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Science [1 Marks Each] M.C.Q.

Water · MP Board (MPBSE) STD 6 (Madhya Pradesh - English Medium). 159 questions.

Questions · Page 3 of 4

[1 Marks Each] M.C.Q.

MCQ 1011 Mark
Identify the source of ground water.
  • A
    Sub-soil water.
  • B
    River water.
  • ✓
    Rainwater.
  • D
    All of the above.
Answer
Correct option: C.
Rainwater.
Rain water is the source of ground water.
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MCQ 1021 Mark
By boiling process water converts into:
  • ✓
    Water vapour
  • B
    Snow
  • C
    Hail
  • D
    Cloud
Answer
Correct option: A.
Water vapour
In boiling water absorbs heat and transfer to vapour state.
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MCQ 1031 Mark
DIRECTIONS: Read the passage $(s)$ given below and answer the questions that/ allow Passage - If we put some water in a plate and allow the plate to lie in open in sunlight we find that the water from the plate disappears. Moreover even if we keep the plate in shade the water still disappears. If we take sea water in plate and allow it to stand in sunlight till whole of the water disappears, we find that:
  • ✓
    Nothing is left in the plate.
  • B
    Some solid is left behind.
  • C
    Some liquid is left behind.
  • D
    None of the above is correct.
Answer
Correct option: A.
Nothing is left in the plate.
Salts dissolved in sea water are left as solid residue.
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MCQ 1041 Mark
DIRECTIONS: Read the passage (s) given below and answer the questions that/ allow Passage - If we put some water in a plate and allow the plate to lie in open in sunlight we find that the water from the plate disappears. Moreover even if we keep the plate in shade the water still disappears. The process of disappearance of water from the plate occurs
  • ✓
    Rapidly in sunlight.
  • B
    Rapidly in shade.
  • C
    With same speed in day and night.
  • D
    Occurs only in day time.
Answer
Correct option: A.
Rapidly in sunlight.
Rapidly in sunlight.
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MCQ 1051 Mark
At some places water coming from the underground contains a lot of dissolved minerals and is called:
  • A
    Underground water.
  • ✓
    Spring.
  • C
    Natural water.
  • D
    None of these.
Answer
Correct option: B.
Spring.
Spring.
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MCQ 1061 Mark
Instrument, which is used to detect and monitor rain is:
  • A
    Reengage
  • ✓
    Weather radar
  • C
    PH meter
  • D
    Hydrometer
Answer
Correct option: B.
Weather radar
Weather radar
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MCQ 1071 Mark
$X$ is a process by which plants lose water. What is $X?$
  • A
    Evaporation.
  • ✓
    Transpiration.
  • C
    Condensation.
  • D
    Translocation.
Answer
Correct option: B.
Transpiration.

Transpiration is a process by which plants lose water.

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MCQ 1081 Mark
DIRECTIONS: Read the passage $(s)$ given below and answer the questions that/ allow Passage - Apart from drinking, there are so many activities for which we use water. Most of the water is in oceans and seas. We draw drinking water from taps which is further drawn from a well or a lake etc. We need water for:
  • A
    Industries.
  • B
    Producing many things.
  • ✓
    Both the above.
  • D
    None of these.
Answer
Correct option: C.
Both the above.
Both the above.
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MCQ 1091 Mark
The percentage of water in potato is:
  • A
    $88$
  • ✓
    $75$
  • C
    $90$
  • D
    $95$
Answer
Correct option: B.
$75$
$75$ of potato is water.
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MCQ 1101 Mark
Plants need water to:
  • A
    Grow.
  • B
    Cook food.
  • C
    None of these.
  • ✓
    Both $(a)$ and $(b).$
Answer
Correct option: D.
Both $(a)$ and $(b).$
Both $(a)$ and $(b).$
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MCQ 1111 Mark
Which of the following is $NOT$ one of the processes including in water cycle$?$
  • A
    Condensation
  • B
    Evaporation
  • C
    Precipitation
  • ✓
    Erosion
Answer
Correct option: D.
Erosion

Erosion is not a part of water cycle.

