Soil Worksheet for Grade 7 with Solved
Soil Worksheet for Grade 7: Soil Worksheet for Grade 7 students with solution in this page. Students of Standard 7 who are already cleared concept on Soil can solve this paper.
Different types of soil
Q1) What is the function of soil?
Ans. It maintains life on the earth.
Q2) What are three types of soil?
Ans. The three types of soil are clay, sandy and loamy soil.
Q3) Mention the properties of sandy and clay soil?
Ans. Sandy soil retention of air is high and water is less. Where as in clay soil retain water and minerals and retention of air is less.
Q4) What is the use of loamy soil?
Ans. loamy is used in agriculture.
Composition of soil
Q1) What are the components of soil?
Ans. soil air water and minerals.
Q2) What is the function of humus?
Ans. Increase retention of water in soil, prevent cracks in soil during dry season.
Q3) What is the soil air?
Ans. Air which retain in soil particles is called soil air.
Q4) What is the function of soil water?
Ans. Help plants to observe minerals from soil, control the temperature of air.
Q5) What is copper sulphate?
Ans. A blue colour chemical is called copper sulphate
Q6) What are soil microorganisms?
Micro organisms which are present in soil and cannot be seen in our naked eye are called microorganisms.
Q7) Function of soil organisms
Ans soil gets loosened when micro organisms dig holes, micro organisms add nutrients to the soil.
Soil erosion
Q1) What is soil erosion?
Ans. soil erosion means removal of top soil by the agents of soil erosion like windwind, water and animals.
Q2) Mention two methods to reduce soil erosion?
Ans. Use wind breakers and make drains according to contours.