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SAI International School
Subject - Chemistry
Class - VII
Topic - SOIL; A Natural Resource
Sub-topic - Soil Erosion, Soil Pollution, Soil Conservation
Home Assignment
Objective (MCQs)
Sl. No. Questions Skill Marks
1. Dams and embankments can prevent __________. U 1
a. Soil erosion
b. Soil pollution
c. Soil conservation
d. Soil profile
2. Which of the following does not lead to soil erosion? U 1
a. Construction of roads
b. Planting trees
c. Overgrazing animals
d. Cutting trees
3. This makes the soil barren and increases the chances of U 1
floods.
a. Afforestation
b. Deforestation
c. Water absorption
d. Soil profile
4. We can conserve soil by ________ farming. K 1
a. Forest
b. Garden
c. Agriculture
d. Terrace
5. ________ can prevent soil degradation. K 1
a. Deforestation
b. Soil pollution
c. Crop rotation
d. Percolation
6. Growing cotton and legumes alternately can replenish U 1
_________ in the soil.
a. Water
b. Oxygen
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