Clouds are:
- AWater vapours as such.
- BWater vapours condensed to tiny droplets of water.
- ✓Tiny droplets of water and dust particles.
- DAll of the above.
Answer: C.
View full solution →Question types
Water question types
323 questions across 9 question groups — pick any mix to generate a Science paper with step-by-step answer keys.
323
Questions
9
Question groups
5
Question types
01
[1 Marks Each] M.C.Q.
159 Q→02Assertion (A) & Reason (B) MCQ
6 Q→03[1 Marks Each] Blanks
24 Q→04True Or False.[1 Marks Each]
17 Q→05[1 Marks Each] QUE - ANS
71 Q→06[3 Marks Each] QUE-ANS
15 Q→07[5 Marks Each] QUE-ANS
8 Q→08case /data -based (4 Marks)
3 Q→09Answer The Following Questions In Short.[2 Marks Each]
20 Q→Sample Questions
Water questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
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 which of the following?
- ABaking.
- BBrushing.
- CCooking.
- ✓All of these.
Answer: D.
View full solution →When you see clouds forming in the sky, the water above you is forming droplets in what stage of the water cycle?
- ACollection
- BEvaporation
- ✓Condensation
- DPrecipitation
Answer: C.
View full solution →We cannot use seawater because:
- ✓Sea water is salty.
- BSea water is polluted.
- COf high cost.
- DSea water cannot be transported.
Answer: A.
View full solution →A cloud is unable to hold droplets of water because:
- ✓They become heavier.
- BThey become lighter.
- CThey undergo condensation slowly.
- DThey undergo sublimation.
Answer: A.
View full solution →DIRECTIONS: The questions in this segment consists of two statements one labelled as ?Assertion $A$? and the other labelled as ?Reason $R?$ You are to examine these two statements carefully and decide if the assertion $A$ and reason $R$ are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below.
Assertion (A): During drought there is a shortage of food and fodder.
Reason (R): Droughts result in conservation of water.
Assertion (A): During drought there is a shortage of food and fodder.
Reason (R): Droughts result in conservation of water.
- ABoth $A$ and $R$ are true and $R$ is the correct explanation of $A$
- BBoth $A$ and $R$ are true but $R$ is not the correct explanation of $A$
- ✓$A$ is true but $R$ is false
- D$A$ is false but $R$ is true
Answer: C.
View full solution →DIRECTIONS: The questions in this segment consists of two statements one labelled as ?Assertion $A?$ and the other labelled as ?Reason $R?$ You are to examine these two statements carefully and decide if the assertion $A$ and reason $R$ are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below.
Assertion (A): In such areas where there is no vegetation the rain water flows quickly and has no effect on the top layer of soil of that area.
Reason (R): When water level rises in rivers, ponds etc. Due to excessive rains it causes floods.
Assertion (A): In such areas where there is no vegetation the rain water flows quickly and has no effect on the top layer of soil of that area.
Reason (R): When water level rises in rivers, ponds etc. Due to excessive rains it causes floods.
- ABoth $A$ and $R$ are true and $R$ is the correct explanation of $A$
- BBoth $A$ and $R$ are true but $R$ is not the correct explanation of $A$
- C$A$ is true but $R$ is false
- ✓$A$ is false but $R$ is true
Answer: D.
View full solution →DIRECTIONS: The questions in this segment consists of two statements one labelled as ?Assertion $A?$ and the other labelled as ?Reason $R?$ You are to examine these two statements carefully and decide if the assertion $A$ and reason $R$ are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below.
Assertion (A): Role of oceans in supplying usable water is quite important.
Reason (R): When the sea water reaches us, in various other forms of sources of water, it is no more saline.
Assertion (A): Role of oceans in supplying usable water is quite important.
Reason (R): When the sea water reaches us, in various other forms of sources of water, it is no more saline.
- ABoth $A$ and $R$ are true and $R$ is the correct explanation of $A$
- ✓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
Answer: B.