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MCQ 1121 Mark
Why do we always see a lightning before we hear thunder?
  • A
    Because lightning occurs first.
  • ✓
    Because light travels faster than sound.
  • C
    Because thunder occurs late.
  • D
    Because sound travels fester than light.
Answer
Correct option: B.
Because light travels faster than sound.
The speed of light $(3\times108\frac{\text{m}}{\text{s}})$ is more than speed of sound $332\frac{\text{m}}{\text{s}}$ in air.
So, we can see lightning before we hear thunder.
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MCQ 1131 Mark
Ocean water reaches us:
  • A
    By rivers.
  • B
    By ponds.
  • ✓
    By water cycle.
  • D
    All of these.
Answer
Correct option: C.
By water cycle.
By water cycle.
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MCQ 1141 Mark
Ice changes to water through the process of:
  • A
    Freezing
  • B
    Evaporation
  • ✓
    Melting
  • D
    Condensation
Answer
Correct option: C.
Melting
In melting solid after absorbing heat converts into liquid.
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MCQ 1151 Mark
Lightning contains millions of volts of electricity. $(2)$ Direct lightning are usually fatal. Which statements) is/are correct?
  • A
    $1$ only
  • B
    $2$ only
  • ✓
    Both $(1)$ and $(2)$
  • D
    Neither $(1)$ nor $(2)$
Answer
Correct option: C.
Both $(1)$ and $(2)$
Both $(1)$ and $(2)$
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MCQ 1161 Mark
What is the sound of thunder caused by a nearby main trunk airwave?
  • A
    Sharp crakle
  • B
    Low rumble
  • ✓
    Loud crash
  • D
    Feeble crash
Answer
Correct option: C.
Loud crash
Loud crash
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MCQ 1171 Mark
DIRECTIONS: Match Column$-I$ with Column$-II$ and select the correct answer using the codes given below the columns.
S.No.
Column-$I$
S.No.
Column-$II$
$A$
Drought.
$(p)$
Slow process.
$B$
Surface water.
$(q)$
Rivers, ponds etc.
$C$
Evaporation.
$(r)$
Loss of water by plants.
$D$
Transpiration.
$(s)$
Absence of rains for a long time.
  • ✓
    $A\rightarrow (s); B\rightarrow (q); C\rightarrow (p); D\rightarrow (r).$
  • B
    $A\rightarrow (s); B\rightarrow (r); C\rightarrow (q); D\rightarrow (p).$
  • C
    $A\rightarrow (s); B\rightarrow (p); C\rightarrow (q); D\rightarrow (r).$
  • D
    $A\rightarrow (p); B\rightarrow (s); C\rightarrow (r); D\rightarrow (q).$
Answer
Correct option: A.
$A\rightarrow (s); B\rightarrow (q); C\rightarrow (p); D\rightarrow (r).$
$A\rightarrow (s); B\rightarrow (q); C\rightarrow (p); D\rightarrow (r).$
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MCQ 1181 Mark
Ground water gets recharged by the Mr process of:
  • A
    Aquification.
  • B
    Transpiration.
  • ✓
    Infiltration.
  • D
    Transportation.
Answer
Correct option: C.
Infiltration.
Ground water gets recharged by the process of infiltration.
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MCQ 1191 Mark
Water cycle can be represented as.

The process that occurs in step $'A'$ is called:
  • ✓
    Evaporation.
  • B
    Transpiration.
  • C
    Condensation.
  • D
    None of these.
Answer
Correct option: A.
Evaporation.
Evaporation.
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MCQ 1201 Mark
Wells are fed by:
  • A
    Pond water.
  • B
    Lake water.
  • C
    Rain water.
  • ✓
    Ground water.
Answer
Correct option: D.
Ground water.
Wells are fed by groundwater. The underground water can be taken out by digging a well into the ground. It is called well water.
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MCQ 1211 Mark
Which of the following is incorrect? m an event of lightning, we should:
  • A
    Not hold any metallic pipes.
  • ✓
    Stand under a tree if in a plain area.
  • C
    Remove all metallic objects from our pockets if in a plain area.
  • D
    Disconnect all electrical appliances connected to external antenna.
Answer
Correct option: B.
Stand under a tree if in a plain area.
Stand under a tree if in a plain area.
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MCQ 1221 Mark
At the time of cloud formation, heat is released into the atmosphere? It is true:
  • ✓
    Yes
  • B
    No
  • C
    Sometimes
  • D
    Cannot say
Answer
Correct option: A.
Yes
Since, water vapour is cool down while forming clouds, so heat is released in this process.
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MCQ 1231 Mark
Given in the figure are four containers that contain the same amount of water.

