Which of the following statements about alluvial soils of India is are correct 1 It h...........

Geography India - Soil and Vegetation

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Which of the following statements about alluvial soils of India is/are correct?

1. It has been deposited mainly by the peninsular river system.

2. It cannot be found in drier states such as Rajasthan and Gujarat.

3. Alluvial soil with fine particles is generally more fertile than with coarser particles.

4. It is always alkaline in nature.

Select the correct answer using the codes given below

2 and 4 only

1, 2 and 3 only

3 and 4 only

3 only

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Explanation:

1st, 2nd and 4th statements are incorrect.
Alluvium is typically made up of a variety of materials, including fine particles of silt and clay and larger particles of sand and gravel. When this loose alluvial material is deposited or cemented into a lithological unit, or lithified, it is called an alluvial deposit.
Alluvial Soils : These soils are very rich in chemicals like Potash, Phosphoric acid, lime and carbon compounds but are deficient in Nitrogen and humus. It is the soil deposited by the rivers every year. It is more fertile than the Bangar, Bangar – which are older alluvium.