Assertion (A): The Northern Plains comprises riverine soil.

Reason (R): Riverine soil is a mixture of sand, clay and silt.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R does not explain A.
3. A is true but R is false.
4. A is false but R is true.

Red soil gets its name from ……………. .

1. its colour
2. its ferric oxide content
3. Both (1) and (2)
4. None of the above.

Laterite soil is mainly found in the highland areas of …………… .

1. the Himalayas
2. the Peninsular Plateau
3. the Aravalli Range
4. the Karakoram Range

Why is Black soil highly moisture retentive?

1. It has fifty per cent of clay content
2. It is formed of weathered lava rocks
3. It has high quantities of lime
4. All of the above.