Scarcity of Water and Its Reasons

Q.

Why is groundwater a highly overused resource?

Q.

Which is the purest form of water?

Q. What are the effects of overexploitation of water?

1. More water for everyone
2. Unequal distribution
3. Improved water quality
4. Diminished water quality

Q. What percentage of water is present in the atmosphere as water vapour?

1. 0.019%
2. 0.1111%
3. 0.0019%
4. 0.0033%

Q. What percentage of water is available as saltwater on Earth?

1. 97.30%
2. 92.70%
3. 0.20%
4. 97.40%

Q. Which quantitative aspects are responsible for water scarcity?

1. Overexploitation of water
2. Unequal distribution of water
3. Water pollution
4. Unequal access of water

Q.

As the rain water is the purest form of water, this can be used in lab due to:

1. Presence of ions

2. Absence of ions

3. Good smell

4. Easy availability

Q. Which qualitative aspects are responsible for water scarcity?

1. Overexploitation of water
2. Water pollution
3. Unequal access of water
4. Unequal distribution of water

Q. What are the major reasons for water scarcity?

1. Uneven rainfall
2. Overexploitation of water resources
3. Polluted water
4. Equal access of tap water

Q. Which of the following are conditions of water scarcity?

1. Insufficient fresh water resources.
2. It is phenomenon of a given area.
3. Insufficient lake water resources.
4. Scarcity for human and animal use.

Q. Which problem occurs due to lack of rainfall?

1. Drought
2. Flood
3. Water scarcity
4. Water pollution

Q.

Oceans are the biggest source of water, yet they are not fit for human consumption. Why?

Q. Which of the following steps are not a part of process that ensures water remains a renewable resource?

1. Evaporation of water from the surface.
2. Condensation to form clouds.
3. Precipitation as rain.
4. Storage of rainwater.

Q. Even though the surface of our planet is vastly covered with water, how much of it can actually be consumed?

1. Around 11%
2. Around 6%
3. Around 26%
4. Around 3%

Q. What kind of measures are being taken to counter the effects of water scarcity especially with regards to agriculture?

1. Afforestation
2. Use of ocean and sea water
3. Drought resistant crops
4. Wet farming methods

Q. Define water vapour. Write what you know about water vapour in ten points.

Q. How does the water renews and recycles itself?

1. Biological cycle
2. Hydrological cycle
3. Bio cycle
4. Rainwater cycle

Q. Assertion (A): In recent years, a lot of effort has gone into developing drought resistant crops and dry farming techniques.
Reason (R): Even today, agriculture remains the largest consumer of water.

Choose the appropriate answer regarding the above statements.

1. Both A and R are true, and R is the correct explanation of A.
2. Both A and R are true, but R is not the correct explanation of A.
3. A is true, but R is false.
4. A is false, but R is true.

Q. What percentage of water on the Earth is trapped in the form of fresh water in ice caps?

1. 0.2%
2. 2.7%
3. 0.27%
4. 2%

Q. Which of the following cities faced the possibility of 'Day Zero' in 2018?

1. Cape Town
2. New York
3. Mexico
4. Johannesburg

Q.

15. In the table given below, what can replace X?

Group I	Group II	Group III
Sedimentation	River	Transpiration
Coagulation	Sea	Evaporation
X	Wells	Condensation
Chlorination	Borewell	Precipitation

1. surface run-off

2. filtration

3. rain

4. ponds

Q. A major contribution to water scarcity is the uneven global distribution of rainfall.

1. True
2. False

Q. Why is it said that many major growing cities across the globe will soon face an increasing water shortage?

1. Because of high deforestation in cities
2. Because of air pollution in cities
3. Because of the increase in population
4. Because of the decrease in groundwater level in the city area

Q. Only 0.5% of the total water available on the Earth is usable and accessible to humans.

1. True
2. False

Q. Which of the following regions receives the highest rainfall?

1. Maharashtra
2. West Bengal
3. Rajasthan
4. Haryana

Q. Statement I: Most of the freshwater available on the Earth is present in the form of ice.
Statement II: Most of the water on Earth is saline.

Choose the correct option based on the above statements.

1. Both statements I & II are incorrect.
2. Both statements I & II are correct.
3. Only statement I is correct.
4. Only statement II is correct.

Q. Pick out the major reason(s) for high water contamination.

1. Untreated waste from industries dumped into water bodies
2. Treated domestic waste thrown into the expanse of water
3. Smokes and fumes from industries
4. Overuse of pesticides and fertilizers