Soils

Soils

Total Questions: 17

11. The black cotton soil of India has been formed due to the weathering of: [I.A.S. (Pre)]

Correct Answer: (b) fissure volcanic rock
Solution:Regur soil or Black soil has been formed due to weathering of basaltic lava. These types of soil are typical of Deccan trap (Basalt) region spread over north-west Deccan plateau and is made up of lava flow. They are ideal for growing Cotton. They cover the plateau of Maharashtra, Saurashtra, Malwa, Madhya Pradesh, Chhattisgarh and extended to Godavari and Krishna valley.

12. Regur is the name of- [42nd B.P.S.C.(Pre) 1998, 44th B.P.S.C.(Pre) 2000]

Correct Answer: (c) Black soil
Solution:The black soil is also called 'Regur' (from the Telugu word Reguda), cotton soils and tropical Chernozem, etc. This soil is mainly found in Maharashtra, Madhya Pradesh, parts of Karnataka, Andhra Pradesh, Gujarat, and Tamil Nadu. Geographically, Black soil is spread over 5.46 lakh sq. km.

13. Regur soil is most widespread in- [44th B.P.S.C.(Pre) 2000]

Correct Answer: (a) Maharashtra
Solution:The black soil is also called 'Regur' (from the Telugu word Reguda), cotton soils and tropical Chernozem, etc. This soil is mainly found in Maharashtra, Madhya Pradesh, parts of Karnataka, Andhra Pradesh, Gujarat, and Tamil Nadu. Geographically, Black soil is spread over 5.46 lakh sq. km.

14. Black cotton soil is also known by which of the following? [U.P.R.O./A.R.O.(MAINS) 2016]

Correct Answer: (d) Regur
Solution:Black soil is also known as Regur soil. It is a mature soils and has high water retention capacity. Self-phoughing is a characteristic of the black soil as it develops wide cracks when dried.

15. Assertion (A): The Regur soils of the Deccan Trap Dare black in colour. [U.P.P.C.S.(Pre) 1999]

Reason (R) : They are rich in Humus.
Select the correct answer from the codes given below:
Code:

Correct Answer: (c) (A) is true, but (R) is false
Solution:The black soil of the Deccan Trap is also known as Regur or Reguda. The black soil is very suitable for cotton cultivation. It lacks in phosphorus, nitrogen and organic matter (humus). The black soil is rich in Alumina, Iron, Lime and Magnesium carbonates, potash. Hence, statement (A) is true but (R) is false.

16. Which of the following soils of India is most suitable for cotton cultivation? [U.P.P.C.S.(MAINS) 2014]

Correct Answer: (a) Regur soil
Solution:The black soil of the Deccan Trap is also known as Regur or Reguda. The black soil is very suitable for cotton cultivation. It lacks in phosphorus, nitrogen and organic matter (humus). The black soil is rich in Alumina, Iron, Lime and Magnesium carbonates, potash. Hence, statement (A) is true but (R) is false.

17. For which cultivation Karewas are famous? [67th B.P.S.C.(Pre) (Re-Exam) 2022]

Correct Answer: (b) Saffron
Solution:Karewas are thick deposits of glacier clay and other material embedded with moraines. The Kashmir Himalayas are famous for Karewa formations, which are useful for the cultivation of Zafran (a local variety of saffron).