Water

What is the main source of water for inland lakes?
1. springs
2. sea water
3. snow
4. ground water
Identify the source of ground water
1. Sub-oil water
2. River water
3. Rain water
4. All of the above
Rise in watrer level of river leads to
1. Flood
2. Drought
3. Dry lands
4. Water scarcity
Most of the rain wayter goes into
1. Lakes and ponds
2. the ground water
3. rivers and sea
4. Transpiratio and evaporation
One way of increasing the availibility of the water is to collect rainwaterand store it for later use. This is called
1. Catching water
2. Water collection
3. Rain water harvesting
4. Rian water catching
Clouds are formed due to
1. only evaporation.
2. only condensation.
3. both evaporation and condensation.
4. only vaporization.
Fog appearing on a cold winter morning and blackboard dries up agter wiping it is due to
1. Evaporation
2. Condensation
3. Both evaporation and condensation
4. none of the above
Which of the following is NOT a source by which water in rivers, lakes, ponds, wells and soil is replenished.
1. Rain
2. Moisture
3. Sun
4. Evaporation
Temperature, State, colour which of the following are changed when water bolis?
1. Temperature
2. State
3. Temperature and state both
4. All of the above
The circulation of water between ocean and land is a continuous process known as
1. Raining
2. Evaporation
3. Water cycle
4. Transpiration
Wtaer from the wet clothes disapper due to
1. sun
2. moisture
3. evaporation
4. condensation
In a small town, the number of water pumps, concrete houses and roads increased. What happens to the water table of that place?
1. It becomes lower
2. It becomes higher
3. It remains unaffected
4. It first becomes lower and then higher.
Cloud seeding is a technique that induces rain. What does the process involve?
1. Introducing particles in clouds to facilitate condensation
2. Adopting an agricultural practice that depends on clouds
3. Making clouds and placing them in the sky
4. Scattering clouds to form seed like structures
Which of the following is primary source of water?
1. Lakes
2. Tanks
3. Ponds
4. Rain water
Which fo the following is not a source of potable water:
1. well
2. river
3. lake
4. sea
Which of the following is potable water?
1. A glass of water fit for drinking
2. Water in a pot
3. Sea water
4. Water with bacteria and chemicals
In early winter mornings, we can see drops of water on the grass. This is because of
1. photosynthesis.
2. transpiration.
3. condensation.
4. water cycle.
Why is water useful to life on the earth?
(i) It maintains ecological balance.
(ii) It sustains life.
(iii) It is necessary for respiration in aquatic organisms.
1. Only (i) and (ii)
2. Only (ii) and (iii)
3. Only (i) and (iii)
4. (i), (ii) and (iii)
Which of the following statements is true?
1. The salinity of sea increases tremendously in a short time.
2. The salinity of rivers decreases with time.
3. The salinity of seas increases with time.
4. The salinity of seas remains constant with time.
Rain water harvesting is a method employed to
1. stop soil erosion in a place.
2. raise the water table of a place.
3. decrease floods at a place.
4. decrease drought at a place.
Ground water gets recharged by the process of
1. aquification.
2. transpiration.
3. infiltration.
4. transportation.
Why do you feel cool after you start sweating?
1. Evaporation of water droplets
2. Condensation of water droplets
3. Freezing of water droplets
4. Solidification of salts in the water droplets
What causes the formation of salt from sea water?
1. Evaporation
2. Condensation
3. Transpiration
4. Transformation
Why does the water table of a place become lower?
1. When trees are planted
2. When there is a drought
3. When there is a cyclone and flood
4. All of the above
Why is water scarcity increasing day by day?
1. Water cycle has stopped functioning.
2. The total amount of water on earth has decreased.
3. The consumption of water has increased.
4. There is an increasing frequency of floods.
Which of the following is polluted by man or factories?
1. Ponds
2. Rivers
3. Ground water
4. All of the above
Which of the following will be an advantage of inter-linking rivers in India?
1. Lot of people will gain employment.
2. Floods will take place uniformly throughout the country.
3. Water will be distributed uniformly.
4. India will become a technically advanced country.
X is a process by which plants lose water. What is X?
1. Condensation
2. Evaporation
3. Translocation
4. Transpiration
Which of the following statements is incorrect?
1. Water evaporates from plants, animals and oceans.
2. Animals living in water are not harmed during the floods.
3. Vegetation cannot thrive during droughts.
4. Water available for human use is very limited during floods.
What is rain water harvesting?
1. Storing ground water present in wells.
2. Stopping the cultivation of crops to save water
3. The seeping of water into the ground
4. Collecting rainwater and storing it for future use
For which of the following purposes is saline water NOT used?
(i) For washing clothes
(ii) For drinking
(iii) For agriculture
1. (i) and (ii)
2. (ii) and (iii)
3. (i0 and (iii)
4. all (i), (ii) and (iii)
Land breeze blows
1. during the day time.
2. noon at
3. during mornings.
4. during the night time.
Sea breeze blows during
1. evenings.
2. the night time.
3. the day time.
4. Both day and night time
Temporary hardness of water is due to the presence of
1. calcium bicarbonate.
2. potassium carbonate.
3. All of the above
4. none of the above
Water scarcity is a problem in our country. What are the ways by which we can conserve water?
(i) Rain water harvesting
(ii) Drip irrigation
(iii) Deforestation
1. (i) and (ii)
2. (ii) and (iii)
3. (i) and (iiI)
4. (i), (ii) and (iii)
Evaporation increases with
1. an increase in the amount of water.
2. a decrease in the temperature.
3. a decrease in the area of exposure.
4. an increase in the area of exposure.
A cloud is unable to hold droplets of water because
1. they become heavier.
2. they become lighter.
3. they undergo condensation slowly.
4. they undergo sublimation.
A girl saw a water puddle while going to school. In the evening, while returning home, she observed that the puddle disappeared. This was because
1. the water evaporated.
2. the water seeped into the ground.
3. the water condensed.
4. the water evaporated. and the water seeped into the ground.
Which of these occurs due to condensation?
1. The drying of wet clothes.
2. Steam rising from wet clothes when they are ironed.
3. Water drops appearing on the outer side of a cool water bottle.
4. Black board gets dried after it is wiped with wet cloth.
Aquatic animals and plants
1. have special organs that store oxygen.
2. have to come out of water to breathe.
3. use oxygen present in the air.
4. use the oxygen dissolved in water for respiration.
Human body contains water up to
1. 90%
2. 80%
3. 70%
4. 50%
Which of the following combines with water vapour or rain water to form acid rain?
1. Dust
2. Carbon particles
3. Oxygen
4. Sulphur dioxide
Most of the well water and spring water are replenished by
1. Dams
2. Floods
3. Ground Water
4. All Of The Above
Which of these constituents present in w air leads to the formation of fog and mist?
1. Nitrogen
2. Water vapour
3. Oxygen
4. Carbon dioxide
The process of collecting rain water in huge, cemented pits is called
1. storing of water.
2. filtration of water.
3. transportation of water.
4. rain water harvesting.

Water

Quiz