater.
  • All the above.
Answer
Correct option: D.
All the above.
All the above.
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MCQ 111 Mark
The gases surrounding the earth is:
  • A
    Hydrosphere
  • Atmosphere
  • C
    Lithosphere
  • D
    None of these
Answer
Correct option: B.
Atmosphere
The gases surrounding the earth is atmosphere.
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MCQ 121 Mark
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.
  • All of these.
Answer
Correct option: D.
All of these.
All of these statements are the advantages of water.
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MCQ 131 Mark
The earth appears to be $........$ in colour from space
  • A
    Red.
  • Blue.
  • C
    Green.
  • D
    Violet.
Answer
Correct option: B.
Blue.
Blue.
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MCQ 141 Mark
Which of the following are not the liquid forms of water$?$
  1. Snow.
  2. Lake water.
  3. River water.
  4. Water vapour.
  5. Ice.
Choose the correct combination from the options below:
  • $(i), (iv)$ and $(v)$
  • B
    $(i)$ and $(ii)$
  • C
    $(ii)$ and $(iii)$
  • D
    $(iv)$ only
Answer
Correct option: A.
$(i), (iv)$ and $(v)$

Snow and ice are frozen while water vapour is in gaseous state. Water from lake and river are in liquid state.

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MCQ 151 Mark
The water fit for drinking is called:
  • A
    Portable water
  • B
    Portrayable water
  • Potable water
  • D
    None of these.
Answer
Correct option: C.
Potable water
Water fir for drinking is known as potable water.
If something is potable that means it's safe to drink.
The word comes from the Latin, potare, meaning "to drink".
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MCQ 161 Mark
Read the following sentences carefully, and choose the incorrect one:
  • A
    Water vapor is the gaseous form of water.
  • Ice is solid, whereas snow is the semi solid form of water.
  • C
    Ocean water cannot be used for domestic purposes.
  • D
    Rapid growth of industries is one of the causes for water shortage or depletion.
Answer
Correct option: B.
Ice is solid, whereas snow is the semi solid form of water.
Snow is also solid form of water. Water is present in liquid form in ocean, river, lakes, ponds and under the ground. Water is present in gas form as water vapor in the air or atmosphere around us.
Water is present in solid form on snow covered mountains, glaciers and as ice caps on the poles of the earth.
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MCQ 171 Mark
World s Water Day is observed on:
  • A
    $20$ March
  • $2$ March
  • C
    $22$ March
  • D
    $15$ March
Answer
Correct option: B.
$2$ March

Worlds Water Day is observed on $22$ March every year.

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MCQ 181 Mark
Which one of the following is the cause of the depletion of water table?
  • A
    Increasing population
  • B
    Agricultural activities
  • C
    Increasing industries
  • All of these
Answer
Correct option: D.
All of these
All of these
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MCQ 191 Mark
How much of the earths surface is covered with water?
  • A
    $81\%$
  • B
    $31\%$
  • $71\%$
  • D
    $51\%$
Answer
Correct option: C.
$71\%$
About $71$ percent of the Earths surface is water - covered, and the oceans hold about $96.5$ percent of all Earths water.
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MCQ 211 Mark
Minimum wastage of water is called:
  • Water management
  • B
    Water cycle
  • C
    Sea level
  • D
    None of these
Answer
Correct option: A.
Water management
Minimum wastage of water is called water management.
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MCQ 221 Mark
The cause of depletion of water table is:
  • Increasing industries
  • B
    Water table
  • C
    Rain water
  • D
    None of these
Answer
Correct option: A.
Increasing industries
Every industry requires water in its production process.
As a number of industries increases, more water is drawn from the ground.
All of this result in depletion of the water table.
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MCQ 231 Mark
Seas and oceans are full of water on earth. However, a very small percentage of water present on earth is available for us. This percentage is roughly:
  • $0.006\%.$
  • B
    $0.06\%.$
  • C
    $0.6\%.$
  • D
    $6\%.$
Answer
Correct option: A.
$0.006\%.$

Most of the water present on earth is not fit for consumption by us. Sea and oceans contain salty water which cannot be drunk. Even most of the fresh water is frozen as ice in glaciers and polar regions.
Hence, we are left with limited amount of water from lake, river and under the ground.