View full solution →DIRECTIONS: The questions in this segment consists of two statements one labelled as ?Assertion $A?$ and the other labelled as ?Reason $R?$ You are to examine these two statements carefully and decide if the assertion $A$ and reason $R$ are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below.
Assertion (A): The sea water is saline.
Reason (R): The sea water contains many dissolved salts.
Assertion (A): The sea water is saline.
Reason (R): The sea water contains many dissolved salts.
- ✓Both $A$ and $R$ are true and $R$ is the correct explanation of $A$
- BBoth $A$ 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
Answer: A.
View full solution →DIRECTIONS: The questions in this segment consists of two statements one labelled as ?Assertion $A?$ and the other labelled as ?Reason $R?$ You are to examine these two statements carefully and decide if the assertion $A$ and reason $R$ are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below.
Assertion (A): Sea water changes to water vapours by the process of transpiration in the presence of sunlight.
Reason (R): When sea water changes into water vapour it leaves the dissolved salts behind.
Assertion (A): Sea water changes to water vapours by the process of transpiration in the presence of sunlight.
Reason (R): When sea water changes into water vapour it leaves the dissolved salts behind.
- ABoth $A$ and $R$ are true and $R$ is the correct explanation of $A$
- BBoth $A$ and $R$ are true but $R$ is not the correct explanation of $A$
- C$A$ is true but $R$ is false
- ✓$A$ is false but $R$ is true
Answer: D.
View full solution →Fill in the blanks with appropriate words:
Most of the water that human beings use come from $.........$.
View full solution →Most of the water that human beings use come from $.........$.
The groundwater is actually the rainwater. True/ False
Fill in the blanks with appropriate words:
If water during precipitation remains liquid till it reaches the surface of earth we have $.........$.
View full solution →If water during precipitation remains liquid till it reaches the surface of earth we have $.........$.
Fill in the blanks with appropriate words:
Falling of $.........$ is called precipitation.
View full solution →Falling of $.........$ is called precipitation.
Fill in the blanks with appropriate words:
$.........$ is needed for drinking, bathing, washing our clothes and many more functions.
View full solution →$.........$ is needed for drinking, bathing, washing our clothes and many more functions.
Rains feed almost all other sources of water. True/ False
We should take bath by as much water as we can. True/ False
Oceans are the major sources of sweet water. True/ False
Water vapour carry away salt with it. True/ False.
In cold countries, people use water to warm their houses. True/ False
Fill up the blank:
The process of changing of water into its vapour is called ____________.
The process of changing of water into its vapour is called ____________.
Can we convert water into water vapour without heating it?
A cooled bottle of water kept outside refrigerator, shows puddle of water around it. Explain why?
Which of the following statements are ‘True’?
Water evaporates into air from oceans, rivers and lakes but not from the soil.
Water evaporates into air from oceans, rivers and lakes but not from the soil.
Which of the following statements are ‘True’?
The evaporation of water takes place only in sunlight.
The evaporation of water takes place only in sunlight.
Draw a labelled diagram of water cycle.
When does a drought occur?
Mention the main processes that help in the circulation of water in nature.
Write five sentences to conserve water.
Water kept in sunlight gets heat from sun and is evaporated. But how does water kept under the shade of a tree also gets evaporated? Explain.
Explain the process of rooftop rain water harvesting with the help of a suitable diagram.
What is precipitation? Does precipitation in atmosphere always result in rain?
Explain the role of plants in adding water vapours into atmosphere.
Write two ways of water harvesting in Delhi. Discuss in brief.
Briefly describe the water cycle. Also explain its importance.
The picture shows how rainwater is stored in tanks for home use.
9. Is the water collected in the water tank safe for drinking? Explain your answer.
10. Why is rainwater harvesting important?
$A.$ To help plants grow better
$B.$ To reduce water pollution
$C.$ To collect water that is rich in minerals
$D.$ To reduce the demand for water supply
View full solution →9. Is the water collected in the water tank safe for drinking? Explain your answer.
