# 6th Class Science Water Question Bank

### done Water

• A) river

B) lake

C) well

D) All of these

• A) 1/3 part

B) 2/3 part

C) 1/2 part

D) 1/4 part

• A) chemical treatment through which the water has to pass before its supply through taps.

B) certain gases and salts dissolved in water that is supplied as tap water.

C) Both (a) and (b)

D) None of these

• A) Underground water

B) Spring

C) Natural water

D) None of these

• A) Oceans play no role in supply of usable water

B) Role of oceans in supply of usable water is quite important

C) Both the above

D) None of these

• A) by rivers

B) by ponds

C) by water cycle

D) All of these

• A) carrying of water using bicycles

B) carrying of sea water to land by rivers etc.

C) carrying of tap water to our homes

D) circulation of water between ocean and land

• A) by solar energy

B) by heat of sun

C) Both the above

D) None of these

• A) consist of pure water

B) contains dissolved salts in it

C) Both the above

D) None of these

• A) change of solid to vapour

B) change of liquid to vapour

C) change of solid to liquid

D) change of vapour to liquid

• A) takes place during day time

B) takes place during night time

C) takes place throughout day and night

D) takes place only during noon

• A) Evaporation

B) Condensation

C) Transpiration

D) Both (a) and (c)

• A) when water vapours present in air get cooled and change into tiny liquid droplets

B) by the process of evaporation of water vapours

C) by the process of condensation of water vapours

D) Both (a) and (c) are correct

• A) in those areas where it rains excessively

B) in those areas where we have constructed large dams

C) Both the above

D) None of these

• A) floods

B) drought

C) either floods or drought

D) None of these

• A) to harvest water

B) to harvest crops

C) to catch water where it falls

D) All of the above

• 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

D) By reusing the water from washing clothes to wash floor

• A) Evaporation

B) Transpiration

C) Condensation

D) None of these

• A) Evaporation

B) Condensation

C) Precipitation

D) Melting

• A) Evaporation of ocean water

B) Transpiration occurring in plants

C) By evaporation of sweat of animals

D) All of the above

• A) B, D, A, C

B) B, A, C, D

C) B, C, D, A

D) B, D, C, A

• A) A = evaporation B = process of change of water vapours into liquid

B) A = The process involved in the disappearance of water from plate kept in sunlight, B = The process by which a wheat plant loses water to the atmosphere

C) A = The process by which forest plants lose water to the atmosphere B = The process involved in the conversion of water vapours to liquid water

D) and (c) are correct

• A) Evaporation

B) Condensation

C) Transpiration

D) None of these

• A) Hailstorm

B) Snow

C) Rain

D) None of these

• A) salts of calcium

B) salts of magnesium

C) Both (a) and (b)

D) None of these

• A) Flood

B) Earthquake

C) Drought

D) All of these

• A) air in the atmosphere

B) dissolved air in water

C) do not need oxygen

D) None of these

• A) 3%

B) 97%

C) 60%

D) 40%

• A) sea water is salty

B) sea water is polluted

C) of high cost

D) sea water cannot be transported

• A) level of surface water

B) level of sea water

C) level of groundwater

D) None of these

• A) Both (i) and (ii) are true

B) Only (i) is true

C) Only (ii) is true

D) None of these

• A) seawater

B) groundwater

C) rainwater

D) surface water

• A) 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.

• A) water vapours as such

B) water vapours condensed to tiny droplets of water

C) tiny droplets of water and dust particles

D) All of the above

• A) a method of collecting rain water for our immediate daily use

B) a method of conservation of rains

C) collecting rain water for later use

D) All of the above

• A) It is important for air to be moist.

B) It is important for water cycle in nature.

C) It is important as plant get their water from this source.

D) None of these

•  Column-I Column-II A. Ground water (p) Excess rains B. Ocean (q) Aquifers C. Clouds (r) Water containing dissolved salts D. Floods (s) Water vapour and dirt

A) $A\to (p);B\to (q);C\to (r);D\to (s)$

B) $A\to (q);B\to (r);C\to (s);D\to (p)$

C) $A\to (r);B\to (s);C\to (p);D\to (q)$

D) $A\to (s);B\to (p);C\to (q);D\to (r)$

•  Column-I 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) $A\to (s);B\to (q);C\to (p);D\to (r)$

B) $A\to (s);B\to (r);C\to (q);D\to (p)$

C) $A\to (s);B\to (p);C\to (q);D\to (r)$

D) $A\to (p);B\to (s);C\to (r);D\to (q)$

•  Column-I Column-II A. Water cycle (p) Solid state of water B. Hail, snow (q) Condensation C. Water vapour changes to liquid water (r) Circulation of water between ocean and land D. Water enters air (s) Transpiration

A) $A\to (p);B\to (q);C\to (r);D\to (s)$

B) $A\to (q);B\to (r);C\to (s);D\to (p)$

C) $A\to (r);B\to (p);C\to (q);D\to (s)$

D) $A\to (s);B\to (q);C\to (p);D\to (r)$

• A) Baking

B) Brushing

C) Cooking

D) All of these

• A) industries

B) producing many things

C) Both the above

D) None of these

• A) All of us i'. e., Indians) get drinking water from taps.

B) The water that we get from taps is also drawn from a lake, or a river or a well.

C) Both the above

D) None of these

• A) Evaporation

B) Condensation

C) Transpiration

D) Precipitation

• A) rapidly in sunlight

B) rapidly in shade

C) with same speed in day and night

D) occurs only in day time

• A) 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

• A) The quantity of water used per person is increasing day by day

B) The number of persons using water is increasing

C) More and more water is being used by industries

D) Only (b) and (c) are correct

• A) Sea water is not fit for all our uses

B) Sea water can not be used directly by us for drinking

C) Sea water can not be used directly for plant production

D) All of the above

• A) Because of water cycle

B) Because of transpiration

C) Because of condensation

D) Because of water harvesting

• A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true but R is not the correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true but R is not the correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true but R is not the correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true but R is not the correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true but R is not the correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true but R is not the correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.