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WorksheetsSoil Conservation
Total questions: 10
Worksheet time: 5mins
Which of the following pertains to soil conservation?
A combination of practices used to protect the soil from degradation.
A set of standards for using soil in relation to current situations.
A process of studying soil profile.
A policy of declaring a soil area to be protected for future use.
Which of the following are the best reasons for doing soil conservation methods?
I. To ensure a secure food supply at a reasonable price.
II. To improve wildlife habitat.
III. To maintain an adequate amount of organic matter and biological life.
IV. To save farmers from the effect of climate change.
I & II
I & III
I, II & III
II, III & IV
Why is planting trees help in conserving the soil? It is because _____.
It helps in maintaining soil moisture content.
Its roots hold the soil firmly avoiding erosion.
It gives nourishment to the soil.
All are correct.
It is a leveled section of a hilly cultivated area.
hills
terrace
valley
mountain
Which of the following is/are advantages of crop rotation?
I. It avoids the building up of soil pathogens.
II. It balances the fertility of the soil.
III. It maintains a good pH level of the soil that is good for crops.
I only
I & II
II & III
I, II & III
The soil contamination can be indicated by its pH level. The statement is _____.
True, because it may be due to the addition of acidic or basic pollutants.
True, because additional nutrients will always make the soil acidic.
False, because soil has its own way of controlling the pH level.
False, because low amount of nutrients will make the soil basic.
Which of the following will happen when the salinity of the soil has increased?
I. Metabolism of crops will be negatively affected.
II. Death of vegetation will occur.
III. Soil erosion will happen.
I only
II only
I & II only
I, II & III
It is a method of growing series of dissimilar crops in an area which helps in the improvement of soil structure and fertility.
countour farming
no-till farming
crop rotation
strip cropping
They are important organisms for the nitrogen cycle.
earthworms
rodents
frogs
bacteria
Complete the statement.
The salinity of soil _____.
increases when there is an excessive amount of acids.
decreases when there is an insufficient amount of acids.
increases when there is an excessive amount of salts.
decreases when there is an insufficient amount of salts
