Soil MCQ Questions for Class 7 Science Chapter 9 with Answers

We have completed the NCERT/CBSE chapter-wise Multiple Choice Questions for Class 7 Science book Chapter 9 Soil with Answers by expert subject teacher for latest syllabus and examination. You can Prepare effectively for the exam taking the help of the Class 7 Science Objective Questions PDF free of cost from here. Students can take a free test of the Multiple Choice Questions of Soil. Each Questions has four options followed by the right answer. Download the Science Quiz Questions with Answers for Class 7 free Pdf and prepare to exam and help students understand the concept very well.

MCQ Questions for Class 7 Science with Answers

Q1. The uses of soil are:

(i) soil gives crop
(ii) soil gives support to buildings
(iii) toys can be made from soil
(iv) all of these

(i) soil gives crop

Q2. Soil best suited for cultivation of wheat, rice and sugarcane is

(i) Alluvial soil
(ii) Laterite soil
(iii) Mountain soil
(iv) None of these

(i) Alluvial soil

Q3. Which of the following type of soil will form a colloidal solution when suspended in water?

(i) Clay
(ii) Silt
(iii) Sand
(iv) Gravel

(i) Clay

Q4. Humus and the smallest particles of rock form the upper layer of soil called:

(i) parent rock
(ii) sub soil
(iii) top soil
(iv) none of these

(iv) none of these

Q5. Which of the following does not cause soil erosion?

(i) Deforestation
(ii) Terrace farming
(iii) Floods
(iv) Overgrazing

(ii) Terrace farming

Q6. Soil is formed from the parent rock material by a very slow and gradual process called:

(i) processing
(ii) weathering
(iii) breaking
(iv) cutting

(ii) weathering

Q7. A well-developed soil profile is the result of:

(i) physical process
(ii) chemical process
(iii) organic process
(iv) All of the above

(iv) All of the above

Q8. Which one of the following is a step in the formation of soil?

(i) Earthquakes or volcanic eruptions
(ii) Weathering of rocks
(iii) Addition of humus
(iv) All are involved in the formation of soil

(iv) All are involved in the formation of soil

Q9. aerates the soil and allows the air to reach the roots of plants:

(i) earthworm
(ii) becteria
(iii) fungi
(iv) virus

(iv) virus

Q10. The best top soil for growing plants is

(i) sandy soil
(ii) loamy soil
(iii) clayey soil
(iv) all of these

(ii) loamy soil

Q11. Different layers of the soil differs in feels colours, depth and chemical composition are:

(i) horizons
(ii) soil profile
(iii) weathering
(iv) can’t say

(ii) soil profile

Q12. Clay particles are of size

(i) More than 0.004 mm
(ii) Less than 0.04 mm
(iii) More than 0.02 mm
(iv) Less than 0.002 mm

(iv) Less than 0.002 mm

Q13. The proportion of sand, silt and clay in a soil sample determines

(i) structure
(ii) texture
(iii) nutrient potential
(iv) fertility level

(ii) texture

Q14. Soil carried from else where and deposits them in the:

(i) substratum
(ii) B horizon
(iii) C horizon
(iv) transported soil

(iv) transported soil

Q15. One of the following is not a type of soil. This one is

(i) loamy soil
(ii) silty soil
(iii) clayey soil
(iv) sandy soil

(ii) silty soil

Q16. Which type of soil will allow water to reach a well faster and in greater amount ?

(i) clayey soil
(ii) sandy soil
(iii) loamy soil
(iv) none of these

(i) clayey soil

Q17. Cotton is grown in

(i) Clayey soil
(ii) Loamy soil
(iii) Laterite soil
(iv) Sandy loam soil

(iv) Sandy loam soil

Q18. Availability of water and minerals in the soil for maximum absorption by roots is in the:

(i) B-horizon
(ii) C-horizon
(iii) A-horizon
(iv) Surface of soil

(iii) A-horizon

Q19.Humus is present in:

(i) bad rock
(ii) gravel
(iii) topsoil
(iv) subsoil

(iii) topsoil

Q20. Which type of soil is the best for growing cotton?

(i) Sandy
(ii) Clayey
(iii) Loamy
(iv) Sandy-loam

(iv) Sandy-loam

Q21. Which type of soil retains the least amount of water ?

(i) sandy soil
(ii) loamy soil
(iii) clayey soil
(iv) none of these

(i) sandy soil

Q22. Breaking down of big pieces of rock into smaller pieces is called

(i) Soiling
(ii) Mounding
(iii) Weathering
(iv) Curving

(iii) Weathering

Q23. Loamy soil is most suitable for planting:

(i) rice crop
(ii) pulses crop
(iii) cotton crop
(iv) all of these

(i) rice crop

Q24. Which of the following cannot prevent soil erosion?

(i) Reforestation
(ii) Deforestation
(iii) Silviculture
(iv) Plantation

(ii) Deforestation

Q25. The hard layer of rocks below the C horizon is called:

(i) bottom rock
(ii) substratum
(iii) bed rock
(iv) gravel

(i) bottom rock

Q26. Red soil In which horizon of soil weathering is taking place?

(i) C-horizon.
(ii) O-horizon
(iii) B-horizon
(iv) A-horizon

(ii) O-horizon

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