Class 7 Science Chapter 9 MCQ (Multiple Choice Questions) of Soil. All the MCQ objective questions are given here with suitable answers and explanation of answers. Contents are updated for academic session 2022-2023. Important questions and MCQ collectively provide a perfect revision of the chapter for a standard 7 students. Practice here with MCQ to score good marks in exams and clear your doubts.

Class 7 Science Chapter 9 MCQ for 2022-2023

Class: 7Science
Chapter: 9Soil
Contents: MCQ Objective Questions with Answers

MCQ Tests with Answers for Class 7 Science Chapter 9

Q1

Read the following sentences carefully, and choose the correct one:

[A]. Soil is essential for the existence of life on the earth.
[B]. Soil is essential for agriculture.
[C]. Soil is the home for many living organisms
[D]. All the above
Q2

Consider the following statements and choose the incorrect one:

[A]. Soil is used to make earthenware or pottery.
[B]. Soil is used to make bricks and mortar for building houses.
[C]. Soil is used to grow only cotton plants.
[D]. Soil is used to grow trees for obtaining wood, fruits etc.
Q3

The microorganisms present in the soil require moisture or water and nutrients for growth and survival. Choose from the options below, the habitat or place where the soil has plenty of water and nutrients:

[A]. Desert
[B]. Forest
[C]. Open field
[D]. Cricket ground
Q4

Priya is writing some statements, choose the incorrect statement and help her:

[A]. Weathering of rocks is a very fast process.
[B]. Humus contains nutrients like nitrogen and phosphorus, which are needed by the plant for their growth.
[C]. Vertical section through the soil showing the different layers of soil is called soil profile.
[D]. None of the above.
Q5

Bikash is doing his homework which is given by his teacher. Would you help him to choose the incorrect sentences?

[A]. Clayey soil contains mainly clay having very small particles with very small spaces.
[B]. Clayey soil also contains very little humus.
[C]. Clayey soil has very good water holding capacity due to its very small and tightly packed particles.
[D]. Clayey soil is more fertile than loamy soil.
Q6

Payel is completed her science chapter where she wrote some statements. She wants to know whether the statements are correct or not? Payel wants to take help from you:

[A]. The layer of soil which is just below the topsoil is called B-horizon.
[B]. The sub-soil is made up of slightly bigger rock particles than that of top-soil.
[C]. The sub-soil is much fertile as compared to the top-soil.
[D]. None of the above.
Q7

200 ml of water takes 40 minutes to percolate completely in a particular soil. Calculate the percolation rate of water in the soil?

[A]. 5 ml / min
[B]. 800 ml / min
[C]. 50 ml / min
[D]. 160 ml / min
Q8

Paheli wants to see the soil profile at a place. Bujhoo told different situation to her. Choose the incorrect situation told by him:

[A]. Soil profile can be seen at the sides of a road on the hill or river bank.
[B]. Soil profile can be seen while digging a well or foundation of a building.
[C]. Soil profile can be seen by looking at the sides of a recently dug trench or ditch.
[D]. None of the above.
Q9

Consider the following statements and choose the incorrect one:

[A]. If the soil contains greater proportion of big particles, it is called sandy soil.
[B]. If the soil contains greater proportion of fine particles, it is called clayey soil.
[C]. If the soil contains about the same proportion of large and fine particles, then it is called loamy soil.
[D]. None of the above.
Q10

In addition to the rock particles, the soil contains:

[A]. Air and water
[B]. Water and plants
[C]. Mineral, organic matter, air and water
[D]. Water, air and plants
Q11

Which of the following present in soil has the smallest size of particles?

[A]. Gravel
[B]. Silt
[C]. Clay
[D]. Sand
Q12

In a quiz competition, you are asked a question where you have to choose the statement which is/ are incorrect?