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MCQ 241 Mark
$………….$ represents the solid form of water.
  • A
    Water vapour
  • Snow
  • C
    Lake water
  • D
    Well water
Answer
Correct option: B.
Snow
Snow
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MCQ 251 Mark
When water circulates through the water cycle it can be found in all the $.........$ forms at any given time somewhere on the earth.
  • A
    Four
  • B
    Two
  • Three
  • D
    six
Answer
Correct option: C.
Three
When water circulates through the water cycle it can be found in all three forms$, i.e.,$
solid, liquid, and gas at any given time somewhere on the earth.
This continuous cycling of water in its three forms in nature keeps the total amount of water on earth constant even when the whole world is using it.
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MCQ 261 Mark
Which of the following does not how water shortage?
  • A
    Taps running dry.
  • B
    Long queues for getting water.
  • C
    Marches and protests for demand of water.
  • A family gets three buckets of water per person per day.
Answer
Correct option: D.
A family gets three buckets of water per person per day.
A family gets three buckets of water per person per day this does not show shortage of water.
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MCQ 271 Mark
The process of recharging the ground water using rain water is known as:
  • Water harvesting.
  • B
    Drip Irrigation.
  • C
    Infiltration.
  • D
    Bawri.
Answer
Correct option: A.
Water harvesting.
Water harvesting.
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MCQ 281 Mark
In a science quiz competition, Soni are asked a question where she had to choose the statement which was$/$were incorrect?
  • A
    Millions of people in our country do not get sufficient water.
  • B
    Women and children usually walk several kilometers daily with pitchers to fetch water for household use.
  • C
    The amount of water recommended by the United Nations for a person is a minimum of $50$ liters per day.
  • None of the above
Answer
Correct option: D.
None of the above
None of the above
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MCQ 291 Mark
Seepage of water is minimum in:
  • Concrete floor
  • B
    Play grounds
  • C
    Gardens
  • D
    Forest lands
Answer
Correct option: A.
Concrete floor
Seepage of water is minimum in concrete floor.
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MCQ 301 Mark
Which of the following inhibits the seepage of rainwater into ground?
  • A pukka floor.
  • B
    Playground.
  • C
    Grass lawn.
  • D
    Forest land.
Answer
Correct option: A.
A pukka floor.
A pukka or cemented floor is usually impervious to water, inhibiting the seepage of rainwater into grounds.
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MCQ 311 Mark
The amount of water recommended by the United Nations for drinking, washing, cooking and maintaining proper hygiene per person per day is a minimum of:
  • A
    $5L.$
  • B
    $15L.$
  • C
    $30L.$
  • $50L.$
Answer
Correct option: D.
$50L.$
$50L.$
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MCQ 321 Mark
This method of irrigation can minimise wastage of water:
  • A
    Irrigation by pipes
  • Irrigation by drip
  • C
    Irrigation by channels
  • D
    None of these
Answer
Correct option: B.
Irrigation by drip
Irrigation by drip can minimise wastage of water.
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MCQ 331 Mark
Which of the following is the reason for depletion of water table?
  • A
    Increasing population.
  • B
    Increasing industries.
  • C
    Deforestation.
  • All of the above.
Answer
Correct option: D.
All of the above.
All of the above.
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MCQ 341 Mark
Which is not responsible for shortage:
  • A
    Rapid growth of industries.
  • B
    Increasing population.
  • C
    Heavy rainfall.
  • Mismanagement of water resources.
Answer
Correct option: D.
Mismanagement of water resources.
Heavy rainfall is not responsible for shortage.
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MCQ 351 Mark
$95\%$ of the Earths water is stored in its:
  • A
    Glaciers
  • Oceans
  • C
    Rivers
  • D
    Ponds
Answer
Correct option: B.
Oceans

$95\%$ of the Earth's water is stored in its oceans, from where the water cycle starts.

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MCQ 361 Mark
The traditional way of collecting water was:
  • Bawaris
  • B
    Well
  • C
    Rivers
  • D
    None of these
Answer
Correct option: A.
Bawaris
Bawri were deep step wells built into the ground.
It was the traditional way of rainwater harvesting.
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MCQ 371 Mark
Water exists in:
  • Three forms.
  • B
    Two forms.
  • C
    Five forms.
  • D
    No form.
Answer
Correct option: A.
Three forms.
Three forms.
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MCQ 381 Mark
On which day the world water day is celebrated?
  • A
    $23rd$ March
  • $22nd$ March
  • C
    $22nd$ March
  • D
    None of these
Answer
Correct option: B.
$22nd$ March
$22nd$ March
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MCQ 391 Mark
Which year was observed as International Year of Fresh Water$?$
  • $2003$
  • B
    $2004$
  • C
    $2006$
  • D
    $2002$
Answer
Correct option: A.
$2003$

Year $2003$ was observed as the International Year of Freshwater to make people aware of this dwindling natural resource.

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MCQ 401 Mark
Old wells are drying up because?
  • A
    Water is being pumped up from under the ground, with the help of electric motors.
  • B
    The lakes in which rain water used to collect are no longer there.
  • C
    The soil around trees and parks is now covered with cement.
  • All of these.
Answer
Correct option: D.
All of these.
Old wells are drying up because water is being pumped up from under the grounds and since the lakes are no longer there, it can't be refilled.
Also, because of the cementing of soil around trees and parks, rainwater no longer reached underground.
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MCQ 411 Mark
“Every Drop Counts” is a slogan related to:
  • A
    Counting of drops of any liquid.
  • B
    Counting of water drops.
  • Importance of water.
  • D
    Importance of counting.
Answer
Correct option: C.
Importance of water.
Every drop of water is precious for life to sustain on earth.
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MCQ 421 Mark
It may be possible that we are living in an area where there is sufficient rainfall and yet there is shortage of water, because of:
  • A
    Mismanagement of rainwater.
  • B
    Mismanagement of water at the individual level.
  • C
    Mismanagement of water $-$ by $-$ water supply department.
  • All the above.
Answer
Correct option: D.
All the above.
All the above.
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MCQ 431 Mark
Water cycle does not involve which of the following?
  • A
    Evaporation.
  • B
    Condensation.
  • C
    Formation of clouds.
  • Rainwater harvesting.
Answer
Correct option: D.
Rainwater harvesting.
Water cycle does not involve rainwater harvesting. Rainwater harvesting involves recharging the groundwater.
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MCQ 441 Mark
Water cycle does not involve which of the following?
  • A
    Evaporation.
  • B
    Condensation.
  • C
    Formation of clouds.
  • Rainwater harvesting.
Answer
Correct option: D.
Rainwater harvesting.
Rainwater harvesting.
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MCQ 451 Mark
Earth appears blue because:
  • $81\%$ 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
Correct option: 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.

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MCQ 461 Mark
Earth appear blue from sky due to presence of:
  • A
    Desert
  • B
    Mountains
  • C
    Land
  • Water
Answer
Correct option: D.
Water

The Earth has been blue for over $4$ billion years because of the liquid water on its surface.
There is only one known planet with permanent bodies of liquid water at its surface: ours.
Earth sciences allow us to explain why the Earth has almost always been blue: it's neither too warm nor too cold.

