Here we are providing Class 6 science Objective Chapter – 14 Water because its very important for Class 6 students as we all know that every board exam question has MCQs so that students should practice these questions so that students can get good marks in board. Class 6 science Objective Chapter – 14 Water is an extremely important and its also a year in which students learn the fundamentals of concepts that help them lay a solid foundation for their higher education. Here we are providing in Class Class 6 science Objective Chapter – 14 Water 100+ questions so that students practice more and more. If you want class wise Notes Then Click Here
Class 6 Science Objective Chapter – 14 Water
1.How much percentage of water does a human body contains?
( A ) 60%
( B ) 70%
( C ) 80%
( D ) 90%
Ans – ( B )
2.How much water is required to produce a page of book ?
( A ) About 2 glasses
( B ) About 14 glass
( C ) About 1 glass
( D ) About 3 glasses
Ans – ( A )
3.Water is used for
( A ) bathing
( B ) cooking
( C ) drinking
( D ) all of these
Ans – ( D )
4.Where do we get water from ?
( A ) River
( B ) Wells
( C ) Lakes
( D ) All of these
Ans – ( D )
5.The water in oceans cannot be used because
( A ) it is salty
( B ) it is harmful
( C ) it is toxic
( D ) it is acidic
Ans – ( A )
6.Where water in taps comes from:
( A ) River
( B ) Wells
( C ) Lake
( D ) All of these
Ans – ( D )
7.Which of the following are the sources of water?
( A ) Rivers
( B ) Ponds
( C ) Lakes
( D ) All of these
Ans – ( D )
8.What part of earth is covered with water ?
( A ) One-third
( B ) Two-third
( C ) Half
( D ) None of these
Ans – ( B )
9.The place where underground water comes out on the surface of earth on its own is called
( A ) rainwater
( B ) spring
( C ) sea level
( D ) glacier
Ans – ( B )
10.Where do we find most of the water on earth ?
( A ) Oceans
( B ) Seas
( C ) Wells
( D ) Both ( A ) and (b)
Ans – ( B )
11.Which of the following is the largest source of water?
( A ) Sea
( B ) Ocean
( C ) Pond
( D ) Lake
Ans – ( B )
12.What happens to the animals and vegetation in drought conditions?
( A ) Start growing
( B ) Start dying
( C ) Both ( A ) and (b)
( D ) None of these
Ans – ( B )
13.Potable water is
( A ) ocean water
( B ) groundwater
( C ) river water
( D ) pond water
Ans – ( B )
14.How can we conserve water ?
( A ) By avoiding wastage
( B ) By more plantation
( C ) By using carefully
( D ) All of these
Ans – ( D )
15.Which is not a part of water cycle?
( A ) Cloud formation
( B ) Rain
( C ) Drinking by animals
( D ) Sun
Ans – ( C )
16.Blackboard dries up after wiping it:
( A ) Condensation
( B ) Evaporation
( C ) Distillation
( D ) Filtration
Ans – ( B )
17.Which one of the following is a purest form of water?
( A ) River water
( B ) Groundwater
( C ) Rainwater
( D ) Ocean water
Ans – ( C )
18.We need water for:
( A ) To grow plants
( B ) To make paper
( C ) To grow fibres which are used for making fabric
( D ) All of these
Ans – ( D )
19.The process of conversion of water into vapours is called
( A ) transpiration
( B ) evaporation
( C ) condensation
( D ) none of these
Ans – ( B )
20.Plants loose water into air as water vapour through the process of:
( A ) Evaporation
( B ) Transpiration
( C ) Condensation
( D ) None of these
Ans – ( B )
21.The process by which plants lose water is
( A ) photosynthesis
( B ) translocation
( C ) transpiration
( D ) transportation
Ans – ( C )
22.Gaseous form of water is called:
( A ) Evaporation
( B ) Water cycle
( C ) Water vapour
( D ) Floods
Ans – ( C )
23.The amount of water recommended by the UN for drinking, washing, cooking and maintaining proper hygiene is
( A ) 50 litres per person per day
( B ) 60 litres per person per day
( C ) 70 litres per person per day
( D ) 80 litres per person per day
Ans – ( A )
24.The process of water changing into its vapour is:
( A ) Evaporation
( B ) Water vapour
( C ) Water cycle
( D ) Floods
Ans – ( A )
25.Boiling point of water is
( A ) 100°C
( B ) 99°C
( C ) 101°C
( D ) 102°C
Ans – ( A )
26.The water which had escaped from the earth as vapour returns to the earth in the form of
( A ) precipitation
( B ) evaporation
( C ) infiltration
( D ) condensation
Ans – ( A )
27.The process of water vapour changing into water droplets is:
( A ) Evaporation
( B ) Water harvesting
( C ) Water cycle
( D ) Condensation
Ans – ( D )
28.Heavy rains may cause
( A ) floods
( B ) drought
( C ) rainlessness
( D ) both ( A ) and (c)
Ans – ( A )
29.The circulation of water between ocean and land is known as:
( A ) Evaporation
( B ) Water harvesting
( C ) Water cycle
( D ) Condensation
Ans – ( C )
30.Which is a result of condensation of water vapours?