In which of the following containers will water evaporate the slowest?
  • A
    $Q.$
  • B
    $R.$
  • C
    $P.$
  • ✓
    $S.$
Answer
Correct option: D.
$S.$

Container $S$ (a flask) has the smallest surface area of water exposed to the atmosphere. Thus, the rate of evaporation will be the slowest in flask $S.$

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MCQ 1241 Mark
Where is the most water found on Earth?
  • A
    In glaciers
  • B
    In lakes
  • C
    In rivers
  • ✓
    In oceans
Answer
Correct option: D.
In oceans
Oceans are the biggest source of water on the earth.
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MCQ 1251 Mark
Lightning can never strike the same place twice.
  • A
    It is true
  • ✓
    It is false
  • C
    Maybe
  • D
    May not be
Answer
Correct option: B.
It is false
Lightning can strike the same place more than once.
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MCQ 1261 Mark
If various steps of water cycle are marked as below: $A$ for rains $B$ for evaporation of water $C$ for water in rivers and lakes $D$ for cloud formation If we take $B$ as the first step in water cycle then the correct arrangement of letters $A, B, C$ and $D$ to correctly represent the water cycle will be:
  • ✓
    $B, D, A, C.$
  • B
    $B, A, C, D.$
  • C
    $B, C, D, A.$
  • D
    $B, D, C, A.$
Answer
Correct option: A.
$B, D, A, C.$
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MCQ 1271 Mark
Why do you feel cool after you start sweating?
  • ✓
    Evaporation of water droplets.
  • B
    Condensation of water droplets.
  • C
    Freezing of water droplets.
  • D
    Solidification of salts in the water droplets.
Answer
Correct option: A.
Evaporation of water droplets.
During summer, water, from our body as sweat. Evaporation causes cooling because water droplets present on the skin require some heat to evaporate, which they take from the body.
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MCQ 1281 Mark
Human body contains water up to:
  • A
    $90\%.$
  • B
    $50\%.$
  • ✓
    $70\%.$
  • D
    $80\%.$
Answer
Correct option: C.
$70\%.$
Human body contains water upto $70\%.$
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MCQ 1291 Mark
Mrs. Uma has put a wet cloth to dry as shown below.

Which part of the towel will dry faster$?$
  • A
    $X.$
  • B
    $Y.$
  • ✓
    $Z.$
  • D
    Either $X$ or $Y.$
Answer
Correct option: C.
$Z.$

 The effect of wind will be more towards the bottom part of the towel as this part is free. Thus, part $Z$ will dry faster than the other parts of the towel.

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MCQ 1301 Mark
The process of transferring the charge from a charged object to the earth is called:
  • ✓
    Earthing
  • B
    Discharging
  • C
    Transferring
  • D
    Charging
Answer
Correct option: A.
Earthing
Lightning conductor thus is used to protect buildings from lightning is earthed so that atmospheric charge reached deep inside the earth.
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MCQ 1311 Mark
Which of the following is an example of reuse of water to prevent its wastage?
  • A
    By reusing the water from washing clothes to cook.
  • B
    By discharging factory waste in rivers and canals.
  • C
    By discharging sewage and waste materials into oceans.
  • ✓
    By reusing the water from washing clothes to wash floor.
Answer
Correct option: D.
By reusing the water from washing clothes to wash floor.
By reusing the water from washing clothes to wash floor.
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MCQ 1321 Mark
Hardness of water is due to presence of:
  • A
    Salts of calcium.
  • ✓
    Salts of magnesium.
  • C
    Both $(a)$ and $(b).$
  • D
    None of these.
Answer
Correct option: B.
Salts of magnesium.
Salts of magnesium.
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MCQ 1331 Mark
Which of these occurs due to condensation?
  • A
    The drying of wet clothes.
  • ✓
    Water drops appearing on the outer side of a cool water bottle.
  • C
    Steam rising from wet clothes when they are ironed.
  • D
    Black board gets dried after it is wiped with wet cloth.
Answer
Correct option: B.
Water drops appearing on the outer side of a cool water bottle.
Condensation is the change in the state of matter from the gas into liquid droplets.
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MCQ 1341 Mark
What would happen if it does not rain in a region for a year?
  • A
    Soil will become dry
  • B
    Water bodies will become dry
  • C
    There will be condition called draught.
  • ✓
    All of the above.
Answer
Correct option: D.
All of the above.
All of the above.
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MCQ 1351 Mark
Which is a result of condensation of water vapours?
  • A
    Rain
  • B
    Snowfall
  • C
    Hail
  • ✓
    Tiny water droplets
Answer
Correct option: D.
Tiny water droplets
Water vapour, being brighter, rises up in the atmosphere and cools down. It further condenses to form tiny droplets.
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MCQ 1361 Mark
What causes puddles to get smaller and smaller?
  • A
    Condensation
  • ✓
    Evaporation
  • C
    Precipitation
  • D
    The Sun
Answer
Correct option: B.
Evaporation
Evaporation
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MCQ 1371 Mark
Why is water scarcity increasing day by day?
  • A
    Water cycle has stopped functioning.
  • B
    The total amount of water on earth has decreased.
  • ✓
    The consumption of water has increased.
  • D
    There is an increasing frequency of floods.
Answer
Correct option: C.
The consumption of water has increased.
Water is becoming scarce due to over usage and wastage of water due to improper use.
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MCQ 1381 Mark
How much of Earth's water is fresh water$?$
  • A
    $97\%$
  • B
    $50\%$
  • ✓
    $3\%$
  • D
    $1\%$
Answer
Correct option: C.
$3\%$

 Only $2.6\%$ of total water is fit for human consumption.

