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Q26. In which soil there is no need for irrigation for agriculture?
- Ared soil
- Bblack soil
- CAlluvial soil
- DLaterite soil
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Answer: B) black soil
Q27. Which of the following types of soil is also known as 'Regur soil'?
- ALaterite soil
- BAlluvial soil
- Cblack soil
- Dred soil
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Answer: C) black soil
Q28. Which of the following soils can be said to be ploughed automatically?
- Ared soil
- Bblack soil
- CLaterite soil
- DAlluvial soil
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Answer: B) black soil
Q29. The largest extent of red soil is found in India in-
- AIn Madhya Pradesh and Chhattisgarh
- BIn Odisha and West Bengal
- CIn A.P. and Tamil Nadu
- DIn Rajasthan and Gujarat
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Answer: C) In A.P. and Tamil Nadu
Q30. Which one of the following is the regional soil type in peninsular India?
- Aalluvial soil
- BRed and Yellow Soil
- Cforest soil
- Dsaline soil
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Answer: B) Red and Yellow Soil
Q31. Which soil is found in two-thirds of the area of Tamil Nadu?
- Ared soil
- Bblack soil
- CLaterite soil
- DAlluvial soil
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Answer: A) red soil
Q32. Which statement is false regarding red soil?
- AIt is red in colour due to the presence of iron oxide.
- BIt is found in dry and humid areas.
- CIt is mostly found in Tamil Nadu and Andhra Pradesh.
- DThis soil is found in river valleys.
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Answer: D) This soil is found in river valleys.
Q33. Laterite soil is found mainly in-
- Ain the Malabar Coast
- Bin the Coromandel Coast
- Cin Bundelkhand
- Din Baghelkhand
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Answer: A) in the Malabar Coast
Q34. In which soil are iron and aluminium nodules found?
- ABlack
- Balluvial
- CRed
- DLaterite
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Answer: D) Laterite
Q35. The main laterite soil is-
- Ain the Malabar Coast
- Bin the Coromandel Coast
- Cin Bundelkhand
- Din Baghelkhand
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Answer: A) in the Malabar Coast
Q36. Which of the following soil groups in India is becoming infertile due to excess iron?
- Adesert sand
- Balluvium
- CPodzolic
- DLaterite
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Answer: D) Laterite
Q37. Which of the following clays becomes as hard as a brick when dried and as sticky as curd when wet?
- ALaterite
- BBlack
- CRed
- Dalluvial
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Answer: A) Laterite
Q38. Which of the following statements is false?
- ALaterite soil is generally found in areas with high rainfall.
- BIt is an alkaline soil
- CCoarse grains are mainly cultivated in this soil.
- DTea is also cultivated in this soil.
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Answer: B) It is an alkaline soil
Q39. Which of the following statements is false?
- ALaterite soil is rich in silica.
- BWhen dried, this clay becomes as hard as a brick.
- CThis soil is rich in iron and aluminium.
- DThe fertility of this soil is low.
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Answer: A) Laterite soil is rich in silica.
Q40. According to the Indian Council of Agricultural Research, approximately how much percent of India's land is affected by the problem of soil erosion?
- A0.3
- B0.4
- C0.5
- D0.6
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Answer: D) 0.6
Q41. Fertile alluvial soil is most suitable for producing ...............
- ARice
- BTea
- Ccotton
- DMaize
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Answer: A) Rice
Q42. In which of the following states is laterite soil found?
- AMaharashtra
- BRajasthan
- CKerala
- DUttar Pradesh
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Answer: C) Kerala
Q43. Soil erosion can be prevented by-
- Aby overgrazing
- Bby eradicating vegetation
- Cby planting forests
- DBy increasing the number of birds
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Answer: C) by planting forests
Q44. Regur soil is another name for-
- Ared soil
- Bblack soil
- Cbarren soil
- Dmixed red-yellow soil
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Answer: B) black soil
Q45. Regur soil is most commonly
- Ain Maharashtra
- BIn Tamil Nadu
- Cin Andhra Pradesh
- Din Jharkhand
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Answer: A) in Maharashtra
Q46. Which soil is formed by leaching and oxidation?
- Amountain soil
- Bblack soil
- CMakharla soil
- Dred soil
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Answer: C) Makharla soil
Q47. Which of the following types of erosion has caused the formation of the Chambal ravines?
- Asplash
- BOrder (sheet)
- Csmall stream (rill)
- Dgully
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Answer: D) gully
Q48. Treatments for soil erosion areas are: 1. Contour fencing 2. Regulation of land use 3. Cutting of trees 4. Allowing animals to graze
- A1 and 3
- B1 and 2
- C2 and 3
- D3 and 4
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Answer: B) 1 and 2
Q49. Which type of soil is rich in organic matter?
- Apeat
- BBlack
- CLaterite
- DRed
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Answer: B) Black
Q50. The type of soil found in the largest quantity in Maharashtra is-
- Aalluvial soil
- Bblack soil
- Cdesert soil
- Dred soil
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Answer: B) black soil