Which of the following is not a cause of soil erosion?
A. Drainage
B. Deforestation
C. Weathering
D. Grazing
Select an option to see the answer and solution.
Which of the following is not a tropical type of soil?
A. Red soil
B. Desert soil
C. Black soil
D. Brown soil
Select an option to see the answer and solution.
The another name of acid or alkaline soil is
A. Regur
B. Bangar
C. Kallar
D. Khadar
Select an option to see the answer and solution.
Extensive subsistence agriculture is ________
A. Farming on the slopes of Western Ghats
B. Farming in the thickly populated areas
C. Farming in the thinly populated areas
D. Farming in the forests of equatorial region
Select an option to see the answer and solution.
Fertility of soil can be improved by ________
A. Adding living earthworms
B. Adding dead earthworms
C. Removing dead earthworms
D. Removing living earthworms and adding dead earthworms
Select an option to see the answer and solution.
Grai Soil, like the Ash of Pine Forest, is also knows as
A. Red and peat soil
B. Tundra soil
C. Podzol
D. Gray soil
Select an option to see the answer and solution.
The principal cause of soil damage in Punjab and Haryana is
A. Deforestation
B. Soil erosion
C. Excessive cultivation
D. Salinity and water logging
Select an option to see the answer and solution.
Which of the following are true in respect of alluvial soil ?
I. Generally confined to river basins
II. It has been deposited by rivers
III. It is rich in phosphorus and poor in potash
IV. It is the most fertile soil
A. I and II
B. III and IV
C. I, II and IV
D. I, II and III
Select an option to see the answer and solution.
Under which climatic conditions do the laterite soils develop ?
A. Wet tropical Climate
B. Hot and dry Climate
C. Cold temperature Climate
D. Mediterranean type of Climate
Select an option to see the answer and solution.
Which one of the following soil types of India is rendered infertile by the presence of excess iron?
A. Desert sand
B. Alluvial
C. Podzolic
D. Lateritic
Select an option to see the answer and solution.
Which of the following district of Tamil Nadu is not suitable for farming due to rising salinity
in soil?
A. Tiruchirappalli
B. Nagapattinam
C. Ramnathpuram
D. Coimbatore
Select an option to see the answer and solution.
In India the problem of utilisation of agricultural wastes is in
A. Conversion of cellulose into sugar
B. Conversion of bran into molasses
C. Conversion of starch into alcohol
D. Conversion of sugar into carbohydrates
Select an option to see the answer and solution.
The soil of northern plain of India is formed by
A. Degradation
B. Aggradation
C. Weathering in situ
D. Erosion
Select an option to see the answer and solution.
Soil of Western Rajasthan have a high content of
A. Aluminium
B. Calcium
C. Nitrogen
D. Phosphorus
Select an option to see the answer and solution.
Black cotton soil of the Deccan region of India is associated with ________ rocks.
A. Volcanic rocks
B. Plutonic rocks
C. Sedimentary rocks
D. Hypabysal rocks
Select an option to see the answer and solution.
Which of the following is/are not the characteristics of red soils?
I. They are derived from weathering of old crystalline and metamorphic rocks
II. They contain iron oxides
III. They have high water retention capacity
IV. They have high nitrogen content
A. II and III
B. Only III
C. Only IV
D. III and IV
Select an option to see the answer and solution.
Which of the following soils is formed under typical monsoonal conditions?
A. Black Soils
B. Red Soils
C. Laterite Soils
D. None of these
Select an option to see the answer and solution.
Which of the following types of soils have a marked capacity to retain water?
A. Desert soil
B. Laterite soil
C. Red soil
D. Regur soil
Select an option to see the answer and solution.
Which of the following statements regarding red soils of India is/are correct?
1. The colour of the soil is-red due to ferric oxide content.
2. Red soils are rich in lime, humous and potash.
3. They are porous and have friable structure.
A. 1 only
B. 1 and 3 only
C. 2 and 3 only
D. 1, 2 and 3
Select an option to see the answer and solution.
Which of the following can be used to correct acidic soil?
A. Gypsum
B. Lime
C. Vegetable compost
D. Calcium superphosphate
Select an option to see the answer and solution.