Dams

Q. Classify dams according to the structure and materials used.

1. Embankment dams
2. Timber dams
3. Masonry dams
4. Steel dams

Q.

Seepage through embankment in an earth dam is controlled by?

Q. Which of the following types of dams are classified on the basis of structure and materials used?

1. Low dam
2. Timber dam
3. Embankment dam
4. Masonry dam

Q. On the basis of structure and materials used, dams are classified as timber dams, dams and dams.

Note: The blanks are to be filled in alphabetical order.

1. embankment
2. embarkment
3. masonry
4. lime

Q. Why are dams built?

1. For aesthetic purposes
2. To conserve water
3. To effectively utilise freshwater
4. For cleaning water

Q. What are spillways?

1. Small openings inside a dam
2. The turbine engine in the dam
3. The embankments along a dam
4. Gates inside the dam

Q. The oldest known dam in the world dates back toand lies in present day.

1. Syria
2. 4 CE
3. 4 BCE
4. Jordan

Q.

The energy of flowing water is known as

1. Water energy

2. Tidal energy

3. Hydro energy

Q. Water from the dam is directed and channelised through small openings called .

1. splitways
2. separateways
3. spillways

Q. Which of the following type/s of dams is/are classified on the basis of structure and materials used?

1. Low dam
2. Timber dam
3. Embankment dam
4. Masonry dam

Q. Statement 1: Dams are used for generation of hydroelectricity.
Statement 2: Groundwater is depleted by excessive usage.
Statement 3: Dams cause the destruction of natural vegetation.

Which of the above statements are true?

1. 1 and 2
2. 2 and 3
3. 1 and 3
4. 1, 2, and 3

Q. What is the use of constructing multipurpose river valley projects?

1. To increase the navigability of the river
2. To generate hydroelectricity
3. To control flood
4. All of the above

Q. What do you mean by inter-state water disputes? Explain it by giving some example.

Q. Which ancient Indian ruler focused on building dams?

1. Samudragupta
2. Chandragupta Maurya
3. Ashoka
4. Rajaraja Chola

Q. Which of the following is a barrier that is used as a reservoir to hold water?

1. Meander
2. Dam
3. Ox-bow
4. Sluice gate

Q. How does a drainage system affect the functioning of a region?

1. Improved agriculture
2. More rains
3. More fertile soil
4. Generate hydroelectric power

Q. A dam can be essentially referred to as a ____.

1. A river
2. A canal
3. A well
4. A barrier

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

Q. Which of the following kinds of energy is harnessed from water?

1. Hydroelectric energy
2. Solar energy
3. Geothermal energy
4. Wind energy

Q. Which of these causes water pollution?
(a) sewage
(b) industrial waste
(c) fertilizers and pesticides
(d) all of these

Q. Water from the dam is directed and channelised through small openings called .

1. spillways
2. splitways
3. separateways

Q. From the following, select the reason(s) why dams are built.

1. For aesthetic purposes
2. To conserve water
3. To effectively utilize freshwater
4. For cleaning water

Q. Electricity is a natural resource.

1. True
2. False
3. Nither
4. Either

Q. What are spillways?

1. Openings through which water from rain is stored.
2. Openings through which water from dam is sent to agricultural fields.
3. Openings through which water is spilled in large rivers.
4. Small openings through which water from dams is directed and channelised.