( A ) Rain
( B ) Snowfall
( C ) Hail
( D ) Tiny water droplets
Ans – ( D )
31.When we step out from an air-conditioned car, on a humid day, our spectacles becomes misty and we cannot see anything clearly. This happens due to a process known as
( A ) Decantation
( B ) evaporation
( C ) precipitation
( D ) condensation
Ans – ( D )
32.Lack of rain for long periods cause.
( A ) Flood
( B ) Water vapour
( C ) Drought
( D ) None of these
Ans – ( C )
33.Excessive rains cause.
( A ) Drought
( B ) Floods
( C ) Ground water
( D ) Water cycle
Ans – ( B )
34.The process by which plants lose water is
( A ) photosynthesis
( B ) translocation
( C ) transpiration
( D ) transportation
Ans – ( C )
35.Water found under the ground is called:
( A ) Rain water
( B ) Drinking water
( C ) Bathing water
( D ) Ground water
Ans – ( D )
36.The process of conversion of water into its vapour is called
( A ) transpiration
( B ) evaporation
( C ) condensation
( D ) None of the above
Ans – ( B )
37.Which of the following is the most impure form of natural water?
( A ) Lake water
( B ) Pond water
( C ) Ground water
( D ) Sea water
Ans – ( D )
38.need water.
( A ) Plants
( B ) Sun
( C ) Moon
( D ) All of these
Ans – ( A )
39.In which of the following does condensation of water vapour take place?
A. Breathing on to a mirror
B. Heating an open beaker in water
C. Leaving a glass of ice on the table
D. Leaving a cup of water by the window
( A ) A and B
( B ) B and C
( C ) A and C
( D ) C and D
Ans – ( C )
40.The collection of rain water by various means is:
( A ) Water vapour
( B ) Water cycle
( C ) Water harvesting
( D ) None of these
Ans – ( C )
41.In how many states of matter does water exist?
( A ) One
( B ) Two
( C ) Three
( D ) Four
Ans – ( C )
42. Where water in taps comes from:
( A ) River
( B ) Wells
( C ) Lake
( D ) All of these
Ans – ( D )
43.The clothes dry in the sunlight by the process of
( A ) condensation
( B ) evaporation
( C ) drought
( D ) transpiration
Ans – ( B )
44. Which one is a process in which water changes into vapours in atmosphere?
( A ) Evaporation
( B ) transpiration
( C ) Precipitation
( D ) Condensation
Ans – ( A )
45.How much percentage of water does a human body contains?
( A ) 60%
( B ) 70%
( C ) 80%
( D ) 90%
Ans – ( B )
46.Which of these is responsible for the formation of clouds?
( A ) Conservation
( B ) Respiration
( C ) Transpiration
( D ) None of these
Ans – ( C )
47. How much water is required to produce a page of book ?
( A ) About 2 glasses
( B ) About 14 glass
( C ) About 1 glass
( D ) About 3 glasses
Ans – ( 2 )
48.Drought causes water
( A ) profitability
( B ) scarcity
( C ) both ( A ) and (b)
( D ) none of these
Ans – ( B )
49.Which one is the purest form of water?
( A ) River water
( B ) Groundwater
( C ) Rainwater
( D ) Ocean water
Ans – ( C )
50.The colour of potable water is
( A ) colourless
( B ) milky
( C ) pink-coloured
( D ) red-coloured
Ans – ( A )
51.Out of these, which is not a source of surface water?
( A ) rain water
( B ) river and lake water
( C ) Spring water
( D ) sea water
Ans – ( C )
52.Evaporation of water is due to the heat of the
( A ) sun
( B ) moon
( C ) star
( D ) none
Ans – ( A )