social science

Question 1

Which of the following are plantation crops?

Question

(a) Rice and maize (b) Wheat and pulses (c) Tea, coffee, banana and sugarcane (d) None of the above

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Class 10 Social science 3 years 1 Answer 9 views Enlightened 0

Question 2

Arid soils range from red to brown in colour. This soil is generally sandy in texture and saline in nature. In some areas, the salt content is very high and common salt is obtained by evaporating the water. Arid soil lacks humus and moisture. The lower horizons of the soil are occupied by Kankar because of the increasing calcium content downwards. The Kankar layer formations in the bottom horizons restrict the infiltration of water..Lower horizon of soil is occupied by

Question

a)Kankar b)Sedimentary Rocks c)Metamorphic Rocks d) Both a & c

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Question 3

Arid soil lacks & :

Question

a)Humus b)Moisture c)Silica & Calcium d)Both a & b

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Question 4

Arid soils range from red to brown in colour. This soil is generally sandy in texture and saline in nature. In some areas, the salt content is very high and common salt is obtained by evaporating the water. Arid soil lacks humus and moisture. The lower horizons of the soil are occupied by Kankar because of the increasing calcium content downwards. The Kankar layer formations in the bottom horizons restrict the infiltration of water..Arid soil are ___________ in color:

Question

a)Red b)Brown c)Reddish-Brown d)None

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Question 5

The laterite soil develops under tropical and subtropical climate with the alternate wet and dry season. This soil is the result of intense leaching due to heavy rain. Lateritic soils are acidic (pH<6.0) in nature and generally deficient in plant nutrients. This type of soil is found mostly in Southern states, Western Ghats region of Maharashtra, Odisha, some parts of West Bengal and North-east regions. The soil supports deciduous and evergreen forests but humus poor. This soil is very useful for growing tea and coffee.pH value of Laterite soil is:

Question

a)More than 6 b)Less than 6 c)More than 3 d)more than 7

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Question 6

The laterite soil develops under tropical and subtropical climate with the alternate wet and dry season. This soil is the result of intense leaching due to heavy rain. Lateritic soils are acidic (pH<6.0) in nature and generally deficient in plant nutrients. This type of soil is found mostly in Southern states, Western Ghats region of Maharashtra, Odisha, some parts of West Bengal and North-east regions. The soil supports deciduous and evergreen forests but humus poor. This soil is very useful for growing tea and coffee. Q1.Laterite soil develops under:

Question

a)Tropical b)Subtropical c)Both a & b

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Question 7

This type of soil develops on crystalline igneous rocks in areas of low rainfall in the eastern andsouthern parts of the Deccan plateau. These soils develop a reddish colour due to diffusion of iron in crystalline and metamorphic rocks. It looks yellow when it occurs in a hydrated form. Found in parts of Odisha, Chhattisgarh, southern parts of the middle Ganga plain and along the piedmont zone of the Western Ghats.

Question

a)True b)False

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Question 8

This type of soil develops on crystalline igneous rocks in areas of low rainfall in the eastern and southern parts of the Deccan plateau. These soils develop a reddish colour due to diffusion of iron in crystalline and metamorphic rocks. It looks yellow when it occurs in a hydrated form. Found in parts of Odisha, Chhattisgarh, southern parts of the middle Ganga plain and along the piedmont zone of the Western Ghats. Q1.Which type of soil develops on crystalline and igneous rocks ?

Question

a)Black Soil b)Igneous Soil c)Red Soil

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Question 9

This soil is black in colour and is also known as regur soil. Climatic conditions along with the parent rock material are the important factors for the formation of black soil. The soil is ideal for growing cotton and is also known as black cotton soil. This type of soil is typical of the Deccan trap (Basalt) region spread over northwest Deccan plateau and is made up of lava flows. The soil covers the plateaus of Maharashtra, Saurashtra, Malwa, Madhya Pradesh and Chhattisgarh and extends in the south-east direction along the Godavari and the Krishna valleys.The black soils are made up of extremely fine i.e. clayey material and well-known for their capacity to hold moisture. Black soil is nutrients rich and contains calcium carbonate, magnesium, potash and lime. The soil is sticky when wet and difficult to work on unless tilled immediately after the first shower or during the pre-monsoon period.Black Soil is ideal for growing cotton:

Question

a)True b)False

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Class 10 Social science 3 years 1 Answer 6 views Enlightened 0

Question 10

This soil is black in colour and is also known as regur soil. Climatic conditions along with the parent rock material are the important factors for the formation of black soil. The soil is ideal for growing cotton and is also known as black cotton soil. This type of soil is typical of the Deccan trap (Basalt) region spread over northwest Deccan plateau and is made up of lava flows. The soil covers the plateaus of Maharashtra, Saurashtra, Malwa, Madhya Pradesh and Chhattisgarh and extends in the south-east direction along the Godavari and the Krishna valleys.The black soils are made up of extremely fine i.e. clayey material and well-known for their capacity to hold moisture. Black soil is nutrients rich and contains calcium carbonate, magnesium, potash and lime. The soil is sticky when wet and difficult to work on unless tilled immediately after the first shower or during the pre-monsoon period.Black Soil is also known as:

Question

a)Regur Soil b)Rock soil c)Basalt Soil

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