Class 6 Science Chapter 14 MCQ (Multiple Choice Questions) of Water. Learn here the important questions from chapter 14 class 6th Science for the preparation of academic session 2022-2023 exams. All the questions are answered with complete explanation. These objective questions with multiple answers will help you in preparing the concepts of the chapter Water of standard 6 Science.

Class 6 Science Chapter 14 MCQ Online Test for 2022-2023

Class: 6Science
Chapter: 14Water
Contents: MCQ with Answers and Explanation

Class 6 Science Chapter 14 MCQ Test with Answers

Q1

When we step out from an air-conditioned car on a humid day, our spectacles become misty and we cannot see anything clearly. This happens due to a process known as

[A]. Decantation
[B]. Evaporation
[C]. Precipitation
[D]. Condensation
Q2

During water cycle in nature when we water containing a lot of dissolved solids chemicals is converted into pure water, then water goes through:

[A]. Chemical changes only
[B]. Physical changes only
[C]. Both physical and chemical changes
[D]. No changes at all
Q3

Read the following sentences carefully, and choose the incorrect one:

[A]. Water of rivers and the sea helps in the dispersal of seeds of several plants and trees.
[B]. Water is used in home for drinking, cooking food, washing utensils, cleaning floor, washing clothes and watering in plants etc.
[C]. Water in the river and sea is used for transporting passengers and goods from one place to another by boats, sailing boats, ships etc.
[D]. None of the above
Q4

Water in our tap comes from a:

[A]. [A] River
[B]. Lake
[C]. Well
[D]. All of these
Q5

The process of condensation is the reverse of:

[A]. Evaporation
[B]. Transpiration
[C]. Freezing
[D]. Sublimation
Q6

Raman is doing his homework which is given by his teacher. Would you help him to choose the incorrect sentences?

[A]. Rainwater is the purest form of natural water.
[B]. The place where underground water comes out on the surface of earth on its own is called a spring.
[C]. More than one-thirds of the earth is covered with water.
[D]. The largest source of water on the earth our oceans.
Q7

The loss of water from the leaves of plant as water vapour through the stomata is called:

[A]. Respiration
[B]. Evaporation
[C]. Translocation
[D]. Transpiration
Q8

In which of the following activities, will you use minimum amount of water?

[A]. Bathing
[B]. Brushing teeth
[C]. Washing clothes
[D]. Mopping room
Q9

While taking about the clouds, which student made the wrong statement?

[A]. Clouds can move
[B]. Clouds are formed from cooled air
[C]. Clouds bring rain
[D]. Clouds are part of the water cycle
Q10

Raju appeared in class test but he confused to know the incorrect statement. Would you help him to know that?

[A]. When water vapour is cooled, it condenses and changes into liquid water.
[B]. When water is heated, it evaporates and changes into water vapour.
[C]. When water is cooled too much, it freezes and changes into ice.
[D]. None of the above
Q11

‘Catch water where it falls’ is the basic idea behind

[A]. Recycling of water
[B]. Making dams to store water
[C]. Rainwater harvesting
[D]. Condensation of water vapour
Q12

Some water in the plate is placed near a window. After sometime, the water disappears. This is because water has turned into:

[A]. Dew
[B]. Vapour
[C]. Solution
[D]. Steam
Q13

Four handkerchiefs of the same size and material are washed and then hung in four different places. Which of these handkerchiefs will take the shortest time to dry?

[A]. Under the sun.
[B]. In the balcony.
[C]. In the bathroom.
[D]. Under a tree.
Q14

In the last year board examination, Rahul were asked a question where he had to choose the statement which was/were incorrect? Will you be able to answer this question?

[A]. The loss of water from plants as water vapour through the pores of their leaves is called transpiration.
[B]. Water vapour gets added to the air or atmosphere by the process of evaporation and transpiration.
[C]. The changing of water vapour into liquid water on cooling, is called condensation.
[D]. None of the above
Q15

Ruchi is writing some sentences about advantages of rainwater. Choose the correct option(s).

[A]. Rains bring relief by cooling the environment after hot summer days.
[B]. Rains provide water in the river and dams of hydroelectric power plants.
[C]. The showing of many crops depends on the coming of rains during monsoon.
[D]. All the above
Q16

Which of the following statements is not true about your evaporation of water?

[A]. Water evaporates at any temperature
[B]. Water evaporates only in the day when sun shines
[C]. Water evaporates faster when there is wind
[D]. Water evaporates most rapidly at 100 degree Celsius
Q17

Wells are fed by

[A]. Pond water
[B]. Lake water
[C]. Rain water
[D]. Ground water
Q18

Which of the following statements are true?

[A]. Water vapour is present in air only during the monsoon.
[B]. Water evaporates into air from oceans river and lakes but not from the soil.
[C]. The process of water changing into its vapour is called evaporation.
[D]. The evaporation of water takes place only in the sunlight.
Q19

Water cycle is a:

[A]. Continuous process
[B]. Drinking process
[C]. Non continuous process
[D]. Non-cyclic process
Q20

The process by which rain water changes into snow is called:

[A]. Melting
[B]. Evaporation
[C]. Freezing
[D]. Condensation
Q21

Which of the following are due to condensation?

[A]. Water drops appear on the outer surface of a glass containing ice-cold water and steam arising from wet clothes while they are ironed.
[B]. Steam arising from wet clothes while they are ironed and blackboard dries up after wiping with a wet cloth.
[C]. Water drops appear on the outer surface of a glass containing ice-cold water and fog appearing on a cold winter morning.
[D]. Blackboard dries up after wiping with a wet cloth and fog appearing on a cold winter morning.
Q22

In which of the following does condensation of water vapour take place?

[A]. Breathing on to a mirror and heating and open beaker of water.
[B]. Heating and open beaker of water and leaving a glass of ice on the table.
[C]. Breathing on to a mirror and leaving a glass of ice on the table.
[D]. Leaving a glass of ice on the table and leaving a cup of water by the window.
Q23

Which of the following is a purest form of natural water?

[A]. Well water
[B]. Spring water
[C]. Rain water
[D]. River water
Q24

Recently, in a science class test, you are asked a question where you have to say whether the statements are correct or not?

[A]. Heavy rains disrupt the traffic and inconvenience to people of the city
[B]. Heavy rains or excessive rains may cause floods.
[C]. Heavy rains also killed the animal living on the land areas and spoiled cultivation.
[D]. All the above.
Q25

Choose the correct ways to conserve water or minimize the wastage of water at home:

[A]. Leaking taps repaired immediately and turn off the tap immediately after use.
[B]. Take bath by filling water in a bucket and not directly under the flowing tap.
[C]. Wash the utensils by filling water in basin and not under the running tap.
[D]. All the above

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There are total of 100 MCQ questions covering the entire chapter 14 of class 6 science. These questions provide a perfect preparation for the exams. Just go through the chapter and once or twice practice these questions to be confident in all concepts of the chapter 14 water of standard vi.