Q1. Which of the following statements is not correct about alluvial soil in Rajasthan?
A This soil is found in the northern and eastern districts of Rajasthan.
B It is light brownish red in colour and has a sandy and loamy texture.
C It is a fertile soil.
D This soil contains enough quantity of nitrogen. Correct
Explanation
Alluvial soil in Rajasthan is generally associated with the northern and eastern parts of the state, so that location statement is not the incorrect one. Its sandy to loamy texture and light brownish-red appearance are also accepted characteristics in the exam context. It is counted among the more fertile soils because it can support cultivation well. However, like many cultivated alluvial soils, it is not considered rich in nitrogen; nitrogen usually needs replenishment through manure or fertilisers. Therefore the statement claiming enough nitrogen is the incorrect statement.