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CHAPTER 4: SOIL
TOPIC - SOIL CONSERVATION
OBJECTIVE QUESTIONS:
Q.1. Conservation of soil is important because __________.
a) It is impossible to replace soil
b) Most of the Earth's land is arable
c) It takes a very long time to replace lost soil
d) Food cannot be grown anywhere else
Q.2.Which of the following methods is most appropriate to check soil erosion on steep slopes?
a) Shelter belts
b) Terrace farming
c) Building dams
d) None of these
Q.3.Which of the following refers to the planting of trees on a large scale on an area that has
not been forested before?
a) Deforestation
b) Afforestation
c) Terrace farming
d) Soil erosion
Q.4.Which soil conservation technique should a farmer practice if his field is in high wind zone
area?
a) Relationships
b) He must grow trees to create windbreaks.
c) He must practice terrace farming.
d) He must plant small plants.
