Chapter 6 - Soils [ UNIT III: CLIMATE, VEGETATION, AND SOIL]
1. This arrangement of soil layers is known as the ----------.
a) Soil profile
b) Soil fertility
c) Soil productivity
d) Parent rock
Answer. a) Soil profile
2. Soils consist of three layers which are called-------.
a) Humus
b) Parent rock
c) Horizons
d) Zone
Answer. c) Horizons
3. Alluvial soils cover about ----------- percent of the total area of the country.
a) 25
b) 35
c) 40
d) 55
Answer. c) 40
4. Which of the following is not true regarding Alluvial soils?
a) The soil is rich in Potash.
b) The soil is poor in Phosphorous and Nitrogen.
c) Bhangar represents a system of newer alluvium deposits.
d) The color of the alluvial soils varies from light grey to ash grey.
Answer. c) Bhangar represents a system of newer (older) alluvium deposits.
5. Which of the following soil has self-plowing in nature?
a) Alluvial
b) Black
d) Red
d) Laterite
Answer. b) Black
6. Which of the following soils are rich in lime, iron, magnesia, and alumina. But they lack phosphorous, nitrogen, and organic matter.
a) Alluvial
b) Black
d) Red
d) Laterite
Answer. b) Black
7. The ------------ soils develop in areas with high temperatures and high rainfall.
a) Alluvial
b) Black
d) Red
d) Laterite
Answer. d) Laterite
8. ------------------ soils are widely cut as bricks for use in house construction.
a) Alluvial
b) Black
d) Red
d) Laterite
Answer. d) Laterite
9. ---------------are found in the areas of heavy rainfall and high humidity, where there is a good growth of vegetation.
a) Peaty
b) Black
d) Red
d) Laterite
Answer. a) Peaty
10. Which of the following is not a major cause of soil erosion?
a) Deforestation
b) Over-grazing
c) Mining
d) Contour bunding
Answer. d) Contour binding is a soil conservation method.
11. Which one of the following is the most widespread and most productive category of soil?
a) Alluvial Soil
b) Laterite Soil
c) Black Soil
d) Forest Soil
Answer. a) Alluvial Soil
12. ‘Regur Soil’ is another name for the.
a) Saline Soil
b) Arid Soil
c) Black Soil
d) Laterite Soil
Answer. c) Black Soil
13. Which one of the following is the main reason for the loss of topsoil in India?
a) Wind erosion
b) Water erosion
c) Excessive leaching
d) None of these
Answer. b) Water erosion
15.
Chapter-wise MCQ of India Physical Environment[ Class-11]:
- Chapter-1[India — Location [ Unit-I : Introduction]]
- Chapter-2 [Structure and Physiography [ UNIT II: PHYSIOGRAPHY]]
- Chapter-3 [Drainage System [ UNIT II: PHYSIOGRAPHY]]
- Chapter-4[ Climate [ UNIT III: CLIMATE, VEGETATION, AND SOIL]]
- Chapter 5 - Natural Vegetation [ UNIT III: CLIMATE, VEGETATION, AND SOIL]
- Chapter 6 - Soils [ UNIT III: CLIMATE, VEGETATION, AND SOIL]
- Chapter 7 -Natural Hazards and Disasters [ UNIT IV: NATURAL HAZARDS AND DISASTERS: CAUSES, CONSEQUENCES, AND MANAGEMENT]
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