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MCQ 471 Mark
Out of the following which year is was observed as the International year of Fresh water.
  • A
    $2005$
  • $2003$
  • C
    $2006$
  • D
    $2008$
Answer
Correct option: B.
$2003$
$2003$
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MCQ 481 Mark
Depletion of water table is due to:
  • A
    Increase in population.
  • B
    Industrial and Agricultural activities.
  • C
    Scanty rainfall.
  • All of the above.
Answer
Correct option: D.
All of the above.
All of the above.
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MCQ 491 Mark
A man digging the ground near a water body found that the soil was moist. As he kept digging deeper and deeper he reached a level where all the spaces between particles of soil and gaps between rocks were filled with water. The upper limit of this layer is called
  • A
    Water level
  • Water table
  • C
    Ground water
  • D
    Water limit
Answer
Correct option: B.
Water table
The upper limit of this layer where water is present between particles of soil and gaps between rocks is called water table and water below the layer is called groundwater.
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MCQ 501 Mark
Rainwater harvesting is one of the ways to conserve:
  • A
    Fresh water
  • B
    Sea water
  • C
    Potable water
  • Rainwater
Answer
Correct option: D.
Rainwater
Rainwater
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MCQ 511 Mark
Which of the following is a way to use water economically?
  • A
    Construction of bawris.
  • B
    Rainwater harvesting.
  • Drip irrigation.
  • D
    Infiltration.
Answer
Correct option: C.
Drip irrigation.
Among the given options, drip irrigation is a way to use water economically because the installation of drip irrigation techniques require less amount of water.
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MCQ 521 Mark
The amount of water recommended by the United Nations for drinking, washing, cooking and maintaining proper hygiene per person per day is a minimum of:
  • A
    $5$ litres
  • B
    $15$ litres
  • C
    $30$ litres
  • $50$ litres
Answer
Correct option: D.
$50$ litres
The amount of water recommended by the United Nations for drinking, washing, cooking and maintaining proper hygiene is a minimum of $50$ litres per person per day.
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MCQ 531 Mark
From where the energy comes which powers the water cycle?
  • A
    From oceans
  • B
    From rains
  • From sun
  • D
    From the hydraulic current
Answer
Correct option: C.
From sun
The energy which rotates the water between the oceans, atmosphere, and land comes from the sun.
The sun heats the water present on earth in rivers, ponds, and oceans.
This water evaporates in the form of vapor into the air $($atmosphere$).$
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MCQ 541 Mark
Which of the following inhibits the seepage of rainwater into ground?
  • A Pukka floor
  • B
    Playground
  • C
    Grass lawn
  • D
    Forest land
Answer
Correct option: A.
A Pukka floor
The seepage of water is not possible in the case of pucca floors and concrete floors.
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MCQ 551 Mark
World water Day is celebrated on:
  • $22nd$ March.
  • B
    $24th$ March.
  • C
    $28th$ February.
  • D
    $1$ March.
Answer
Correct option: A.
$22nd$ March.
$22nd$ March.
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MCQ 561 Mark
Which of the following water sources is used for drinking purposes?
  • A
    Sea water
  • B
    Glaciers
  • Ground water
  • D
    None of these
Answer
Correct option: C.
Ground water
Groundwater is, in general, easier and cheaper to treat than surface water, because it tends to be less polluted and hence used for drinking purposes.
Sea-water contains dissolved salt in it, hence it is not generally used for drinking purposes as it's very difficult to purify.
Water stored in the form of glaciers mostly gets dissolved into seawater after melting rendering it unfit for drinking.
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MCQ 571 Mark
Water which falls from the clouds as rain or snow is called:
  • A
    Condensation.
  • Precipitation.
  • C
    Infiltration.
  • D
    Transpiration.
Answer
Correct option: B.
Precipitation.
Precipitation.
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MCQ 581 Mark
The solid form of water is known as:
  • A
    Fog
  • B
    Dry ice
  • Ice
  • D
    None of the above
Answer
Correct option: C.
Ice
The solid form of water is known as ice.
Fog is tiny water droplets are suspended in the air.
dry ice is solid form of carbon dioxide.
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MCQ 591 Mark
What is the water cycle?
  • A
    The process of water passing out from the surface of leaves of a plant.
  • B
    Water falling from clouds in the form of rain, freezing rain, sleet, snow, or hail.
  • Movement of water from the atmosphere to the earth and then back to atmosphere.
  • D
    None of the above.
Answer
Correct option: C.
Movement of water from the atmosphere to the earth and then back to atmosphere.
The water cycle is the cyclic movement of water from the atmosphere to the earth and back to the atmosphere.
Various processes are involved in this cycle, namely, evaporation, transpiration, condensation, and precipitation.
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MCQ 601 Mark
Total earth's surface covered by water is:
  • $71\%$
  • B
    $60\%$
  • C
    $85\%$
  • D
    $50\%$
Answer
Correct option: A.
$71\%$

The total earth's surface covered by water is $71\%.$

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MCQ 611 Mark
Some of the causes for the shortage of water are:
  • A
    Day by day increasing population.
  • B
    Growing irrigation requirement of agriculture.
  • C
    Rapid growth of industries.
  • All the above.
Answer
Correct option: D.
All the above.
All the above.
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MCQ 621 Mark
Which of the following is traditional way to conserve water?
  • A
    Tube wells
  • Bawris
  • C
    Rainwater Harvesting
  • D
    None of these
Answer
Correct option: B.
Bawris
Bawris
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MCQ 631 Mark
On which day the world water day is celebrated$?$
  • A
    $23rd$ March
  • $22nd$ March
  • C
    $21st$ March
  • D
    None of these
Answer
Correct option: B.
$22nd$ March

World Water Day is an annual United Nations $(UN)$ observance day held on $22$ March that highlights the importance of fresh water.
The day is used to advocate for the sustainable management of freshwater resources.