[A]. Sandy soil contains mainly sand, having large particles with large spaces.
[B]. Sandy soil contains very little humus.
[C]. Sandy soil is found in desert areas.
[D]. A disadvantage of sandy soil is that it can hold much water.
Q13

200 grams of a soil is taken and dried completely in bright sunshine. The mass of dried soil is found to be 170 grams. Calculate the percentage of water or moisture present in the given sample of the soil.

[A]. 30 percent
[B]. 15 percent
[C]. 40 percent
[D]. 25 percent
Q14

In a science quiz competition, Payel are asked a question where she had to choose the statement which was/were incorrect?

[A]. All the plants growing on the surface of earth are called vegetation.
[B]. The sandy soil having the highest percolation rate allows the rainwater to reach a well faster and in greater amount.
[C]. The percolation rate of water is lowest in the clayey soil.
[D]. The soil with a high percolation rate of water would be the most suitable for growing paddy or rice crop.
Q15

Which of the following statement is or are correct?

[A]. The process in which water passes down slowly through the soil is called percolation of water.
[B]. The percolation rate of water is expressed in the unit of “millilitres per minute”.
[C]. The percolation rate of water is highest in sandy soil.
[D]. All the above.
Q16

Choose the statement which implies the soil pollution can be prevented:

[A]. The industrial chemical waste should be treated properly to make them harmless before dumping into soil.
[B]. Steps should be taken to reduce the emission of acidic gases like sulphur dioxide and nitrogen oxides from factories which cause acid rain.
[C]. The use of polythene bags should be avoided to prevent soil pollution.
[D]. All the above.
Q17

The process by which huge rocks are broken down into small particles by the action of sun’s heat, wind, rain and flowing water, etc., is called:

[A]. [A] Weathering
[B]. Erosion
[C]. Corrosion
[D]. Smothering
Q18

In a quiz competition, you are asked a question where you have to choose the statement which is/ are incorrect?

[A]. Soil contains air and water or moisture.
[B]. Soil can absorb water or soak up water.
[C]. Soil and water to percolate or pass down through it.
[D]. None of the above
Q19

We cannot see streams of water in the desert region even during rains. Possible reasons may be:

[A]. In desert, sandy soil contains very little humus.
[B]. The desert receives almost no rainfall throughout the year.
[C]. Sandy soil is light, so it has a tendency to below away by the air.
[D]. None of the above.
Q20

Badal appeared in class test but he confused to know the correct statement. Would you help him to know that?

[A]. The process of movement of water into deeper layers of soil called percolation.
[B]. Availability of water and minerals in the soil for maximum absorption by roots is in A-horizon.
[C]. Soil conservation measures mainly aim at protecting top-soil.
[D]. All the above
Q21

Which of the following do not cause soil pollution?

[A]. Jute bag and acid rain
[B]. Acid rain and cardboard
[C]. Jute bag and card board
[D]. Card board and plastic bag
Q22

The best soil for growing paddy is the one which has:

[A]. Low percolation rate of water
[B]. High percolation rate of water
[C]. Moderate percolation rate of water
[D]. Zero percolation rate of water
Q23

Paheli is writing some statements, choose the correct statement and help her:

[A]. The process of breakdown of rocks by the action of wind, water, sunlight is called weathering.
[B]. Removal of topsoil during heavy rains or strong winds is called soil erosion.
[C]. Accumulation of wastes in the soil generated by human activity which alter the features of soil called soil pollution.
[D]. All the above
Q24

Water percolating into the soil collects over:

[A]. A-horizon
[B]. B-horizon
[C]. C-horizon
[D]. None of these
Q25

Read the following statements with reference to soil and choose the correct statements from the given below:

[A]. Percolation of water is faster in sandy soils and top soil contains the maximum amount of humus.
[B]. Weathering is a very fast process of soil formation and loamy soil contains only sand and clay.
[C]. Percolation of water is faster in sandy soils and loamy soil contains only sand and clay.
[D]. Weathering is a very fast process of soil formation and percolation of water is faster in sandy soils.

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