Tag: external forces - responsible for changes

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Questions Related to external forces - responsible for changes

Multiple choice geography external forces - responsible for changes the soil soil erosion (geo) soil erosion, soil conservation and uses of soil

Match the following:

List I                                List II
      (A)                                (B)
A - Land use            1 -  Prevent soil erosion 
B - Humus               2 - Land suitable for agriculture
C - Rock dams        3 - Productive use of land
D - Arable land       4 - Organic matter deposited on topsoil

  1. <p class="MsoNormal">A- 3, B- 4, C- 1, D- 2</p>

  2. A- 2, B- 4, C- 3, D- 1

  3. A- 3, B- 4, C- 2, D- 1

  4. A- 4, B- 3, C- 1, D- 2
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Answer: A- 3; B- 4; C- 1; D- 2

Land use: Land is used for different purposes such as agriculture, forestry, mining, building houses, roads and setting up of industries. This is known as land use.

Humus: Humus is defined as black organic matter formed in soil due to the decay of dead plant and animal matter.

Rock dams: These are the artificial embankments created by constructing mould of soil, clay, sand and rock. Main function is to prevent floods and soil erosion

Arable land: It is the land suitable for agriculture.

Multiple choice geography external forces - responsible for changes the soil soil erosion (geo) soil erosion, soil conservation and uses of soil

Which of the following is the most effective method of soil conservation of hill slopes?

  1. Afforestation

  2. Construction of terraces

  3. Construction of check-dams

  4. Identification of the type of sand
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Afforestation is the most effective method for soil conservation on hill slopes because tree roots bind the soil together, preventing erosion caused by water runoff.

Multiple choice geography external forces - responsible for changes the soil soil erosion (geo) soil erosion, soil conservation and uses of soil

Which of the following is not an effective measure of soil conservation?

  1. Terracing

  2. Contour cultivation

  3. Afforestation

  4. None of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Terracing, contour cultivation, and afforestation are all well-established and effective methods of soil conservation. Therefore, none of the options listed are 'not' effective.

Multiple choice geography external forces - responsible for changes the soil soil erosion (geo) soil erosion, soil conservation and uses of soil

Soil erosion caused by wind is high in the state of _______.

  1. Andhra Pradesh

  2. Madhya Pradesh

  3. Rajasthan

  4. Gujrat
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

1:The denudation of the soil cover and subsequent washing down is described as soil erosion. Wind blows loose soil off flat or sloping land known as wind erosion. It is very high in the state of Rajasthan.
2:It causes soil loss, dryness and deterioration of soil structure, nutrient and productivity losses and air pollution. Suspended dust and dirt is inevitably deposited over everything.

Multiple choice geography external forces - responsible for changes the soil soil erosion (geo) soil erosion, soil conservation and uses of soil

Which of the following method is used in Western and Central Himalayas for the soil conservation?

  1. Terrace farming

  2. Strip cropping

  3. Shelter belts

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Steps can be cut out on the slopes making terraces. Terrace cultivation restricts erosion. Western and central Himalayas have well developed terrace farming. 

Multiple choice geography external forces - responsible for changes the soil soil erosion (geo) soil erosion, soil conservation and uses of soil

Terracing helps soil conservation in ___________.

  1. Plains

  2. Deserts

  3. Hilly areas

  4. Wet areas
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A terrace in agriculture is a piece of sloped plane that has been cut into a series of successively receding flat surfaces or platforms, which resemble steps, for the purposes of more effective farming. This method is called terracing. It is very useful in soil conservation in hilly or mountain areas.