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MCQ 641 Mark
Plants loose water in form of:
  • A
    Liquid
  • B
    Gases
  • C
    Snow
  • Water vapour
Answer
Correct option: D.
Water vapour
Transpiration is the process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the atmosphere.
Transpiration is essentially evaporation of water from plant leaves.
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MCQ 651 Mark
The large well like structure which is used in olden times for rainwater harvesting is called:
  • A
    Well
  • Bawris
  • C
    Johad
  • D
    Check $-$ dams
Answer
Correct option: B.
Bawris
Bawris
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MCQ 661 Mark
Which of the following is not an effect of acute scarcity of water on plants?
  • A
    Shortage of food.
  • B
    Shortage of oxygen.
  • Shortage of carbon dioxide.
  • D
    Shortage of rainfall.
Answer
Correct option: C.
Shortage of carbon dioxide.
Shortage of carbon dioxide.
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MCQ 671 Mark
Seeping of water into the soil is called:
  • Infiltration
  • B
    Irrigation
  • C
    Depletion
  • D
    Replenishing
Answer
Correct option: A.
Infiltration
Seeping of water into the soil is called infiltration.
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MCQ 681 Mark
The process falling water in the form of rain, snow or hail is called:
  • A
    Sublimation
  • B
    Evaporation
  • C
    Condensation
  • Precipitation
Answer
Correct option: D.
Precipitation
The process of falling water in the form of rain, snow, or hail is called precipitation.
Precipitation is water released from clouds in the form of rain, freezing rain, sleet, snow, or hail.
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MCQ 691 Mark
Top soil and petroleum are:
  • Non $-$ renewable resources
  • B
    Water cycle
  • C
    Renewable resources
  • D
    None of these
Answer
Correct option: A.
Non $-$ renewable resources
Top soil and petroleum are non $-$ renewable resources.
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MCQ 701 Mark
Purest form of natural water is:
  • Rainwater
  • B
    Ground water
  • C
    Sea water
  • D
    Spring water
Answer
Correct option: A.
Rainwater
Rain water is the purest form of natural water.
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MCQ 711 Mark
In water cycle, the maximum vaporization takes place:
  • From oceans
  • B
    From rivers
  • C
    From streams
  • D
    From plants
Answer
Correct option: A.
From oceans
$86\%$ of global evaporation occurs from the ocean due to its large surface area which directly comes in contact with sun rays and gives maximum vaporization.
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MCQ 721 Mark
Snow and ice, are present as $........$ at the poles of the earth, snow-covered mountains, and glaciers.
  • A
    Liquid form
  • The solid form
  • C
    The gaseous form
  • D
    None of the above
Answer
Correct option: B.
The solid form
Water can be found in liquid form in oceans, rivers, lakes and rain; in solid form in ice and snow; and as a gas $($water vapour$)$ in the atmosphere.
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MCQ 731 Mark
Which of the following statement is or are incorrect?
  • A
    A huge amount of water is required for the construction work.
  • B
    The increasing population needs more and more water for its day$-$to$-$day activities.
  • C
    At the time of scanty rainfall much more ground water is drawn out by the people for various purposes.
  • If there are less number of trees and plants in the forest, more rain water will seep into the ground.
Answer
Correct option: D.
If there are less number of trees and plants in the forest, more rain water will seep into the ground.
If there are less number of trees and plants in the forest, less rain water will seep into the ground.
Lesser number of trees and plants in the forest will bring less rainfall.
Deforestation leads to less rainfall as well as laser seepage of rainwater into the ground.
This depletes the water table.
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MCQ 741 Mark
The groundwater when collects between the layers of hard rocks is called:
  • Aquifer.
  • B
    Water table.
  • C
    Bawri.
  • D
    None of these.
Answer
Correct option: A.
Aquifer.
Aquifer.
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MCQ 751 Mark
This is level of ground water:
  • A
    Aquifer
  • Water table
  • C
    Sea level
  • D
    Both $(a)$ and $(b)$
Answer
Correct option: B.
Water table

Level of water is water table.

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MCQ 761 Mark
"Water water every where, Nor any drop to drink." From where does these lines are taken from?
  • A
    War and Peace
  • Rime of the Ancient Mariner
  • C
    Hind Swaraj
  • D
    None of the Above
Answer
Correct option: B.
Rime of the Ancient Mariner
"Water water everywhere, Nor any drop to drink." These are the famous lines of the poem Rime of the Ancient Mariner written by $S.T.$ Coleridge in $1798.$
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MCQ 771 Mark
Seas and oceans are full of water on earth. However, a very small percentage of water present on earth is available for us.This percentage is roughly:
  • $0. 006\%$
  • B
    $0. 06\%$
  • C
    $0. 6\%$
  • D
    $6\%$
Answer
Correct option: A.
$0. 006\%$

The total amount of fresh water available for use is about $0.006\%$ of the total water present on earth as about $97.4\%$ of the total water on earth is in seas and ocean and $2\%$ water is present in the form of glaciers and in polar ice caps.

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MCQ 781 Mark
In a quiz competition, you are asked a question where you have to choose the statement which is$/$ are incorrect?
  • A
    Depletion means reduction or lowering the amount of something.
  • B
    We draw groundwater for our use with the help of wells, tube wells, and hand pumps.
  • C
    When it rains, the rain water seeps into the ground and the groundwater is recharged.
  • None of the above
Answer
Correct option: D.
None of the above
None of the above
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MCQ 791 Mark
What percentage of the earth’s surface is covered with water?
  • A
    About $51$ percent
  • B
    About $21$ percent
  • About $71$ percent
  • D
    About $81$ percent
Answer
Correct option: C.
About $71$ percent

Rain is the source of water on earth. And about $71\%$ of the earth’s surface is covered with water.

