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

Consider the following statements and choose the correct one:

[A]. All the living things as plants and animals need water to live.
[B]. If water is not available to plants and animals, they will ultimately die.
[C]. Water is used in agriculture for growing food.
[D]. All the above
Q2

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
Q3

Which of the following statement is or are correct?

[A]. Water is used to generate electricity.
[B]. Water is used to keep things cool.
[C]. Water is used in industries for producing almost all the things that we use.
[D]. All the above
Q4

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
Q5

Water in our tap comes from a:

[A]. [A] River
[B]. Lake
[C]. Well
[D]. All of these
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 highest salty water of an ocean, is converted into pure water in nature by:

[A]. Boiling
[B]. Adding chlorine
[C]. Water cycle
[D]. Water works
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

Saumya is writing some statements but she confused to know whether the statements are correct or not? If you know the answer to this question, then tell her:

[A]. If we want to dry out our washed and wet school uniform quickly, we should spread it near a heater.
[B]. The process of evaporation of salt water does not carry away the salt with it, the salt is left behind.
[C]. In addition to evaporation, there is another process which puts a lot of water vapour into air, called transpiration.
[D]. All the above
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

Clouds are

[A]. Tiny drops of water floating in air
[B]. Mixture of dust and water vapour
[C]. Particles of water vapour
[D]. Rain drops in air
Q16

Which one of the following is the most impure form of natural water?

[A]. Lake water
[B]. Pond water
[C]. Ground water
[D]. Sea water
Q17

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
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

Plants regulate their temperature by:

[A]. Transpiration
[B]. Respiration
[C]. Photosynthesis
[D]. Perspiration
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

In a science quiz competition, Nitu asked to choose the statement which was/were correct?

[A]. The continuous circulation of water from the earth’s surface to atmosphere and from the atmosphere back to earth, is called water cycle in nature.
[B]. The water available for our use is very limited and it is decreasing day by day due to over-usage.
[C]. The activity of collecting rainwater directly and store it in big thanks for later use, called rainwater harvesting.
[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.