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MCQ 1391 Mark
What does heat from the sun cause liquid water to do?
  • ✓
    Evaporate into the air
  • B
    Travel deeper into the soil
  • C
    Change into a solid
  • D
    Fall from clouds as rain
Answer
Correct option: A.
Evaporate into the air
As the temperature rises liquid water evaporates into the air.
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MCQ 1401 Mark
The water cycle begins with:
  • A
    Condensation
  • B
    Evaporation
  • C
    Precipitation
  • ✓
    The water cycle has no beginning or end.
Answer
Correct option: D.
The water cycle has no beginning or end.
Since, water cycle is a cyclic process, so it can be start from any stage.
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MCQ 1411 Mark
The water vapours, that are formed by evaporation of sea water:
  • ✓
    Consist of pure water.
  • B
    Contains dissolved salts in it.
  • C
    Both the above.
  • D
    None of these.
Answer
Correct option: A.
Consist of pure water.
It is pure water. Salts are left behind in evaporation.
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MCQ 1421 Mark
Circulation of water between ocean and land is known as:
  • ✓
    Water cycle
  • B
    Rain cycle
  • C
    Water management
  • D
    Water harvesting
Answer
Correct option: A.
Water cycle
Constant flow of water from the earth to the atmosphere and back to the earth is known as water cycle.
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MCQ 1431 Mark
Select the process that plays an important role in bringing water back to earth.
  • A
    Evaporation.
  • ✓
    Condensation.
  • C
    Transpiration.
  • D
    None of these.
Answer
Correct option: B.
Condensation.
Condensation plays an important role in bringing water back to earth.
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MCQ 1441 Mark
Which of the following statements is incorrect?
  • A
    Water evaporates from plants, animals and oceans.
  • ✓
    Animals living in water are not harmed during the floods.
  • C
    Vegetation cannot thrive during droughts.
  • D
    Water available for human use is very limited during floods.
Answer
Correct option: B.
Animals living in water are not harmed during the floods.
Flood water is heavily polluted and also animals living in water get displaced from their original habitat.
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MCQ 1451 Mark
Which is not a part of water cycle?
  • A
    Cloud formation
  • B
    Rain
  • ✓
    Drinking by animals
  • D
    Sun
Answer
Correct option: C.
Drinking by animals
Drinking by animals.
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MCQ 1461 Mark
What is rain water harvesting?
  • A
    Storing ground water present in wells.
  • B
    Stopping the cultivation of crops to save water.
  • C
    The seeping of water into the ground.
  • ✓
    Collecting rainwater and storing it for future use.
Answer
Correct option: D.
Collecting rainwater and storing it for future use.
The collecting and storing of rain water in special pits for future use is called rain water harvesting.
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MCQ 1471 Mark
Which of the following is not a form of precipitation?
  • A
    Hailstorm.
  • B
    Snow.
  • C
    Rain.
  • ✓
    None of these.
Answer
Correct option: D.
None of these.
None of these.
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MCQ 1481 Mark
Which of the following statement$(s)$ is/are correct?
  • ✓
    Water is called 'Elixir of Life'.
  • B
    Approximately $8$ glasses of water is needed to produce a page of your book.
  • C
    About $75\%$ of earth is covered with water.
  • D
    All of the above.
Answer
Correct option: A.
Water is called 'Elixir of Life'.
Water is called 'Elixir of Life'.
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MCQ 1491 Mark
Water scarcity is a problem in our country. What are the ways by which we can conserve water?
  1. Rain water harvesting.
  2. Drip irrigation.
  3. Deforestation.
  • ✓
    Only $(i)$ and $(ii).$
  • B
    Only $(ii)$ and $(iii).$
  • C
    Only $(i)$ and $(iii).$
  • D
    $(i), (ii)$ and $(iii).$
Answer
Correct option: A.
Only $(i)$ and $(ii).$

 The methods of water conservation are rain water harvesting and drip irrigation.

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MCQ 1501 Mark
Plants release large amount of water vapour into the atmosphere by the process called
  • A
    evaporation
  • B
    condensation
  • C
    precipitation
  • ✓
    transpiration
Answer
Correct option: D.
transpiration
transpiration
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[1 Marks Each] M.C.Q. - Page 3 - Science STD 6 Questions - Vidyadip