10. Why is rainwater harvesting important?
$A.$ To help plants grow better
$B.$ To reduce water pollution
$C.$ To collect water that is rich in minerals
$D.$ To reduce the demand for water supply
The picture shows the four different stages of the water cycle.
$5.$ Which stage shows the process of transpiration?
$A.$ Stage $1$
$B.$ Stage $2$
$C.$ Stage $3$
$D.$ Stage $4$
$6.$ In which stage does water vapour condense to form water droplets?
$A.$ Stage $1$
$B.$ Stage $2$
$C.$ Stage $3$
$D.$ Stage $4$
$7.$ On which day will stage $1$ of the water cycle progress the slowest?
$A.$ A hot and sunny day
$B.$ A cold and sunny day
$C.$ A hot and cloudy day
$D.$ A cold and cloudy day
$8.$ Which of the following statements about the water cycle is true?
Circle $‘Yes’$ or $‘No’$ for the correct response.
View full solution →$5.$ Which stage shows the process of transpiration?
$A.$ Stage $1$
$B.$ Stage $2$
$C.$ Stage $3$
$D.$ Stage $4$
$6.$ In which stage does water vapour condense to form water droplets?
$A.$ Stage $1$
$B.$ Stage $2$
$C.$ Stage $3$
$D.$ Stage $4$
$7.$ On which day will stage $1$ of the water cycle progress the slowest?
$A.$ A hot and sunny day
$B.$ A cold and sunny day
$C.$ A hot and cloudy day
$D.$ A cold and cloudy day
$8.$ Which of the following statements about the water cycle is true?
Circle $‘Yes’$ or $‘No’$ for the correct response.
| Is the statement about the water cycle true? | $Yes$ or $No$ |
| Some water is lost to the space during the water cycle. | $Yes/No$ |
| Water from the ocean and land goes into air as vapour. | $Yes/No$ |
| Water cycle is a continuous process. | $Yes/No$ |
The table shows the amount of water required for different activities in a house.
$1.$ Which graph correctly shows the data in the table?
$2.$ Which activity in the house requires the most water?
$A.$ Drinking
$B.$ Washing clothes
$C.$ Flushing toilets
$D.$ Mopping loor
$3.$ Which of these activities helps to prevent wastage of water?
$A.$ Water plants with drinking water
$B.$ Wash vegetables in running tap water
$C.$ Pour water with buckets to clean a cycle
$D.$ Close shower when applying shampoo on hair
$4.$ Which of these are the effects of loods?
Circle $‘Yes’$ or $‘No’$ for the correct response.
View full solution →| Activity | Amount of water used daily |
| Drinking | $15$ litres |
| Washing clothes | $35$ litres |
| Flushing toilets | $60$ litres |
| Mopping floor | $20$ litres |
$2.$ Which activity in the house requires the most water?
$A.$ Drinking
$B.$ Washing clothes
$C.$ Flushing toilets
$D.$ Mopping loor
$3.$ Which of these activities helps to prevent wastage of water?
$A.$ Water plants with drinking water
$B.$ Wash vegetables in running tap water
$C.$ Pour water with buckets to clean a cycle
$D.$ Close shower when applying shampoo on hair
$4.$ Which of these are the effects of loods?
Circle $‘Yes’$ or $‘No’$ for the correct response.
| Is this an effect of lood? | $Yes$ or $No$ |
| Heating the magnet on ire | $Yes/No$ |
| Loss of domestic animals | $Yes/No$ |
| Decrease in groundwater level | $Yes/No$ |
Write any two activities which require more than a bucket of water.
What is the importance of water cycle?
Take out a cooled bottle of water from refrigerator and keep it on a table. After some time you notice a droplets of water around it. Why?
What happens to the water that rain and snow bring to different regions of earth?
Are there regions where people do not get adequate amount of water? How do they manage?
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