Water

Which of the following is true about solid form of water?
1. Solid form of water is liquid.
2. Solid form of water is air.
3. solid water does not exists in ice bergs and ice caps on top of all mountains, glaciers and polar regions.
4. solid water exists in oceans, seas, lakes , rivers, and even underground.
Choose the correct answers from the following about liquid form of water.
1. It is present in the air all around us.
2. It exists in oceans, seas, lakes, rivers, and even underground.
3. It is vapour.
4. It is frozen water.
Which of the following is true about gaseous form of water?
1. It is water.
2. It is ice.
3. It exists in ice bergs and polar regions.
4. It exists in the air around us.
Water is _______
1. Transparent
2. Odoured
3. Tasty
4. Colourled
Water is classified into fresh , brackish and _______
1. Ground water
2. Frozen Water
3. Sea water
4. Ground water
Ocean water is composed of many substances. The salts include _____ chlorides
1. Hydrogen
2. Sodium, Magnesium and calcium
3. Oxygen
What is the step of the water cycle when the water goes back into the clouds?
1. Evaporation
2. Condensation
3. Rain
4. Precipitaion
How many steps are there in the water cycle?
1. 2
2. 3
3. 6
4. 4
Where does the energy for the water cycle come from?
1. The spin of the Earth
2. Fossil fuels
3. The sun
4. Electricity.
In what form can we see water in the atmosphere?
1. Rivers
2. Clouds
3. Wind
4. Oceans
What is evaporation?
1. Water gets cool and changes into tiny water droplets that form clouds in the sky.
2. Water from oceans, lakes,ponds and rivers evaporates due to the heat of the sun
3. The millions of tiny droplets collide with one another to form larger droplets.
4. Air around the clouds is cool these drops of water fall in the form of snow or rain.
What is condensation?
1. Water vapour which enters into the atmosphere by evaporation moves upward with air, gets cooled and changes into tiny water droplets that form clouds in the sky.
2. The millions of tiny droplets collide with one another to form larger droplets.
3. When the air around the clouds is cool these drops of water fall in the form of snow or rain.
4. Water from oceans, lakes,ponds and rivers evaporates due to the heat of the sun.
What is precipication?
1. Water from oceans, lakes,ponds and rivers evaporates due to the heat of the sun.
2. Water gets cool and changes into tiny water droplets that form clouds in the sky.
3. The millions of tiny droplets collide with one another to form larger droplets. When the air around the clouds is cool these drops of later fall in the form of snow or rain.
The water useful for plants, animals and man is decreasing day by day. It is called _______ of water
1. Shrinkage
2. Plenty
3. Declining
4. Scarcity.
What are the main reasons for water scarcity?
1. Poplulation explosion and pollution
2. Care use of water and decline of ground watertable
3. Cared use of water and increase of ground watertable
4. Even distribution of rainfall.
The only method of preventing scarcity of water is __________ of water
1. Preservation
2. Conservation
3. Collection
Water management consists of the following factors:
1. Bringing awareness about the bad effects of throwing wastes into the water bodies
2. Recycling of water by separating pollutants.
3. Minimizing the use of chemical fertilizers in agriculture. It reduces the pollution of underground water.
4. Controlling deforestation
The types of rain water harvesting are:
1. Collecting water from where it fades.
2. Collecting rainwater by constructing ponds with bund.
3. Collecting sea water to harvest.
4. Collecting water from the ground.
Around 97% of water available on earth is______ water.
1. Fresh
2. Pure
3. Salty
4. Polluted
Which of the following processes add water vapour to the atmosphere?
i. Transpiration
ii. Precipitation
iii. Condensation
iv. Evaporation
1. ii and iii
2. ii and iv
3. i and iv
4. i and ii
Using R.O. (Reverse Osmosis) plant at home eliminates lot of non-potable
water. The best way to effectively use the expelled water of R.O. plant is
.
1. make the expelled water go and seep near the bore well
2. use it for watering plants
3. to drink the expelled water after boiling and cooling
4. to use for cooking as the water is full of many nutrients
Water present in rivers, lakes and ponds is unfit for use by human beings.
1. True
2. False
Seas are formed when the water table meets the land surface.
1. True
2. False
The evaporation of water takes place only in sunlight.
1. True
2. False
Condensation results in the formation of dew on grass.
1. True
2. False
Sea water can be used for irrigation as such.
1. True
2. False
The Himalayas, contain _______.
1. Ground water
2. Fresh Water
3. Frozen water
4. Liquid water.
Water is measured in ______
1. cusecs, litres
2. pounds
3. Gallons
4. currency
What is in this picture?
1. HO
2. Water molecule
3. Oxygen
Water freezes at ____?
1. 25 degrees celsius.
2. 0 degrees celsius.
3. 30 degrees celsius
4. 100 degrees celsius.
When is the world water day celebrated?
1. 12 March.
2. 22 May.
3. 22 March.
4. 10 April.
Water cycle is also known as _________
1. Liquid cycle
2. Gaseous cycle
3. Condensation
4. Hydrological cycle.
There is a continuous cycling of water and it exists in ______ forms in nature.
1. Three
2. Two
3. Four
4. five
The three states of water occur in nature, keep the total amount of water on the earth ______ even when the
1. Increasing
2. Declining
3. Constant
4. None
______ types of natural sources of fresh water are available on the earth.
1. Three
2. Four
3. Five
4. Two
A larger portion of water is _____% of the total available fresh water is iin frozen state.
1. 80
2. 68.7
3. 80.3
4. 64.5
During winter, water in lakes and ponds in the cold countries will be ________and a solid layer of ice is formed on the surface of water.
1. Gaseous water
2. Frozen water
3. Water
4. Liquid water
How many methods of conservation are there?
1. Three
2. Two
3. Four
4. Five
On an average, the human body requires ____ litres of water per day for proper functioning.
1. 2-3
2. 4-5
3. 1-2
4. 7-10
To an extent of ____% of the total water that exists on Earth is found in seas and oceans.
1. 3
2. 5
3. 97
4. 95
Only __% of the freshwater is available in polar ice caps and glaciers.
1. 2
2. 4
3. 97
4. 3
Lakes, rivers, swamps constitute only ___% of the surface water.
1. 1
2. 0.3
3. 0.6
4. 1.3
_______ of Asia’s largest rivers flow from the Himalayas and more than a million people’s livelihoods depend on those rivers.
1. 10
2. 12
3. 13
4. 9
_______ is one of the basic substance present in the earth. It plays a vital role in the evolution and survival of life. It is impossible to imagine life on the earth without that.
1. Human.
2. Earth
3. Water
4. Organisms.

Water

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