Question : The most suitable soil for the production of cotton is:
Option 1: Black soil
Option 2: Alluvial soil
Option 3: Loamy soil
Option 4: Well-drained soil
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Correct Answer: Black soil
Solution : The correct answer is Black soil.
Cotton production can be best grown in black soil. It is one of the most important commercial crops of India. Black soil is enriched with organic compounds, and it is formed by the volcanic rocks found in the Deccan Plateau. Black soil is mainly found in the regions of Gujarat, Maharashtra, Karnataka, Tamil Nadu, etc. It has a high quantity of iron, Magnesium, and Aluminium and is deficient in Nitrogen, Humus and Phosphate.
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Question : The northern plain in India is formed of which soil?
Option 1: Laterite soil
Option 2: Arid soil
Option 3: Alluvial soil
Option 4: Black soil
Question : Which of the following pairs regarding soil is correct? I. Forest soil – These soils are loamy and silty on valley sides II. Black soil – generally poor in phosphoric contents
Option 1: Both I and II
Option 2: Only I
Option 3: Only II
Option 4: Neither I nor II
Question : Identify the black soil region of India from the following.
Option 1: Coastal plains
Option 2: Northern plains
Option 3: Deccan trap
Option 4: Himalayas
Question : The most suitable unit for expressing nuclear radius is:
Option 1: Nanometre
Option 2: Fermi
Option 3: Angstrom
Option 4: Micron
Question : Which of the following is the most suitable application of rainwater harvesting?
Option 1: Used in cooking
Option 2: Irrigation
Option 3: Water for pets
Option 4: Use for industrial purposes
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