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MCQ 801 Mark
Water is chlorinated to:
  • Kill germs
  • B
    Change colour
  • C
    Soften it
  • D
    Improve its taste
Answer
Correct option: A.
Kill germs
Water chlorination is the process of adding chlorine or chlorine compounds such as sodium hypochlorite to water.
This method is used to kill bacteria, viruses and other microbes in water.
In particular, chlorination is used to prevent the spread of waterborne diseases such as cholera, dysentery, and typhoid.
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MCQ 811 Mark
Which state of India receives least rainfall?
  • A
    Gujarat
  • Rajasthan
  • C
    Chirapunji
  • D
    West Bengal
Answer
Correct option: B.
Rajasthan
Rajasthan receives least rainfall among all.
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MCQ 821 Mark
Which of the following is the purest form of natural water?
  • A
    River water
  • B
    Filtered water
  • Rain water
  • D
    Mineral water
Answer
Correct option: C.
Rain water
Rainwater is considered to be the purest form of natural water as it directly comes from the condensation of water droplets.
During vaporization by the sun, the water evaporates from oceans, seas, rivers leaving behind all the impurities and salts and form the cloud.
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MCQ 831 Mark
The water below the ground is known as:
  • Groundwater
  • B
    Pure water
  • C
    Polluted water
  • D
    None of these
Answer
Correct option: A.
Groundwater
Groundwater, water that occurs below the surface of Earth, where it occupies all or part of the void spaces in soils or geologic strata.
It is also called subsurface water to distinguish it from surface water, which is found in large bodies like the oceans or lakes or which flows overland in streams.
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MCQ 841 Mark
When is the 'World Water Day' celebrated every year?
  • A
    $23$ December
  • $22$ March
  • C
    $14$ April
  • D
    $02$ November
Answer
Correct option: B.
$22$ March

World Water Day is celebrated on $22$ March every year to attract the attention of everybody towards the importance of conserving water.

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MCQ 851 Mark
Which of the following process will be affected due to water scarcity on plants?
  • A
    Evaporation and photosynthesis.
  • B
    Photosynthesis and respiration.
  • C
    Evaporation and respiration.
  • Photosynthesis and transpiration.
Answer
Correct option: D.
Photosynthesis and transpiration.
Plants need water to obtain nutrients from the soil, and to make food by the process of photosynthesis.
The scarcity of water will affect the nutrient uptake by the plants and the process of food making photosynthesis in plants.
The plants will not be able to make sufficient food for themselves and for animals.
Remember, plants help in bringing rain by releasing a lot of water vapor into the atmosphere through transpiration. Scarcity of water for plants will reduce transpiration also.
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MCQ 861 Mark
Which of the following does not deplete the water table at a place?
  • A
    Increasing number of tubewells.
  • B
    Increasing deforestation.
  • C
    Scanty rainfall.
  • Increasing snowfall.
Answer
Correct option: D.
Increasing snowfall.
Increasing snowfall.
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MCQ 871 Mark
In a science quiz competition, Shalu are asked a question where she had to choose the statement which was$/$ were correct?
  • A
    The main source of groundwater is the rain.
  • B
    The water found below the water table is called groundwater.
  • C
    The underground layer of soil and permeable rocks in which water collects under the ground is called an aquifer.
  • All the above
Answer
Correct option: D.
All the above
All the above
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MCQ 881 Mark
Which of the following is not a way to conserve water?
  • Replace
  • B
    Reduce
  • C
    Reuse
  • D
    Recycle
Answer
Correct option: A.
Replace
Replace is not a way to conserve water.
Following are the three ways to conserve water:
Reduce: Use only as much water as you need. Dont waste water.
Reuse: Water which is left after washing the vegetables and cloths should be used for mopping.
Recycle: Sewage and effluents should be treated before being flown into rivers or ponds.
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MCQ 891 Mark
The ultimate source of water on the earth is:
  • A
    Oceans and seas
  • B
    Spring and wells
  • C
    Rivers and lakes
  • Rain
Answer
Correct option: D.
Rain
The ultimate source of water on the earth is rain as every water cycle begins with rain and ends in rain.
Rain water is the purest form of water that is available to us.
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MCQ 901 Mark
On which of the following day is World Water Day observed?
  • $22$ March.
  • B
    $14$ November.
  • C
    $2$ October.
  • D
    $21$ December.
Answer
Correct option: A.
$22$ March.
$22$ March is celebrated as the World Water Day.
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MCQ 911 Mark
What from this source cannot be consumed?
  • A
    Lake
  • B
    Rain
  • C
    River
  • Sea
Answer
Correct option: D.
Sea
This source cannot be consumed from sea.
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MCQ 921 Mark
Which of the following is considered as a primary source of water?
  • Rainwater
  • B
    River water
  • C
    Pond water
  • D
    Groundwater
Answer
Correct option: A.
Rainwater
Rainwater is the primary source of water. It is considered as a pure and fresh form of water.
It fills up rivers and ponds and also collects as groundwater.
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MCQ 931 Mark
A man digging the ground near a water body found that the soil was moist. As he kept digging deeper and deeper he reached a level, where all the spaces between particles of soil and gaps between rocks where filled with water. The upper limit of this layer is called:
  • A
    Water level
  • Water table
  • C
    Ground water
  • D
    Water limit
Answer
Correct option: B.
Water table
The upper limit of the layer where water is present between particles of soil and gaps between rocks is called water table and water below this layer is called groundwater.
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MCQ 941 Mark
Choose the correct option. 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.
  • Of the world remains constant.
Answer
Correct option: D.
Of the world remains constant.
Of the world remains constant.
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MCQ 951 Mark
In which year was 'Ganga Action Plan' launched$?$
  • A
    $1986$
  • $1985$
  • C
    $1988$
  • D
    $1990$
Answer
Correct option: B.
$1985$

An ambitious plan to save the river Ganga called the Ganga Action Plan was launched in $1985.$
It aimed to reduce the pollution levels in the river.

