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1. Question marks are mentioned with each Question.
2. Please write neat and clean hand-writing on Answer Sheet. Use Margin on right side and left side of Answer Sheet.
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5. This is a ONE TIME attempt test. Once started, it cannot be reversed or attempted again.
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1
The process of collection and sorting rain water forms roofs or a surface catchment is called ___________________.
Water collecting
Water storing technique
Rain water stores
Rain water harvesting
2
Many palaces in India have an age - old practice of water storage and water recharge system like the __________________.
Bawris
Step - well
Baolis
All of these.
3
The process of _________________ and sorting rain water forms roofs or a surface catchment is called rain water harvesting.
Collecting
Separating
Boiling
None of these.
4
What are the things added in different layers in storage tanks to separate impurities from water ?
Gravel
Coarse sand
Broken bricks
5
What will happen to the river red gums plant in condition of water scarcity ?
They will survive due to adaptations
they will die due to shortage of water
Some part of the plants would die
None of the above
6
Which of the following process is included in Water cycle ?
Evaporation and transpiration
Condensation
Precipitation
7
How can we recognise the presence of pollutants in the water ?
Bad taste of drinking water.
Offensive odour in water
Unchecked growth of aquatic weeds in water bodies.
8
In drier areas, increased rainfall results in ________
Explosion of life
death of organisms
Increased diseases among the organisms
9
A disease affecting thousands of people at the same time is called an _____________________.
Epidemic
Pandemic
Congenital Disease
None of these
10
Statement (i) : In such sreas where there is no vegetation, the rain water flows quickly and has no effect on the layer of soil of that area.
Statement (ii) : When water level rises in rivers, ponds etc. Due to excessive rains it causes floods.
Statement (i) is correct while statement (ii) is incorrect.
Statement (ii) is correct while statement (i) is incorrect.
Both statements are correct.
Both statements are incorrect.
11
The diagram above uses letters A, B, C and D to represent processes occuring in a water cycle. What does letter D represent ?
Mountain slope
Rain
Cloud burst
Run off
12
13
During a flood there is plenty of water logging and overflow of water, but it is mostly _________and not safe to drink.
Harmful
Dangerous
Polluted
Milky
14
Which of the following are correct :
(a) We should repair a leaking tap immediately and avoid activities like bathing, brushing, washing utensils, etc. under a running tap.
(b) Farmers should use drip system for irrigation to avoid wastage of water.
(c) Rain water should be harvested i.e.it should be collected on roof tops or directed to the ground to raise water table.
Only (a) and (b) are correct.
Only (b) and (c) are correct.
Only (a) and (c) are correct.
15
Which of the following is not a way to conserve water ?
Replacement of water
Reduce the usage of water
Reuse the used water
Recycle the water