Dams

Q.

State some economic benefits of rivers and lakes.

Q. Which ancient Indian ruler focused on building dams?

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

Q. A dam is a barrier across flowing water to obstruct, direct or hamper its flow by often creating a reservoir, lake or an impoundment.

1. True
2. False

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

1. splitways
2. separateways
3. spillways

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. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Why are dams built?

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

Q. What is transportation by canals and rivers called?

1. Outland navigation
2. Canal navigation
3. Dam navigation
4. Inland navigation

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

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

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. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> 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. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> What are spillways?

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

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. 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. Dams are usually built to retain the rivers and the rainwater that could be used later for irrigating the agricultural fields.

1. False
2. True

Q. Coastal erosion refers to the loss of coastal lands due to the net removal of sediments or bedrock from the shoreline.

1. True
2. False

Q.

ploughing along the contour lines can decelvate the flow of water down the slopes . decelevate means what

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

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

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. What are spillways?

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

Q. Why was the construction of the nine dams of the Tennessee Valley Authority the subject of fierce debate during the 1930 s?

1. State governments, namely Tennessee. Georgia. and Alabama, resented the Federal government's intervention in their states' infrastructure programs.
2. Northern politicians questioned the necessity of the project during the Great Depression.
3. Environmentalists resented the impact such construction would have on the wildlife of the region.
4. African-American groups in the region resented the prejudice they faced in the construction hiring process.
5. Private utility companies resented the cheap electrical power offered through this government project.

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. Trace the path of Narmada Bachao Andolan from beginning to the present state.

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

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

Q. What causes inter-state river water disputes?

Q. What are the small openings through which water from the dam is directed and channelised called?

1. Spillways
2. Waterways
3. Embankments
4. Embarkments

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