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MCQ 961 Mark
How many forms of water are there?
  • A
    Only one
  • B
    Only two
  • Only three
  • D
    None of those
Answer
Correct option: C.
Only three
Only three
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MCQ 971 Mark
$........$ allows the water to seep in easily
  • A
    Pukka floor.
  • Grass lawn.
  • C
    Cement floor.
  • D
    Marble Floor.
Answer
Correct option: B.
Grass lawn.
Grass lawn.
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MCQ 981 Mark
Which of the following statement is or are correct$?$
  • A
    Water is essential for the existence of life.
  • B
    Without water, there would be no living things on the earth.
  • C
    Actually about $71\%$ of the earth’s surface is covered with water.
  • All the above
Answer
Correct option: D.
All the above
All the above
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MCQ 991 Mark
The process of ground water getting stored between the layers of hard rock below the water table is known as:
  • A
    Infiltration.
  • Aquifer.
  • C
    Water table.
  • D
    Bawri.
Answer
Correct option: B.
Aquifer.
Aquifer.
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MCQ 1001 Mark
What role you can play to minimize wastage of water:
  • A
    Get the leaking taps repaired immediately because these taps waste a lot of water.
  • B
    Take bath by filling water in a bucket and not directly under the flowing tap.
  • C
    Use the water from washing rice, vegetables or fruits for watering the plants at home.
  • All the above
Answer
Correct option: D.
All the above
All the above
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MCQ 1011 Mark
Clouds are:
  • Tiny drops of water floating in the air.
  • B
    Mixture of dust and water vapour.
  • C
    Particles of water vapour.
  • D
    Raindrops in the air.
Answer
Correct option: A.
Tiny drops of water floating in the air.
Water vapour condenses in the air and forms tiny droplets of water that float foamy in air, known as clouds.
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MCQ 1021 Mark
Which state of India gets the least rainfall?
  • A
    Uttar Pradesh
  • B
    Maharashtra
  • C
    Bihar
  • Rajasthan
Answer
Correct option: D.
Rajasthan
Rajasthan is a deseert so receives very less rainfall.
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MCQ 1031 Mark
The ground water bearing layer of the earth which is below the water table is:
  • A
    Water table
  • B
    Sea level
  • Aquifer
  • D
    None of these
Answer
Correct option: C.
Aquifer
Aquifer is the place where the ground water is stored between layer of hard rock below the water table.
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MCQ 1041 Mark
Main source of water on earth is:
  • Rain
  • B
    Snow
  • C
    Glaciers
  • D
    All the above
Answer
Correct option: A.
Rain
The main source of water is the rainwater.
The water cycle is a process that involves evaporation, condensation and precipitation and the output is rainwater.
The water source is important in the water cycle.
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MCQ 1051 Mark
Which dried river in Rajasthan was revived?
  • A
    Mahi
  • Sarsa
  • C
    Beas
  • D
    Luni
Answer
Correct option: B.
Sarsa
Arveri, Ruparel, Sarsa, Bhagani and Jahazwali rivers in Rajasthan were dry and were revived by constructing water$-$harvesting structures.
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MCQ 1061 Mark
Which of the following is the basic necessity for all the living beings?
  • A
    Vehicle
  • Water
  • C
    Soil
  • D
    None of the Above
Answer
Correct option: B.
Water
Water is the basic necessity for all terrestrial forms of life. About $70\%$ weight of human beings has water.
It is very important for the existence of life on Earth.
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MCQ 1071 Mark
Which of the following is a way to use water economically?
  • A
    Construction of bawris.
  • B
    Rainwater harvesting.
  • Drip irrigation.
  • D
    Infiltration.
Answer
Correct option: C.
Drip irrigation.
Drip irrigation.
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MCQ 1081 Mark
Which one of the following is not responsbile for water shortage?
  • A
    Rapid growth of industries.
  • B
    Increasing population.
  • Heavy rainfall.
  • D
    Mismanagement of water resources.
Answer
Correct option: C.
Heavy rainfall.
Heavy rainfall.
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MCQ 1091 Mark
The water bearing layer of the earth is called:
  • A
    Conifer
  • B
    Hydrosphere
  • Aquifer
  • D
    Water table
Answer
Correct option: C.
Aquifer
The main source of groundwater is the rain.
The impermeable rock does not allow water to pass through it.
So, water starts collecting above the impermeable rock and fills the soil and permeable rocks completely with water up to the level known as water table.
The underground layer of soil and permeable rocks in which water collects under the ground is called an aquifer.
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MCQ 1101 Mark
Which of the following is the most important factor in balancing the amount of fresh water on earth?
  • Water cycle
  • B
    Green house effect
  • C
    Wastewater treatment plants
  • D
    Transpiration
Answer
Correct option: A.
Water cycle
Out of all the options, option A is correct as water cycle is the most important factor in balancing the amount of fresh water on earth.
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MCQ 1111 Mark
River Yamuna is polluted near Delhi due to:
  • A
    Thermal plant on its bank
  • B
    Water animals
  • Addition of untreated sewage
  • D
    Rivers joining it
Answer
Correct option: C.
Addition of untreated sewage
Essentially, the release of poorly treated or even completely untreated sewage is responsible for the frothing and foaming of the river water.
Surfactants and phosphates that originate from detergents used in households and industrial laundries, when released in the river untreated, create the foam.
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MCQ 1121 Mark
What is the main source of drinking water for us?
  • A
    Oceans
  • B
    Glaciers
  • C
    Rivers
  • Groundwater
Answer
Correct option: D.
Groundwater
Groundwater is the main source of drinking water for us.
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MCQ 1131 Mark
The process of seeping of water into the ground is called:
  • Infiltration.
  • B
    Aquifer.
  • C
    Water table.
  • D
    Bawri.
Answer
Correct option: A.
Infiltration.
Infiltration.
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MCQ 1141 Mark
The percentage of water in a human body is:
  • A
    $80\%$
  • $70\%$
  • C
    $60\%$
  • D
    $50\%$
Answer
Correct option: B.
$70\%$

The percentage of water in the human body is $70\%.$
Different parts of the body contain different percentages of water and the average $≈70\%.$

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MCQ 1151 Mark
On which of the following day is “World Water Day” observed?
  • $22$ March
  • B
    $14$ November
  • C
    $2$ October
  • D
    $21$ December
Answer
Correct option: A.
$22$ March

$22$ March is celebrated as the World Water Day.

