Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Geography > Soil Resources - Part II > Flashcards

Soil Resources - Part II Flashcards

You may prefer our related Brainscape-certified flashcards:
U.S. Geography flashcards World Geography flashcards
1
Q

Why is Red soil red in colour?

A

Due to the concentration of Iron Oxide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Ancient crystalline and metamorphic rocks of the ________ area break up to form red soil

A

Peninsular Plateau

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

_______ soil forms the second largest soil group of India

A

Red soil

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Regions where red soil is found?

A

Maharashtra, Odisha, Jharkhand, Bundelkhand

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

pH value of red soil?

A

6.6 to 8.0

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Characteristics of red soil?

A
  1. Red soil is red in colour due to the concentration of Iron Oxide
  2. It is porous and poor in nitrogen, phosphorous and potassium
  3. Contains soluble salts in small quantities
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Crops of red soil?

A 
P - Potato
T- Tobacco 
G - Groundnut 
R - Rice 
R - Ragi
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is laterite soil?

A

Laterite soil is the soil formed as a result of atmospheric weathering of rocks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is leaching?

A

The percolation of the nutrients of the of the soil due to heavy rainfall leaving the top soil infertile

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Other name for leaching?

A

Desilication

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The two types of laterite soils?

A

Upland laterite and Lowland laterite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is Upland laterite soil?

A

The laterite soil which is formed over hills and uplands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is Lowland laterite soil?

A

The soil transported from the highlands to the lowlands by the streams

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are the characteristics of Laterite soil?

A
  1. It is coarse in texture
  2. It is rich in iron oxide and is subjected to leaching
  3. Deficient in nitrogen
  4. Acidic in nature and is used for building purpose
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Regions under laterite soil?

A

Madhya Pradesh, Odisha, Maharashtra, West Bengal, Andhra Pradesh, Karnataka and Tamil Nadu

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Crops associated with laterite soils?

A 
C - Coffe
R - Rice
R - Ragi
R - Rubber
S - Sugarcane
T - Tea
17
Q

What is Soil erosion?

A

The removal of the top soil cover by running water, wind and human activities is known as soil erosion

18
Q

What are the types of soil erosion?

A
  1. Erosion by water:
    i. Sheet erosion
    ii. Rill erosion
    iii. Gully erosion
    iv. Leaching
    v. Sea or Shore erosion
    vi. Stream Bank Erosion
  2. Erosion by Wind
19
Q

3 things which lead to soil erosion?

A

Faulty agricultural practices, overgrazing, deforestation

20
Q

3 things which help in the conservation of soil?

A

Improved agricultural practices, reduced pressure of overgrazing and afforestation

21
Q

Alluvial soil is formed by the deposition of ……………………… as it flows from its upper to lower course

A

river load

22
Q

Alluvial soil is formed by the deposition of river load as it flows from ………………………. to ………………………

A

upper to lower course

23
Q

…………………………… is found upto a depth of 500m

A

Alluvial soil

24
Q

Alluvial soil is found upto a depth of ……….. meters

A

500

25
Q

Alluvial Soil is easily …………………

A

tillable

26
Q

Maharashtra, Mtadhya Pradesh, Andhra Pradesh, Karnataka and Tamil Nadu are a part of ………………………..

A

Deccan lava tract

27
Q

The ……………………….. of black soil makes it suitable for dry farming

A

moisture retentiveness

28
Q

What is the pH value of red soil

A

6.6 to 8.0

29
Q

Besides human activity, soils are degraded by nature during …………………. and …………………………..

A

droughts and floods

30
Q

Sheet erosion occurs on ……………………………….. areas where ………………. is destroyed

A

gentle slope, vegetation

31
Q

When sheet erosion occurs for long, the silt-laden run-off forms many ……………………………….. over a large area

A

finger-shaped rills or grooves

32
Q

……………………………………. is the intermediate stage between sheet erosion and gully erosion

A

Rill erosion

33
Q

………………….. erosion removes nutrients and heavy load of loose soil making the soil unproductive

A

gully

34
Q

…………………. occurs when there is heavy downpour when the farmers leave the soil bare for some time after harvesting

A

leaching

35
Q

…………………………… is the slow removal of thin layer of soil when vegetation is destroyed

A

sheet erosion

36
Q

What type of water is involved in sea or shore eroision?

A

A) Underground water
B) Rainwater
C) Atmospheric water
D) Tidal water

option D is right

37
Q

Where does sea or shore erosion occur?

A

Eastern and Western coasts of India

38
Q

As a result of ……………………… large agricultural areas in the Uttar Pradesh and Madhya Pradesh and Rajasthan is getting transformed into ravines

A

Stream bank erosion

Geography (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions