Soil Science Multiple Choice Questions And Answers:: Agriculture Entrance/Competitive Exams

Soil Science

Soil Science is the science of study of soil and its relation with plants which is known as Soil-Plant-Relationship.

Soil Science Multiple Choice Questions

Soil Science Multiple Choice Questions are the set of many objective type questions inside a question booklets in different agricultural entrance exams.

In this page we are going to udate some MCQ(S), related to soil science, regularly.

Soil Science Competitive Entrance Exam List:

  1. National Eligibility Test.
  2. Common Entrance Test or CET.
  3. Pre Agriculture Tests.
  4. CET for M. Sc.
  5. CET for Ph.D.

This Page is Updated

Last Updated: 22-04-2021 at 18:16 pm IST.

No. of Questions Added: 05,. from section B.

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PART 03: Soil Science MCQ

SECTION A: General

Question- #1. Source of Mg is?

(a). Orthoclase.
(b). Micas.
(c). Dolomite.
(d). Magnetite.

See Answer

Question- #2. Contrast to pedzolization is?

(a). Laterization.
(b). Gleization.
(c). Pedoturbation.
(d). Eluviation.

See Answer

Question- #3. Edaphology is a….?

(a). Latin word.
(b). Greek word.
(c). Swedish.
(d). Non of the above.

See Answer

Question- #4. Maximum eluviation is found in?

(a). E.
(b). A2.
(c). Both a and b.
(d). AB/EB.

See Answer

Question- #5. Size of fine sand is?

(a). 0.02 – 0.2.
(b). 0.2 – 2.
(c). 0.002.
(d). 0.02 – 0.002.

See Answer

Question- #6. Water holding capacity is low?

(a). Clay soil.
(b). Loam soil.
(c). Gravel.
(d). Sandy soil.

See Answer

Question- #7. First manufactured fertilizer in India is..?

(a). SSP.
(b). DSP.
(c). Urea.
(d). Phosphate.

See Answer

Question- #8. Recently formed soil order is..?

(a). Histosol.
(b). Entisol.
(c). Alfisol.
(d). Ultisols.

See Answer

Question- #9. Clay soil should have..?

(a). 40% clay.
(b). 20% clay.
(c). 35% clay.
(d). 30 % clay.

See Answer

Question 10. First manufactured fertilizer in India is..?

(a). Urea.
(b). CAN.
(c). SSP.
(d). Non of the above.

See Answer

Question 11. The crop which absorb the ammoniacal form directly..?

(a). Paddy.
(b). Potato.
(c). Both a and b.
(d). Wheat.

See Answer

Question 12. Major source of P is..?

(a). Apatite.
(b). Orthoclase.
(c). Tourmaline.
(d). Olivine.

See Answer

Question 13. Major source of P is..?

(a). Apatite.
(b). Orthoclase.
(c). Tourmaline.
(d). Olivine.

See Answer

Question 14. Major source of Mo is..?

(a). Apatite.
(b). Feldspars.
(c). Quartz.
(d). Olivine.

See Answer

Question 15. Major source of K is..?

(a). Orthoclase.
(b). Apatite.
(c). Feldspars.
(d). Quartz.

See Answer

Question 16. C. E. C. (C mol (P+)/kg of vermiculite is..?

(a). 50 – 70.
(b). 75 – 80.
(c). 80 – 150.
(d). >150.

See Answer

Question 17. P in FYM is..?

(a). 0.1%.
(b). 0.2%.
(c). 0.3%.
(d). 0.4%.

See Answer

Question 18. Fastest N fixing plant is?

(a). Sesbania.
(b). Sunhemp.
(c). Clover.
(d). Lupin.

See Answer

Question 19. Nitrogen % in cotton crop is..?

(a). 4.5%.
(b). 5.5%.
(c). 6.5%.
(d). 7.5%.

See Answer

Question 20. Which is known as kisan khad?

(a). CAN.
(b). MOP.
(c). DAP.
(d). Non of the above.

See Answer

Question 21. The pore space percentage is highest in….?

(a). Sandy loam surface soil.
(b). Clay surface soil.
(c). Sandy loam lower space.
(d). Clay soil lower space.