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MCQ 1161 Mark
The circulation of water between ocean and land is known as the:
  • A
    Oxygen cycle
  • Water cycle
  • C
    Nitrogen cycle
  • D
    None of these
Answer
Correct option: B.
Water cycle
The circulation of water between ocean and land is known as water cycle.
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MCQ 1171 Mark
Steam is which form of water?​
  • A
    Solid
  • B
    Liquid
  • Gas
  • D
    None of these
Answer
Correct option: C.
Gas
Steam is water in the gas phase.
Steam that is saturated or superheated is invisible; however, "steam" often refers to wet steam, the visible mist or aerosol of water droplets formed as water vapour condenses.
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MCQ 1181 Mark
What are main sources of water?
  • A
    Rainwater.
  • B
    Glaciers, ice.
  • C
    sea and Ocean water.
  • All of the above.
Answer
Correct option: D.
All of the above.
d. All of the above.
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MCQ 1191 Mark
One of these is not a source of surface water:
  • A
    Rain
  • B
    River
  • Lake
  • D
    Spring
Answer
Correct option: C.
Lake
Spring is not a source of surface water.
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MCQ 1201 Mark
Which one of the following is not responsible for water shortage?
  • A
    Rapid growth of industries.
  • B
    Increasing population.
  • Heavy rainfall.
  • D
    Mismanagement of water resources.
Answer
Correct option: C.
Heavy rainfall.
Heavy rainfall does not cause water shortage as it fills up the rivers, lakes and ponds and also replenishes groundwater.
On the other hand, rapid industrialisation, population growth and mismanagement of water resources leads to water shortage because of overuse of water.
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MCQ 1211 Mark
Rainwater harvesting is a method of:
  • Collecting rainwater and directing into ground.
  • B
    Producing water for future use.
  • C
    Using rain water for daily purpose.
  • D
    All of these.
Answer
Correct option: A.
Collecting rainwater and directing into ground.
Collecting rainwater and directing into ground.
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MCQ 1221 Mark
Sanjeev is doing his homework which is given by his teacher. Would you help him to choose the incorrect sentences?
  • A
    Condensation of water vapor forms clouds.
  • B
    The trees and plants put some of this water into air as water vapor by the process of transpiration.
  • C
    The process of seeping of water into the ground is called infiltration.
  • None of the above
Answer
Correct option: D.
None of the above
None of the above
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MCQ 1231 Mark
What happens if it doesn't rain for a long time?
  • Ponds and wells dry up.
  • B
    Level of groundwater increases.
  • C
    There is no shortage of water.
  • D
    It causes water pollution.
Answer
Correct option: A.
Ponds and wells dry up.
When it does not rain for a long time, the grounwater is not replenished.
So, the level of groundwater decreases and wells and ponds dry up.
There is shortage of water. But lack of rainfall is not a direct cause of water pollution.
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MCQ 1241 Mark
Water is found in:
  • A
    Solid form
  • B
    Liquid form
  • C
    Gaseous form
  • All of these
Answer
Correct option: D.
All of these
All of these
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MCQ 1251 Mark
As per the United Nations what is the minimum amount of water required for a person?
  • A
    $100$ litre
  • $50$ litre
  • C
    $10$ litre
  • D
    $20$ litre
Answer
Correct option: B.
$50$ litre

These uses ordinarily include drinking, personal sanitation, washing of clothes, food preparation and personal and household hygiene.
According to the World Health Organization $(WHO),$ between $50$ and $100$ litres of water per person per day are needed to ensure that most basic needs are met.

