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Indian Geography > Soil > Flashcards

Soil Flashcards

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1
Q

Weathered rock material is called

A

Regolith

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2
Q

What are the types of soils?

A

Sandy, clayey, silty and loamy

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3
Q

Study of soil is called?

A

Pedalogy

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4
Q

What are the different soil structures?

A

Platy, Prismatic, Blocky, Granular

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5
Q

What are the soils found in India?

A

Black, Laterite, Alluvial, Forest, Red & Yellow, Arid soil

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6
Q

Where is alluvial soil found?

A

Gangetic plains & deltas of Eastern Coast

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7
Q

Characteristics of alluvial soil?

A

Rich is potash, poor in phosphorous

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8
Q

Where is black soil found?

A

Deccan Trap

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9
Q

Characteristics of black soil?

A

Deficient in Humus, Nitrogen and Phosphorous

Rich in Potash, Iron, Magnesia and Alumina

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10
Q

Why is black soil black?

A

Because it is rich in titaniferous magnetic material

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11
Q

Where is red soil found?

A

Odisha, Chattisgarh and southern parts of middle gangetic plains

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12
Q

Characteristics of red soil?

A

Pure in Nitrogen, Phosphorous and Humus

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13
Q

Why is red soil red?

A

due to wide diffusion of iron from crystalline and metamorphic rocks

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14
Q

When does red soil become yellow?

A

When it comes in contact with water- hydrated form

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15
Q

Where is laterite soil found?

A

Middle & Southern Sayadris, Eastern Ghat region & Shillong plateau

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16
Q

Characteristics of laterite soil?

A

Rich in potash but poor in nitrogen and phosphorous, mainly high altitude

17
Q

Where is arid soil found?

A

dry climate with accelerated evaporation and high temp

18
Q

Characteristics of arid soil?

A

lacks moisture, humus and nitrogen insufficient

phosphate levels normal

19
Q

Where is saline soil found?

A

Western Gujarat, some parts of deltas of East Coast, Rann of Kutch
regions of excessive irrigation, Punjab & Haryana

20
Q

Characteristics of saline soil?

A

larger proportions of Sodium, Potassium, Magnesium present

Lacking in Nitrogen and Calcium

21
Q

Where is peaty soil found?

A

Northern parts of Bihar, southern part of Uttrakhand, coastal regions of West Bengal, Odisha and Tamil Nadu

22
Q

What are the different methods of soil degradation?

A

Soil Erosion, Soil Pollution, Soil Salinization, Soil Alkalisation, Soil Concretisation

Indian Geography (11 decks)

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