See Answer

Question 22. Chlorites are silicates of..?

(a). Fe with Al.
(b). Mg with Fe.
(c). Mg with Al.
(d). Mg with Al and Fe.

See Answer

Question 23. Which type of soil water is most useful for plants?

(a). Hygroscopic.
(b). Capillary water.
(c). Both a and b.
(d). Gravitational water.

See Answer

Question 24. Which is natural soil erosion?

(a). Hydrological erosion.
(b). Wind erosion.
(c). Geological erosion.
(d). Site specific erosion.

See Answer

Question 25. Diara lands are..?

(a). Area flooded by heavy rain.
(b). Area created by sand storms.
(c). Area by flooded by canal water.
(d). Area located on either side of river get flooded every year.

See Answer

Question 26. …. is the process of moving out of sesquioxide?

(a). Pedozolization.
(b). Pedoturbation.
(c). Pedonization.
(d). Non of the above.

See Answer

Question 27. The organic soil should have at least.. OM?

(a). 30%.
(b). 20%.
(c). 15%.
(d). 10%.

See Answer

Question 28. The diameter of clay particle is..?

(a). .02 mm.
(b). .002 mm.
(c). .0002mm.
(d). .2 mm.

See Answer

Question 29. The particle density of most of the soil is..?

(a). 2.65 g/cc.
(b). 2.45 g/cc.
(c). 2.66 g/cc.
(d). 2.55 g/cc.

See Answer

Question 30. Kaolinite is a type of..?

(a). 1:1 mineral.
(b). 1:2 mineral.
(c). 2:1 mineral.
(d). 1:1:1 mineral.

See Answer

Question 31. Olivine is the major source of..?

(a). Mo.
(b). B.
(c). K.
(d). P.

Question 32. Which is least resistant to weathering?

(a). Dolomite.
(b). Calcite.
(c). Quartz.
(d). Apatite.

Question 33. Pedoturbation is..?

(a). Process of weathering.
(b). Process of soil adhesion.
(c). Process of soil mixing.
(d). Non of the above.

Question 34. Is crumby soil structure best for cultivation?

(a). Yes.
(b). No.
(c). For a specific crop only.
(d). It is very hard type of soil.

Question 35. Pore space is highest in..?

(a). Loam soil.
(b). Sandy soil.
(c). Sandy loam.
(d). Clay soil.

See Answer

Question 36. If the land slope is <2%, then …. measures are taken?

(a). Agronomical.
(b). Mechanical.
(c). Both a and b.
(d). No measures are required.

See Answer

Question 37. The land capability class suitable for crop cultivation is..?

(a). II.
(b). III.
(c). IV.
(d). V.

See Answer

Question 38. Which is not true about soil?

(a). It is a medium of plant growth.
(b). It is a modifier of earth’s atmosphere.
(c). It is a habitat of organisms.
(d). All options are true.

See Answer

Question 39. The topsoil of most upland soil contains …. soil organic matter?

(a). 5 – 10%.
(b). 1- 6%.
(c). 18 – 20%.
(d). None of the above.

See Answer

Question 40. Which is a class of humic acid substances?

(a). Fulvic acid.
(b). Humic acid.
(c). Humin.
(d). All of the above.

See Answer

SECTION B: Soils Of India

Question 01. Alluvial soil deficient in..?

(a). N.
(b). P.
(c). K.
(d). All of the above.

See Answer

Question 02. Laterite soils are..?

(a). Alfisols.
(b). Entisols.
(c). Ultisols.
(d). Vertisols.

See Answer

Question 03. Laterite soil occupy …. Mha of the total geographic area of India?

(a). 15.
(b). 25.
(c). 35.
(d). 10.

See Answer

Question 04. Black soil is ideal for..?

(a). Sunhemp.
(b). Jute.
(c). Cotton.
(d). All of the above.

See Answer

Question 05. Which is rightly matched?

(a). Black soil – S-W India.
(b). Alluvial soil – South India.
(c). Laterite soil – North India.
(d). Desert soil  – Found in eastern ghat.

See Answer

Last Updated: 22-04-2021

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Tarun Kumar
Tarun Kumar
2 months ago

These are good questions. Thanks.