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MCQ 1261 Mark
Water and forest are:
  • A
    Non $-$ renewable resources
  • B
    Water cycle
  • Renewable resources
  • D
    None of these
Answer
Correct option: C.
Renewable resources
Water and forest are renewable resources.
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MCQ 1271 Mark
Snow and ice, is present as ice caps in the form of:
  • A
    Liquid
  • Solid
  • C
    Gas
  • D
    None of these
Answer
Correct option: B.
Solid
Snow and ice is present in the form of solids.
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MCQ 1281 Mark
Which of the following are not the liquid forms of water?
  • Snow
  • B
    Lake water
  • C
    River water
  • D
    Ice
Answer
Correct option: A.
Snow
Snow is the solid form of water.
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MCQ 1291 Mark
Water used for washing vegetables may be used $........$
  • A
    As drinking water
  • To water plants in the garden
  • C
    As medicine
  • D
    None of the above
Answer
Correct option: B.
To water plants in the garden
Water used for washing vegetables may be used to water plants in the garden.
But cannot be used for drinking or as medicine.
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MCQ 1301 Mark
Which of the following will lead to reduction in availability of ground water?
  • A
    Plantation
  • B
    Rain water harvesting
  • C
    Constructing more lakes
  • Building concrete roads
Answer
Correct option: D.
Building concrete roads
Most of the land is covered with concrete and this reduces the seepage of rainwater into the ground which ultimately affects the availability of ground water.
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MCQ 1311 Mark
Water is present in lakes in the form of:
  • A
    Solid
  • Liquid
  • C
    Gas
  • D
    None of these
Answer
Correct option: B.
Liquid
Water is present in the form of liquid.
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MCQ 1321 Mark
How are people getting water now?
  • A
    From Jal Board water tanker
  • B
    From taps
  • C
    From the handpump
  • All of these
Answer
Correct option: D.
All of these
Nowadays, people in different cities get water differently.
Some gets it from the Jal Board water tanker, some get in inside their house through taps.
Some have to fill buckets from handpump.
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MCQ 1331 Mark
The water vapour is present in the air, in the form of:
  • A
    Solid
  • B
    Liquid
  • Gas
  • D
    None of these
Answer
Correct option: C.
Gas
Water vapour is present in the form of gas.
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MCQ 1341 Mark
In a science quiz competition, Latika are asked a question where she had to choose the statement which was$/$ were incorrect?
  • A
    A place called Bhujpur in the Kutch area of Gujarat state has a very erratic rainfall.
  • B
    In $1989,$ the village people along with a Non $-$ Government Organization $\text{(NGO)}$ decided to harvest rainwater.
  • C
    Rajasthan is hot and dry place which gets a meagre rainfall.
  • The scarcity of water will not affect the nutrient, uptake by the plants and the process of food making photosynthesis in plants.
Answer
Correct option: D.
The scarcity of water will not affect the nutrient, uptake by the plants and the process of food making photosynthesis in plants.
The scarcity of water will affect the nutrient uptake by the plants and the process of food making $($photosynthesis$)$ in plants.
So, due to scarcity of water, the plants will not be able to make sufficient food for themselves and for animals $($including human beings$).$
This will lead to severe shortage of food leading to famine.
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MCQ 1351 Mark
Water harvesting is done by $.........$ processes.
  • A
    Rainwater
  • B
    Groundwater
  • Both $A$ and $B$
  • D
    Atmospheric water
Answer
Correct option: C.
Both $A$ and $B$
Water Harvesting
It means storing rain where it falls or storing the run off in your own village or town.
And taking measures to keep that water clean by not allowing polluting activities to take place in our locality.
It can be done by two major processes:
  1. Rainwater harvesting
It is a method of collection and storage of rainwater into natural reservoirs or tanks or the infiltration of surface water into subsurface aquifers.
  1. Groundwater harvesting
Groundwater harvesting is a method to save water placed under the ground to control the groundwater flow in an aquifer and to raise the water table.
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MCQ 1361 Mark
$.........$ is the major source of fresh water.
  • Groundwater
  • B
    Sea $-$ water
  • C
    Lake
  • D
    None of the above
Answer
Correct option: A.
Groundwater
Groundwater and surface waters are the major sources of fresh water in India.
Groundwater is the water present beneath the earth's surface which can be extracted in various ways.
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MCQ 1371 Mark
Water in our tap comes from:
  • A
    River
  • B
    Lake
  • C
    Well
  • All of the above
Answer
Correct option: D.
All of the above
River, lake, well are the natural storage and sources of water.
We draw water from these sources for daily usage.
Conclusion: Sources of tap water are rivers, lakes, and wells.
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MCQ 1381 Mark
The solid parts of the earth’s crust called:
  • A
    Atmosphere
  • Lithosphere
  • C
    Hydrosphere
  • D
    None of these
Answer
Correct option: B.
Lithosphere
The outermost layer, called the crust, is solid, too. Together, these solid parts are called the lithosphere. Earth's crust is made up of hard rocks.
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MCQ 1391 Mark
Addition of harmful substance in water leads to:
  • A
    Algal bloom
  • B
    Microbial growth
  • C
    High oxygen demand
  • Water pollution
Answer
Correct option: D.
Water pollution
The addition of any substance to water, which leads to change in its physical and chemical characteristic, is defined as water pollution.
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MCQ 1401 Mark
Renewable resources need to be conserved because:
  • We should not use them faster than they are replenished by nature.
  • B
    They are slowly disappearing from the earth.
  • C
    If we overuse them, nature will stop replacing them.
  • D
    None of these
Answer
Correct option: A.
We should not use them faster than they are replenished by nature.
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MCQ 1411 Mark
Read the following sentences carefully, and choose the correct one:
  • A
    The highly salty sea water can be made fit for human use but it is very, very expensive to do so.
  • B
    For millions of years of fresh water supply on land has been maintained by the water cycle.
  • C
    The trees and plants suck ground water through their roots.
  • All the above
Answer
Correct option: D.
All the above
All the above
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MCQ 1421 Mark
In wells, boring and hand pumps water comes from:
  • A
    Sea
  • B
    Rivers
  • Ground water
  • D
    None of these
Answer
Correct option: C.
Ground water
In wells, boring and hand pumps water comes horn ground water.
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MCQ 1431 Mark
Consider the following statements and choose the incorrect one:
  • A
    The saline water of seas and oceans is not fit for human consumption.
  • B
    The water which is fit for use by human beings is called fresh water.
  • C
    The readily available fresh water for use by human beings is only is $0.014\%$ of all the fresh water present on the earth.
  • None of the above
Answer
Correct option: D.
None of the above
None of the above
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MCQ 1441 Mark
The amount of water recommended by the United Nations for drinking, washing, cooking and maintaining proper hygiene is a minimum of __________ per person per day.
  • A
    $200$ litres
  • B
    $150$ litres
  • C
    $100$ millilitres
  • $50$ litres
Answer
Correct option: D.
$50$ litres

The amount of water recommended by the United Nations for drinking, washing, cooking and maintaining proper hygiene is a minimum of $50$ litres per person per day.

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MCQ 1451 Mark
Water that moves over the surface of the ground into lakes and rivers is called:
  • A
    Ground water
  • B
    A water table
  • Run $-$ off
  • D
    The water cycle
Answer
Correct option: C.
Run $-$ off
The run $-$ off process leads water towards lakes and rivers.
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MCQ 1461 Mark
Activities which involve wastage of water are:
  • A
    Washing.
  • B
    Using the taps which are Leaking.
  • C
    Bathing.
  • All of the above.
Answer
Correct option: D.
All of the above.
All of the above.
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MCQ 1471 Mark
The process of changing water vapour into water is called:
  • A
    Boiling
  • Condensation
  • C
    Evaporation
  • D
    Sedimentation
Answer
Correct option: B.
Condensation
The process of changing water vapour into water is called condensation.
This is due to the change of gaseous state of water into liquid state.
Some common examples of condensation are Formation of drops of water on the outside of a glass of ice water. ,Formation of dew on grass overnight.
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MCQ 1481 Mark
The circulation of water from the surface of the earth to the atmosphere and back to the surface is known as:
  • A
    Water circle
  • Water cycle
  • C
    Water round
  • D
    None of the above
Answer
Correct option: B.
Water cycle
The water cycle refers to the continuous cycle of water as it evaporates from the surface of the earth, rises into the atmosphere, cools and condenses into rain or snow in clouds, and falls again to the surface as precipitation.
This water then collects in rivers and lakes, soil, etc. and flows back into the oceans.
From there, it evaporates again to reach the atmosphere.
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MCQ 1491 Mark
The solid form, snow and ice, is present $........$ of the earth.
  • At the poles.
  • B
    At the equator.
  • C
    Present in the atmosphere of the earth.
  • D
    In the oceans.
Answer
Correct option: A.
At the poles.
At the poles.
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