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Social Studies > Drainage > Flashcards

Drainage Flashcards

1
Q

What is drainage?

A

The process of removing excess water from land or soil.

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2
Q

What are the two main types of drainage systems?

A

Surface drainage and subsurface drainage.

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3
Q

True or False: Drainage is only important in agricultural areas.

A

False.

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4
Q

What is surface drainage?

A

The removal of excess water from the surface of the land.

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5
Q

What is subsurface drainage?

A

The removal of excess water from below the surface of the land.

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6
Q

Fill in the blank: The main purpose of drainage is to manage __________.

A

water.

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7
Q

What is the impact of poor drainage on agriculture?

A

It can lead to waterlogging, crop damage, and reduced yields.

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8
Q

What are drainage tiles?

A

Pipes installed underground to facilitate subsurface drainage.

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9
Q

Multiple choice: Which of the following is a benefit of effective drainage? A) Increased soil fertility B) Water conservation C) Reduced flooding D) All of the above

A

D) All of the above.

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10
Q

True or False: Drainage can help control soil erosion.

A

True.

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11
Q

What is the role of vegetation in drainage?

A

Vegetation helps absorb water and stabilize soil, reducing runoff.

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12
Q

What is the term for the water that saturates the soil?

A

Groundwater.

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13
Q

Fill in the blank: __________ drainage involves the use of ditches and channels.

A

Surface.

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14
Q

What are the main factors affecting drainage?

A

Soil type, topography, climate, and land use.

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15
Q

What is a watershed?

A

An area of land that drains into a specific water body.

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16
Q

Multiple choice: Which type of soil typically has good drainage? A) Clay B) Sandy C) Loamy D) Silty

A

B) Sandy.

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17
Q

True or False: Drainage can negatively affect local ecosystems.

A

True.

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18
Q

What are stormwater management practices?

A

Techniques used to manage the quantity and quality of stormwater runoff.

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19
Q

Fill in the blank: __________ drainage systems are designed to remove excess water from the soil.

A

Subsurface.

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20
Q

What is the function of a drainage basin?

A

To collect and channel rainwater to rivers and streams.

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21
Q

What can excessive drainage lead to?

A

Soil erosion and loss of nutrients.

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22
Q

What is a drainage map?

A

A map that shows the drainage patterns and systems in an area.

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23
Q

Multiple choice: Which of the following is NOT a method of drainage? A) Ditches B) Wells C) Ponds D) Pumps

A

C) Ponds.

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24
Q

What is the significance of drainage in urban areas?

A

It helps prevent flooding and manage stormwater runoff.

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25
Q

Fill in the blank: __________ systems are used to control the flow of water in agricultural fields.

A

Irrigation.

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26
Q

What is the term for the process of water infiltrating the soil?

A

Infiltration.

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27
Q

True or False: Drainage can improve road safety during heavy rains.

A

True.

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28
Q

What is a culvert?

A

A structure that allows water to flow under a road or pathway.

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29
Q

What are the consequences of poor drainage in urban areas?

A

Increased flooding, property damage, and traffic disruptions.

30
Q

Fill in the blank: The __________ is the area from which a river collects its water.

A

drainage basin.

31
Q

What is the main goal of drainage engineering?

A

To design systems that effectively manage water flow.

32
Q

Multiple choice: Which of the following is a common tool used in drainage surveys? A) Level B) Compass C) Tape measure D) All of the above

A

D) All of the above.

33
Q

What is a retention pond?

A

A pond designed to hold stormwater and reduce runoff.

34
Q

True or False: Drainage can enhance the aesthetic value of landscapes.

A

True.

35
Q

What is the importance of maintaining drainage systems?

A

To ensure they function properly and prevent flooding.

36
Q

Fill in the blank: __________ is the process of removing sediment and debris from drainage channels.

A

Maintenance.

37
Q

What is the role of permeable surfaces in drainage?

A

They allow water to infiltrate the ground, reducing runoff.

38
Q

What is one method to improve drainage in clay soils?

A

Adding organic matter to increase soil porosity.

39
Q

Multiple choice: Which of the following technologies can aid in drainage management? A) GIS B) GPS C) Remote sensing D) All of the above

A

D) All of the above.

40
Q

What is the impact of urbanization on natural drainage systems?

A

It often leads to increased runoff and reduced natural water absorption.

41
Q

True or False: Drainage practices can be harmful to local wildlife.

A

True.

42
Q

What is a drainage channel?

A

A man-made or natural watercourse designed to direct water flow.

43
Q

Fill in the blank: __________ is the gradual reduction of soil fertility due to excessive drainage.

A

Degradation.

44
Q

What are the environmental considerations in drainage planning?

A

Impact on biodiversity, water quality, and soil health.

45
Q

What is the role of check dams in drainage?

A

To slow down water flow and promote groundwater recharge.

46
Q

Multiple choice: Which factor does NOT influence drainage design? A) Soil type B) Climate C) Population density D) Drainage area

A

C) Population density.

47
Q

What is the term for water that flows over the ground surface?

A

Surface runoff.

48
Q

What is the primary factor influencing India’s climate?

A

The monsoon winds.

49
Q

True or False: India experiences only one season throughout the year.

A

False.

50
Q

Fill in the blank: The __________ season in India is characterized by heavy rainfall.

A

monsoon

51
Q

What are the four main seasons in India?

A

Winter, summer, monsoon, and post-monsoon.

52
Q

Which region in India is known for having a tropical wet climate?

A

The Western Ghats.

53
Q

What is the impact of the Himalayas on India’s climate?

A

They block cold winds from Central Asia, moderating the climate.

54
Q

What type of climate is found in the Thar Desert?

A

Arid climate.

55
Q

True or False: The climate of India is uniform across the country.

A

False.

56
Q

What is the significance of the southwest monsoon?

A

It brings the majority of India’s annual rainfall.

57
Q

Name one effect of climate change on India.

A

Increased frequency of extreme weather events.

58
Q

What is the role of the Indian Ocean in influencing the climate?

A

It contributes to the monsoon patterns and humidity levels.

59
Q

Which Indian state is known for heavy monsoon rainfall?

A

Meghalaya.

60
Q

What is a ‘rain shadow’ region?

A

An area that receives less rainfall due to being on the leeward side of a mountain.

61
Q

True or False: The eastern coast of India receives less rainfall than the western coast.

A

False.

62
Q

What is the average temperature range during summer in most parts of India?

A

30°C to 45°C.

63
Q

Fill in the blank: The __________ climate is found in the southernmost parts of India.

A

tropical

64
Q

Which climate zone is characterized by cold winters and hot summers?

A

The temperate climate zone.

65
Q

What is the main source of irrigation in India during the dry season?

A

Groundwater.

66
Q

True or False: Urbanization has no effect on local climate in India.

A

False.

67
Q

What is meant by ‘climate variability’?

A

Fluctuations in climate patterns over time.

68
Q

Which phenomenon can lead to drought conditions in India?

A

El Niño.

69
Q

What is the significance of the National Disaster Management Plan in relation to climate?

A

It aims to mitigate the effects of climate change and disasters.

70
Q

Fill in the blank: The __________ is a period of reduced rainfall that affects agriculture.

A

drought

71
Q

What is one adaptation strategy for farmers in response to climate change?

A

Diversifying crops.

72
Q

True or False: Climate change is expected to increase the agricultural productivity in India.

A

False.

Social Studies (4 decks)

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